/**
 * DeSent - Main Stylesheet
 * Clean, minimal design without emojis
 */

/* ========================================
   THEME SYSTEM
   ======================================== */

/* Cyberpunk Theme - Neon colors on dark */
[data-theme="cyberpunk"] {
    --color-primary: #0d0d14;
    --color-primary-light: #1a1a2e;
    --color-accent: #ff00ff;
    --color-accent-hover: #d900d9;
    --color-success: #00ff41;
    --color-warning: #ff00ff;
    --color-error: #00ffff;
    --color-text: #ffffff;
    --color-text-muted: #b026ff;
    --color-border: #9d00ff;
    --color-bg: #000000;
    --color-bg-card: #0d0d14;
    --color-bg-hover: #1a1a2e;
    --color-bg-input: #1a1a2e;
}

/* Optional: Cyberpunk glow effects */
[data-theme="cyberpunk"] .btn-primary {
    box-shadow: 0 0 10px rgba(255, 0, 255, 0.3);
}

[data-theme="cyberpunk"] .btn-primary:hover {
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.5);
}

/* Hacker Blue Theme - Terminal style */
[data-theme="hacker"] {
    --color-primary: #000d1a;
    --color-primary-light: #001a33;
    --color-accent: #00ff41;
    --color-accent-hover: #00cc33;
    --color-success: #00ff41;
    --color-warning: #ffcc00;
    --color-error: #ff3333;
    --color-text: #00ff41;
    --color-text-muted: #008f11;
    --color-border: #004411;
    --color-bg: #000d1a;
    --color-bg-card: #001a33;
    --color-bg-hover: #002244;
    --color-bg-input: #001a33;
}

/* Optional: Hacker monospace font emphasis */
[data-theme="hacker"] body,
[data-theme="hacker"] input,
[data-theme="hacker"] textarea {
    font-family: 'Courier New', Courier, monospace;
}

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #0D0D1A;
    --color-primary-light: #1A1A2E;
    --color-accent: #FFB300;
    --color-accent-hover: #E5A000;
    --color-success: #00C8B4;
    --color-warning: #FFB300;
    --color-error: #FF3B30;
    --color-text: #F0F0E8;
    --color-text-muted: #888899;
    --color-border: #2A2A3E;
    --color-bg: #0D0D1A;
    --color-bg-card: #1A1A2E;
    --color-bg-hover: #2A2A3E;
    --color-bg-input: #1A1A2E;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition: 0.2s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    height: 100vh;
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
}

.btn-secondary {
    background-color: var(--color-primary-light);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--color-primary);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
    font-size: 20px;
}

/* Inputs */
input[type="text"],
input[type="password"],
input[type="url"],
textarea {
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--color-text);
    font-size: 14px;
    width: 100%;
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

textarea {
    resize: vertical;
    min-height: 80px;
    font-family: monospace;
}

/* Profile Edit Form */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--color-bg-input);
    color: var(--color-text);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.2);
}

.help-text {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* Profile Preview */
.profile-preview {
    margin: 24px 0;
    padding: 16px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.profile-preview h3 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.preview-card {
    display: flex;
    align-items: center;
    gap: 12px;
}

.preview-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}

.preview-initial {
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.preview-info {
    flex: 1;
    min-width: 0;
}

.preview-name {
    font-weight: 600;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-nip05 {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    justify-content: flex-end;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: flex-start;      /* Changed from center - allows natural scroll */
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-md);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.login-container {
    width: 100%;
    max-width: 480px;
}

.login-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.logo {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.logo h1 {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.logo p {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Accordion */
.login-option {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    /* overflow: hidden; REMOVED - allow expanded content to be visible */
}

.login-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    user-select: none;
    background-color: var(--color-bg-card);
}

.login-header:hover {
    background-color: var(--color-primary-light);
}

.login-header h3 {
    font-size: 16px;
    font-weight: 500;
}

.login-header .icon {
    font-size: 20px;
    transition: var(--transition);
}

.login-option.expanded .icon {
    transform: rotate(45deg);
}

.login-content {
    display: none;
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-primary);
}

.login-option.expanded .login-content {
    display: block;
}

.login-content p {
    margin-bottom: var(--spacing-md);
    font-size: 14px;
    color: var(--color-text-muted);
}

.warning {
    background-color: rgba(255, 51, 0, 0.1);
    border-left: 3px solid var(--color-error);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 13px;
}

.warning strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-error);
}

/* NSEC Input Group */
.nsec-input-group {
    margin-bottom: var(--spacing-md);
}

.nsec-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.nsec-input-wrapper input {
    flex: 1;
    padding-right: 50px; /* Space for toggle button */
    font-family: monospace;
    font-size: 14px;
}

.toggle-visibility {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    font-size: 14px;
    opacity: 0.6;
    transition: var(--transition);
    color: var(--color-text-muted);
}

.toggle-visibility:hover {
    opacity: 1;
    color: var(--color-text);
}

.toggle-:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.eye-icon {
    display: block;
    font-weight: bold;
    letter-spacing: 2px;
}

/* Encryption Options */
.encryption-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.encryption-options label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.encryption-options label:hover {
    background-color: var(--color-bg-hover);
}

.encryption-options input[type="radio"] {
    margin: 0;
}

#encryption-fields {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

#encryption-fields input {
    margin-bottom: 0;
}

/* Key Display */
.key-display {
    margin-bottom: var(--spacing-md);
}

.key-display label {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.key-box {
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-family: monospace;
    font-size: 12px;
    word-break: break-all;
    color: var(--color-text);
}

.key-display button {
    margin-bottom: var(--spacing-md);
}

/* Local Accounts List */
.local-account-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-input);
}

.local-account-item:hover {
    background-color: var(--color-bg-hover);
}

.account-info {
    flex: 1;
}

.account-info small {
    display: block;
    color: var(--color-text-muted);
    font-size: 11px;
}

#account-results h4 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

#account-results .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

/* Status Messages */
.status-message {
    margin-top: var(--spacing-md);
    font-size: 13px;
}

.status-message .success {
    color: var(--color-success);
}

.status-message .error {
    color: var(--color-error);
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

/* App Logo */
.app-logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.5px;
}

/* Header Actions (PWA button + Menu) */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Service Worker Update Banner */
.sw-update-banner {
    background-color: var(--color-warning);
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-md);
    display: none;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.sw-update-banner.visible {
    display: flex;
}

.sw-update-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 1200px;
    width: 100%;
}

.sw-update-message {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
}

.sw-update-btn {
    padding: 6px 12px;
    font-size: 13px;
}

.sw-update-dismiss {
    padding: 6px 12px;
    font-size: 13px;
}

@media (max-width: 600px) {
    .sw-update-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .sw-update-message {
        font-size: 13px;
    }
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.npub {
    font-family: monospace;
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Status Indicator */
.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.status-indicator.online {
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.status-indicator.offline {
    background-color: var(--color-text-muted);
}

/* Menu Dropdown */
.menu-dropdown {
    position: relative;
}

.menu-toggle {
    padding: 8px 12px;
    font-size: 18px;
}

.menu-icon {
    display: block;
    line-height: 1;
}

.menu-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-width: 150px;
    z-index: 1000;
}

.menu-content.show {
    display: block;
}

.menu-item {
    display: block;
    width: 100%;
    padding: 12px 16px;
    text-align: left;
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition);
    color: var(--color-text);
    font-size: 14px;
}

.menu-item:last-child {
    border-bottom: none;
}

.menu-item:hover {
    background-color: var(--color-bg-hover);
}

/* Theme dropdown selector */
.menu-theme-selector {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}

.menu-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.theme-dropdown {
    width: 100%;
    padding: 8px 12px;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.theme-dropdown:hover {
    border-color: var(--color-accent);
}

.theme-dropdown:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.1);
}

/* Custom dropdown arrow color per theme */
[data-theme="cyberpunk"] .theme-dropdown {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b026ff' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
}

[data-theme="hacker"] .theme-dropdown {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300ff41' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
}

.menu-divider {
    height: 1px;
    background-color: var(--color-border);
    margin: 4px 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: var(--spacing-md);
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 500;
    margin: 0;
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    max-height: calc(80vh - 120px);
}

.setting-group {
    margin-bottom: var(--spacing-xl);
}

.setting-group:last-child {
    margin-bottom: 0;
}

.setting-group h3 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.setting-description {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.setting-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.radio-option:hover {
    background-color: var(--color-bg-hover);
}

.radio-option input[type="radio"] {
    margin: 0;
}

.setting-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* NIP-05 Settings */
.nip05-status-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-bg-input);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.nip05-label {
    font-size: 13px;
    color: var(--color-text-muted);
}

.nip05-badge {
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
}

.nip05-badge.verified {
    background-color: rgba(46, 204, 113, 0.2);
    color: var(--color-success);
}

.nip05-badge.unverified {
    background-color: rgba(241, 196, 15, 0.2);
    color: var(--color-warning);
}

.nip05-registration {
    margin-top: var(--spacing-md);
}

.nip05-input-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.nip05-input-group input {
    flex: 1;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-input);
    color: var(--color-text);
}

.nip05-domain {
    font-size: 13px;
    color: var(--color-text-muted);
}

.nip05-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.setting-hint {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
}

/* Message Relay List */
.message-relay-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background-color: var(--color-bg-input);
    border-radius: var(--radius-sm);
}

.message-relay-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    overflow: hidden;
}

.message-relay-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-text-muted);
    flex-shrink: 0;
}

.message-relay-status.connected {
    background-color: var(--color-success);
    box-shadow: 0 0 6px var(--color-success);
}

.message-relay-url {
    font-family: monospace;
    font-size: 13px;
    word-break: break-all;
    color: var(--color-text);
}

.message-relay-primary {
    font-size: 11px;
    color: var(--color-accent);
    font-weight: 500;
    flex-shrink: 0;
    margin-left: var(--spacing-xs);
}

.message-relay-actions {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-shrink: 0;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-text-muted);
    transition: var(--transition);
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-accent);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 1px var(--color-accent);
}

/* Contact Modal */
.contact-input-group {
    margin-bottom: var(--spacing-md);
}

.contact-input-group input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-input);
    color: var(--color-text);
    font-size: 14px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.contact-method:hover {
    background-color: var(--color-bg-hover);
}

.contact-method input[type="radio"] {
    margin: 0;
}

/* App Content */
.app-content {
    display: flex;
    flex: 1;
    overflow: hidden;         /* Needed for proper chat scrolling */
    min-height: 0;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--color-bg-card);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 500;
}

/* Profile Section */
.profile-section {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.profile-header {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

/* Avatar */
.profile-avatar {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    position: relative;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
}

.profile-avatar-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-border);
}

.avatar-initial {
    font-size: 20px;
    font-weight: 600;
    color: white;
}

/* Profile Info */
.profile-info {
    flex: 1;
    min-width: 0;
}

/* Profile Name Button - hidden until hover */
.profile-name-btn {
    /* Reset default button styles */
    background: transparent;
    border: none;
    padding: 0;
    margin: 0 0 4px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    width: 100%;

    /* Inherit text styling */
    font-family: inherit;

    /* Text overflow handling */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;

    /* Remove default button focus outline (add custom on focus) */
    outline: none;

    /* Smooth transition for hover effect */
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Hover state - reveal accent color */
.profile-name-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
    border-radius: 4px;
    padding: 2px 6px;
    margin: -2px -6px 0 -6px; /* Offset padding to maintain layout */
}

/* Focus state for accessibility */
.profile-name-btn:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Active state */
.profile-name-btn:active {
    background-color: var(--color-accent-hover);
    color: var(--color-bg);
}

/* Profile name span inside button */
.profile-name-btn #profile-name {
    display: inline;
}

.profile-nip05 {
    font-size: 12px;
    color: var(--color-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: var(--transition);
}

/* Verified NIP-05 with glow effect */
.profile-nip05 .verified.glow {
    color: var(--color-success);
    font-weight: 500;
    text-shadow: 0 0 8px var(--color-success),
                 0 0 12px var(--color-success);
    animation: pulse-glow 2s ease-in-out infinite;
}

.profile-nip05 .unverified {
    color: var(--color-warning);
    font-weight: 400;
}

#nip05-display .verified {
    color: var(--color-success);
    font-weight: 500;
}

#nip05-display .unverified {
    color: var(--color-warning);
    font-weight: 500;
}

/* Status in Profile - Now clickable text box style */
.profile-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition);
    min-height: 40px;
}

.profile-status:hover {
    background-color: var(--color-bg-hover);
    border-color: var(--color-accent);
}

.profile-status:active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.profile-status.empty {
    color: var(--color-text-muted);
    font-style: italic;
}

.profile-status .placeholder {
    color: var(--color-text-muted);
}

.profile-status-emoji {
    font-size: 16px;
    flex-shrink: 0;
}

.profile-status-text {
    flex: 1;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Add pencil icon to indicate editable */
.profile-status::after {
    content: '✎';
    font-size: 12px;
    color: var(--color-text-muted);
    margin-left: var(--spacing-xs);
    opacity: 0.5;
    transition: var(--transition);
}

.profile-status:hover::after {
    opacity: 1;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Status Section - Collapsible */
.status-section {
    border-bottom: 1px solid var(--color-border);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

.section-header:hover {
    background-color: var(--color-bg-hover);
}

.section-header h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    margin: 0;
}

.section-header .chevron {
    transition: transform 0.2s ease;
    display: inline-block;
}

.section-header.collapsed .chevron {
    transform: rotate(-90deg);
}

.section-content {
    overflow: hidden;
    transition: max-height 0.3s ease;
    max-height: 500px;
}

.section-content.collapsed {
    max-height: 0;
}

/* Current Status Display */
.current-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-card);
    border-radius: var(--radius-sm);
    margin: 0 var(--spacing-md) var(--spacing-md);
}

.current-status .status-emoji {
    font-size: 18px;
}

.current-status .status-text {
    flex: 1;
    font-size: 14px;
    color: var(--color-text-muted);
}

/* Status Form */
.status-form {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.status-type-selector select {
    width: 100%;
    padding: 10px;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 14px;
}

.status-input-wrapper input {
    width: 100%;
    padding: 10px;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 14px;
}

.status-input-wrapper input:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

/* Emoji Picker - Improved Accessibility */
.status-emoji-picker {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.emoji-btn {
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-height: 60px;
}

.emoji-btn:hover {
    background-color: var(--color-primary);
}

.emoji-btn:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.emoji-btn.selected {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.emoji-btn .emoji {
    font-size: 20px;
}

.emoji-btn .emoji-label {
    font-size: 10px;
    color: var(--color-text-muted);
}

.emoji-btn.selected .emoji-label {
    color: white;
}

.status-emoji-custom {
    margin-top: var(--spacing-sm);
}

.status-emoji-custom input {
    width: 100%;
    padding: 8px 12px;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 14px;
    text-align: center;
}

.status-emoji-custom input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.status-actions {
    margin-top: var(--spacing-xs);
}

.btn-block {
    width: 100%;
}

/* PWA Install Button */
#pwa-install-btn {
    display: none; /* Hidden by default */
}

/* Unread Message Badge */
.unread-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background-color: var(--color-accent);
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
    margin-left: auto;
}

.hint-text {
    font-size: 12px;
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
}

/* Visually Hidden (for screen readers) */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.contact-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
    max-height: 30vh;
}

@media (max-width: 768px) {
    .contact-list {
        max-height: none;
    }
}

/* Contact Item */
.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.contact-item:hover {
    background-color: var(--color-primary);
}

.contact-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-status.online {
    background-color: var(--color-success);
}

.contact-status.offline {
    background-color: var(--color-text-muted);
}

.contact-name {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Contact Tooltip Styles */
.contact-tooltip {
    position: fixed;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 12px 16px;
    max-width: 350px;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: auto;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.contact-tooltip.visible {
    opacity: 1;
}

.contact-tooltip-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.contact-tooltip-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--color-text);
}

.contact-tooltip-status {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.contact-tooltip-status.online {
    background: var(--color-success);
    color: white;
}

.contact-tooltip-status.offline {
    background: var(--color-text-muted);
    color: white;
}

.contact-tooltip-row {
    display: flex;
    margin-bottom: 8px;
    font-size: 13px;
}

.contact-tooltip-row:last-child {
    margin-bottom: 0;
}

.contact-tooltip-label {
    color: var(--color-text-muted);
    min-width: 80px;
    flex-shrink: 0;
}

.contact-tooltip-value {
    color: var(--color-text);
    word-break: break-all;
}

.contact-tooltip-value.pubkey {
    font-family: monospace;
    font-size: 12px;
}

.contact-tooltip-value.nip05 {
    color: var(--color-accent);
}

/* Contact Tooltip Status */
.contact-tooltip-status-row {
    padding: var(--spacing-sm) 0;
    background-color: var(--color-bg-input);
    border-radius: var(--radius-sm);
    margin: var(--spacing-sm) 0;
}

.contact-nip38-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.contact-nip38-status .status-emoji {
    font-size: 16px;
    flex-shrink: 0;
}

.contact-nip38-status .status-content {
    font-size: 13px;
    color: var(--color-text);
}

.contact-tooltip-actions {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
    text-align: right;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-danger {
    background: var(--color-error, #dc3545);
    color: white;
    border: none;
}

.btn-danger:hover {
    background: var(--color-error-dark, #c82333);
}

/* Chat Area */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg);
    min-height: 0;            /* Allows flex child to shrink properly */
    overflow: hidden;         /* Constrains .chat-messages scrolling */
}

.chat-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;       /* Centers content properly */
    text-align: center;
    padding: var(--spacing-xl);
    overflow-y: auto;              /* Allow scrolling when content overflows */
    -webkit-overflow-scrolling: touch;
}

.chat-placeholder h2 {
    margin-bottom: var(--spacing-md);
}

.chat-placeholder p {
    color: var(--color-text-muted);
}

/* Chat Header */
.chat-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.chat-header h3 {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
}

/* WebRTC Status Indicator */
.webrtc-status-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* WebRTC Shield Icon */
.webrtc-status {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.webrtc-status svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.webrtc-status.connected {
    color: var(--color-success);
}

.webrtc-status.connecting {
    color: var(--color-warning);
    animation: pulse 1.5s ease-in-out infinite;
}

.webrtc-status.failed {
    color: var(--color-error);
}

.webrtc-status.disconnected {
    color: var(--color-text-muted);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes pulse-glow {
    0%, 100% {
        text-shadow: 0 0 8px var(--color-success),
                     0 0 12px var(--color-success);
    }
    50% {
        text-shadow: 0 0 12px var(--color-success),
                     0 0 18px var(--color-success),
                     0 0 24px var(--color-success);
    }
}

.webrtc-label {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.webrtc-retry-btn {
    font-size: 16px;
    margin-left: var(--spacing-xs);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    background: none;
    border: none;
    color: var(--color-text-muted);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.webrtc-retry-btn:hover {
    opacity: 1;
}

/* Chat Contact Status */
.chat-contact-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background-color: var(--color-bg-input);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--color-text-muted);
    max-width: 200px;
}

.chat-contact-status .status-emoji {
    font-size: 14px;
    flex-shrink: 0;
}

.chat-contact-status .status-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Chat Mode Toggle - Direct/Queue */
.chat-mode-toggle {
    display: flex;
    align-items: center;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 2px;
    gap: 2px;
}

.mode-btn {
    background: transparent;
    border: none;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: calc(var(--radius-sm) - 2px);
    transition: var(--transition);
    text-transform: lowercase;
}

.mode-btn:hover {
    color: var(--color-text);
}

.mode-btn.active {
    background-color: var(--color-accent);
    color: white;
}

.webrtc-debug-toggle {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.webrtc-debug-toggle:hover {
    color: var(--color-text);
    background-color: var(--color-bg-hover);
}

.webrtc-options-toggle {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.webrtc-options-toggle:hover {
    color: var(--color-text);
    background-color: var(--color-bg-hover);
}

.chat-close-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 18px;
    padding: 4px;
    margin-left: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.chat-close-btn:hover {
    color: var(--color-error);
    background-color: var(--color-bg-hover);
}

/* Mobile back button to return to contacts */
.chat-back-btn {
    display: none;        /* Hidden on desktop by default */
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 18px;
    padding: 4px;
    margin-right: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.chat-back-btn:hover {
    color: var(--color-text);
    background-color: var(--color-bg-hover);
}

/* WebRTC Debug Panel */
.webrtc-debug-panel {
    padding: var(--spacing-md);
    background-color: var(--color-bg-input);
    border-radius: var(--radius-sm);
    margin: var(--spacing-md) var(--spacing-lg);
    font-family: monospace;
    font-size: 12px;
}

.webrtc-debug-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid var(--color-border);
}

.webrtc-debug-row:last-child {
    border-bottom: none;
}

.webrtc-debug-label {
    color: var(--color-text-muted);
}

.webrtc-debug-value {
    color: var(--color-text);
    font-weight: 500;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.message {
    margin-bottom: var(--spacing-md);
    max-width: 70%;
}

.message.sent {
    margin-left: auto;
}

.message-content {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-card);
    word-wrap: break-word;
}

.message.sent .message-content {
    background-color: var(--color-accent);
}

.message-meta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    font-size: 11px;
    color: var(--color-text-muted);
}

.message-status {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 4px;
    font-size: 12px;
    font-weight: bold;
}

/* Status icons using Unicode checkmarks */
.message-status.status-sending::before {
    content: '⏳';
    opacity: 0.5;
}

.message-status.status-sent::before {
    content: '✓';
    color: var(--color-text-muted);
}

.message-status.status-delivered::before {
    content: 'NIP';
    color: var(--color-accent);
    font-weight: 600;
    font-size: 11px;
}

.message-status.status-read::before {
    content: '✓✓';
    color: var(--color-success);
    background-color: var(--color-success);
    border-radius: 2px;
    padding: 0 2px;
}

/* Failed state */
.message-status.status-failed::before {
    content: '!';
    color: var(--color-error);
    font-weight: bold;
}

/* Queued state */
.message-status.status-queued::before {
    content: '⏳';
    color: var(--color-warning);
}

/* NIP-17 delivered status */
.message-status.status-delivered-nip17::before {
    content: 'NIP-17';
    color: var(--color-accent);
    font-weight: 600;
    font-size: 11px;
}

/* NIP-04 delivered status */
.message-status.status-delivered-nip04::before {
    content: 'NIP-04';
    color: var(--color-accent);
    font-weight: 600;
    font-size: 11px;
}

/* Format indicator for received messages */
.message-format {
    font-size: 10px;
    color: var(--color-accent);
    margin-left: var(--spacing-xs);
    text-transform: uppercase;
    font-weight: 500;
}

/* Chat Input */
.chat-input {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    position: relative;
}

.chat-input input {
    flex: 1;
}

/* Typing Indicator */
.typing-indicator {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    color: var(--color-text-muted);
    font-size: 13px;
    font-style: italic;
}

.typing-dots {
    display: inline-flex;
    gap: 4px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background-color: var(--color-text-muted);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out both;
}

.typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingBounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Chat Input Actions */
.chat-input-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.emoji-btn,
.attachment-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-input);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.emoji-btn:hover,
.attachment-btn:hover {
    background-color: var(--color-bg-hover);
}

/* Attachment Menu */
.attachment-menu {
    position: absolute;
    bottom: 100%;
    left: var(--spacing-md);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    min-width: 200px;
    z-index: 100;
}

.attachment-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.2s;
    color: var(--color-text);
}

.attachment-option:hover {
    background-color: var(--color-bg-hover);
}

.attachment-option svg {
    flex-shrink: 0;
}

.attachment-option span {
    font-size: 14px;
}

/* Contact Picker Modal */
.contact-picker-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.contact-picker-content {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 400px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.contact-picker-content h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-size: 18px;
    font-weight: 500;
}

.contact-picker-list {
    margin: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
}

.contact-picker-item {
    padding: var(--spacing-md);
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    transition: background-color 0.2s;
    color: var(--color-text);
}

.contact-picker-item:hover {
    background-color: var(--color-bg-hover);
}

/* File Messages */
.message.file-message,
.message.contact-message {
    max-width: 400px;
}

.file-attachment {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-input);
    border-radius: var(--radius-md);
}

.file-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 24px;
    flex-shrink: 0;
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    word-break: break-all;
}

.file-size {
    font-size: 12px;
    color: var(--color-text-muted);
}

.file-download-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    text-decoration: none;
    transition: background-color 0.2s;
}

.file-download-btn:hover {
    background-color: var(--color-accent-hover);
}

/* Contact Card */
.contact-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-input);
    border-radius: var(--radius-md);
}

.contact-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.avatar-initial {
    font-size: 20px;
    font-weight: 600;
}

.contact-info {
    flex: 1;
    min-width: 0;
}

.contact-name {
    font-weight: 500;
    word-break: break-all;
}

.contact-npub {
    font-size: 12px;
    color: var(--color-text-muted);
    word-break: break-all;
    font-family: monospace;
}

/* Upload Progress */
.upload-progress {
    padding: var(--spacing-md);
    background-color: var(--color-accent);
    color: white;
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 14px;
    margin: var(--spacing-sm) 0;
}


/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-muted);
}

.empty-state p {
    margin-bottom: var(--spacing-md);
}

/* Responsive */
@media (max-width: 768px) {
    /* Show back button on mobile */
    .chat-back-btn {
        display: block;
    }

    /* Hide sidebar when chat is active */
    .app-content.chat-active .sidebar {
        display: none;
    }

    .app-content.chat-active .chat-area {
        width: 100%;
        display: flex;
    }

    /* When no chat active, show both sidebar (top) and chat area (bottom) */
    .app-content:not(.chat-active) .sidebar {
        width: 100%;
        display: flex;
        max-height: 50vh;
        flex-shrink: 0;
    }

    .app-content:not(.chat-active) .chat-area {
        display: flex;
        flex: 1;
    }

    .sidebar {
        width: 100%;
        max-height: 50vh;
        overflow-y: auto;
        flex-shrink: 0;
    }

    /* Reset max-height when chat is active */
    .app-content.chat-active .sidebar {
        max-height: none;
    }

    .chat-area {
        flex: 1;
        min-height: 0;                /* Works with flex */
        overflow: hidden;             /* Constrains children */
    }

    .chat-messages {
        flex: 1;
        overflow-y: auto;             /* This element scrolls, not parent */
        -webkit-overflow-scrolling: touch;
    }

    /* Chat placeholder on mobile */
    .chat-placeholder {
        justify-content: center;  /* Center welcome message */
        padding: var(--spacing-md);
    }

    .chat-messages {
        padding: var(--spacing-md);
    }

    .chat-header {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
    }

    .chat-input {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-wrap: wrap;
    }

    .chat-input input {
        flex: 1;
        min-width: 0;
    }

    .message {
        max-width: 85%;
    }

    .login-card {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }

    .modal-content {
        width: 95%;
        max-height: 90vh;
        margin: var(--spacing-md);
    }

    /* Ensure buttons are touch-friendly */
    .btn {
        min-height: 44px;
        padding: 12px 20px;
    }

    .btn-icon {
        width: 44px;
        height: 44px;
    }

    /* Fix attachment menu positioning */
    .attachment-menu {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        min-width: auto;
    }

    /* Fix emoji picker for mobile */
    .status-emoji-picker {
        grid-template-columns: repeat(3, 1fr);
    }

    /* LOGIN PAGE fixes */
    .login-page {
        align-items: flex-start;
        padding: var(--spacing-sm);
    }

    .login-container {
        max-width: 100%;
    }

    .login-card {
        padding: var(--spacing-md);
        margin: 0;
    }

    /* APP PAGE fixes */
    .chat-placeholder {
        padding: var(--spacing-md);
        min-height: 50vh;           /* Ensure space for content */
    }
}

/* Add safe area support for notched devices */
@supports (padding: env(safe-area-inset-top)) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .chat-header {
        padding-top: calc(var(--spacing-md) + env(safe-area-inset-top));
    }

    .chat-input {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }
}

/* ========================================
   CHANNEL STYLES (NIP-28)
   ======================================== */

/* View Tabs */
.view-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

.view-tab {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.view-tab:hover {
    color: var(--color-text);
    background-color: var(--color-bg-hover);
}

.view-tab.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* Channel List */
.channel-list {
    overflow-y: auto;
    flex: 1;
}

/* Channels Header */
.channels-header {
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
}

.channel-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background-color 0.2s;
}

.channel-item:hover {
    background-color: var(--color-hover);
}

.channel-avatar {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    margin-right: 12px;
    object-fit: cover;
    flex-shrink: 0;
    background-color: var(--color-primary);
}

.channel-info {
    flex: 1;
    min-width: 0;
}

.channel-info h3 {
    margin: 0 0 4px 0;
    font-size: 16px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.channel-desc {
    margin: 0 0 4px 0;
    font-size: 13px;
    color: var(--color-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.channel-meta {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* Channel Messages */
.channel-message {
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 8px;
    max-width: 80%;
    word-wrap: break-word;
}

.channel-message.sent {
    margin-left: auto;
    background-color: var(--color-accent);
}

.channel-message.received {
    background-color: var(--color-bg-card);
}

.channel-message .message-pubkey {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.channel-message .message-content {
    line-height: 1.5;
}

.channel-message .message-time {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 4px;
    text-align: right;
}

/* Channel Header */
.channel-header-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 12px;
    object-fit: cover;
}

.channel-header-info h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

.channel-header-info span {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Modal adjustments */
#create-channel-modal form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#channel-picture {
    padding: 8px;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
}

#channel-picture:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Notification Animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Public Key QR Modal */
.pubkey-qr-controls {
    margin-bottom: var(--spacing-lg);
}

.pubkey-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

.pubkey-dropdown {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 15px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}

.pubkey-qr-display {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.pubkey-qr-code {
    padding: 10px;
    background-color: white;
    border-radius: var(--radius-sm);
}

.pubkey-qr-code canvas,
.pubkey-qr-code img {
    display: block;
    margin: 0 auto;
}

.pubkey-text-container {
    margin-top: var(--spacing-md);
}

.pubkey-text-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

.pubkey-text-wrapper {
    display: flex;
    gap: var(--spacing-sm);
}

.pubkey-text-input {
    flex: 1;
    padding: 10px 12px;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 12px;
    font-family: monospace;
    width: 100%;
}

.pubkey-copy-btn {
    padding: 10px 14px;
    background-color: var(--color-accent);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.pubkey-copy-btn:hover {
    opacity: 0.8;
}

/* QR Scanner Modal */
.qr-scanner-content {
    max-width: 500px;
}

.qr-reader-container {
    width: 100%;
    min-height: 300px;
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    position: relative;
}

#qr-reader {
    width: 100%;
    height: 100%;
}

#qr-reader video {
    width: 100% !important;
    height: auto !important;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.qr-scanner-status {
    padding: var(--spacing-sm);
    background-color: var(--color-bg-input);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 13px;
    text-align: center;
    color: var(--color-text-muted);
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-scanner-status.scanning {
    color: var(--color-accent);
    font-weight: 500;
}

.qr-scanner-status.success {
    color: var(--color-success);
    font-weight: 500;
}

.qr-scanner-status.error {
    color: var(--color-error);
    font-weight: 500;
}

.qr-upload-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.qr-upload-section input[type="file"] {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 13px;
}

.ios-pwa-notice {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: rgba(255, 153, 0, 0.1);
    border-left: 3px solid var(--color-warning);
    border-radius: var(--radius-sm);
}

.ios-pwa-notice .setting-description {
    font-size: 12px;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ========================================
   ONBOARDING PAGE STYLES
   ======================================== */

.onboarding-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
    padding: var(--spacing-md);
}

.onboarding-container {
    max-width: 400px;
    width: 100%;
    text-align: center;
    padding: 2rem;
}

.onboarding-logo {
    margin-bottom: 2rem;
}

.onboarding-logo h1 {
    font-size: 36px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.onboarding-logo p {
    color: var(--color-text-muted);
    font-size: 14px;
}

.onboarding .profile-preview {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
}

.onboarding .profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-bottom: 1rem;
    object-fit: cover;
    border: 2px solid var(--color-border);
}

.onboarding #onboard-display-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.onboarding-pubkey {
    font-family: monospace;
    font-size: 13px;
    color: var(--color-text-muted);
    word-break: break-all;
}

.sync-choice {
    margin-top: 2rem;
}

.sync-choice h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.sync-choice .description {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
}

.choice-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.choice-buttons button {
    min-width: 140px;
    flex: 1;
    min-width: 0;
}

@media (max-width: 480px) {
    .onboarding-container {
        padding: 1rem;
    }

    .choice-buttons {
        flex-direction: column;
    }

    .choice-buttons button {
        width: 100%;
    }

    .onboarding .profile-avatar {
        width: 80px;
        height: 80px;
    }
}