@font-face {
    font-family: 'Vazirmatn';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url('/fonts/vazirmatn-arabic.woff2') format('woff2');
    unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}

@font-face {
    font-family: 'Vazirmatn';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url('/fonts/vazirmatn-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    --bg: #f7f7f4;
    --surface: #ffffff;
    --surface-muted: #f0efeb;
    --ink: #0f1012;
    --muted: #5f6368;
    --border: #e3e1dc;
    --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.06);
    --radius: 14px;
    --radius-sm: 10px;
    
    /* Chat bubble colors */
    --primary: #0066cc;
    --primary-light: #e6f0fa;
    --received-bg: #e8e8e5;
    --received-border: #d4d4d0;
    --secondary: #f0efeb;
    --secondary-dark: #d8d6d0;
    --auth-accent: #0f6d4f;
    --auth-accent-soft: #e6f3ef;
    --auth-gradient: radial-gradient(80% 120% at 20% 10%, #f3f7f2 0%, #eef2ee 45%, #f7f7f4 100%);
    --input-area-offset: 4.25rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body, #app {
    width: 100%;
    height: 100%;
}

body {
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg);
    color: var(--ink);
    direction: rtl;
    -webkit-font-smoothing: antialiased;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

button {
    font-family: inherit;
}

/* Auth Styles */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background: var(--auth-gradient);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.auth-container::before,
.auth-container::after {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(15, 109, 79, 0.08);
    filter: blur(2px);
    z-index: 0;
}

.auth-container::before {
    top: -120px;
    right: -90px;
}

.auth-container::after {
    bottom: -140px;
    left: -80px;
    background: rgba(0, 102, 204, 0.08);
}

.auth-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    padding: 2rem;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    animation: authEnter 0.5s ease both;
}

@keyframes authEnter {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.auth-logo {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 1.3rem;
    color: #0b2c22;
    background: linear-gradient(135deg, #e6f3ef, #d9ede6);
    border: 1px solid rgba(15, 109, 79, 0.2);
}

.auth-title h1 {
    margin: 0;
    color: var(--ink);
    font-size: 1.7rem;
    letter-spacing: -0.02em;
}

.auth-subtitle {
    margin-top: 0.2rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.auth-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    background: var(--surface-muted);
    padding: 0.35rem;
    border-radius: 999px;
}

.tab-btn {
    padding: 0.75rem 1rem;
    border: 0;
    background: transparent;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    color: var(--muted);
    transition: all 0.2s ease;
}

.tab-btn.active {
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form input {
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--surface);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--auth-accent);
    box-shadow: 0 0 0 3px rgba(15, 109, 79, 0.15);
}

.auth-form button {
    padding: 0.9rem;
    background: var(--auth-accent);
    color: var(--surface);
    border: 1px solid var(--auth-accent);
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 22px rgba(15, 109, 79, 0.2);
}

.auth-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 24px rgba(15, 109, 79, 0.22);
}

.error-message {
    color: #c53232;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.auth-footer {
    margin-top: 1rem;
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}

/* Buttons & Icons */
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--ink);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.icon-text {
    font-size: 1rem;
    color: var(--muted);
}

.icon-btn:hover {
    background: var(--surface-muted);
    border-color: #d4d1ca;
}

.icon-btn:active {
    transform: translateY(1px);
}

.icon-btn.solid {
    background: var(--ink);
    color: var(--surface);
    border-color: var(--ink);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}

.icon-btn.solid:hover {
    background: #15171a;
}

.icon-btn.ghost {
    background: transparent;
}

/* Messenger */
.messenger-container {
    display: flex;
    height: 100%;
    background: var(--bg);
}

.chat-list-panel {
    width: 320px;
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, #f9faf8 0%, #ffffff 30%);
    overflow: hidden;
}

.chat-panel {
    flex: 1;
    min-height: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border-radius: var(--radius) var(--radius) 0 0;
}

.panel-header {
    padding: calc(0.85rem + env(safe-area-inset-top)) 1.25rem 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    z-index: 5;
}

.panel-header h2 {
    font-size: 1.1rem;
    letter-spacing: -0.01em;
    font-weight: 700;
}

.header-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* Chat Header Info */
.chat-header-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.chat-header-avatar-wrapper {
    position: relative;
}

.chat-header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 6px 14px rgba(15, 109, 79, 0.12);
}

.chat-header-avatar-placeholder {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0f6d4f, #1d8f68);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.chat-header-avatar-wrapper .online-indicator {
    width: 10px;
    height: 10px;
    bottom: 0;
    right: 0;
}

.chat-header-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.chat-header-name {
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.2;
}

.chat-header-status {
    font-size: 0.75rem;
    color: var(--auth-accent);
    font-weight: 500;
}

/* User Profile Section */
.user-profile-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: var(--auth-accent-soft);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0f6d4f, #1d8f68);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(15, 109, 79, 0.16);
}

.user-profile-info {
    flex: 1;
}

.user-profile-name {
    font-weight: 600;
    color: var(--ink);
    font-size: 0.95rem;
}

.user-profile-status {
    font-size: 0.8rem;
    color: #0f6d4f;
}

/* Avatar images */
.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.avatar-img-large {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.conversation-avatar {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0f6d4f, #1d8f68);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    overflow: hidden;
    position: relative;
    box-shadow: 0 8px 16px rgba(15, 109, 79, 0.12);
}

/* Online status indicator */
.online-indicator {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    background: #22c55e;
    border: 2px solid var(--surface);
    border-radius: 50%;
    z-index: 1;
}

.conversation-avatar .online-indicator {
    bottom: 0;
    right: 0;
}

.logout-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid rgba(15, 109, 79, 0.25);
    border-radius: 999px;
    color: #0f6d4f;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.logout-btn:hover {
    background: #eaf5f1;
    border-color: rgba(15, 109, 79, 0.4);
}

.profile-modal-content {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1 1 auto;
    min-height: 0;
}

.profile-avatar-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.profile-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 2rem;
    overflow: hidden;
}

.profile-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.profile-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.profile-form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--ink);
}

.profile-form-group input {
    padding: 0.75rem 1rem;
    border: 1px solid #e1e6de;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--surface);
}

.profile-form-group input:focus {
    outline: none;
    border-color: var(--auth-accent);
    box-shadow: 0 0 0 3px rgba(15, 109, 79, 0.12);
}

.profile-form-group input:disabled {
    background: var(--surface-muted);
    color: var(--muted);
}

.profile-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.profile-actions button {
    flex: 1;
    padding: 0.85rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--auth-accent);
    color: var(--surface);
    border: 1px solid var(--auth-accent);
}

.btn-primary:hover {
    background: #0c5b42;
}

.btn-secondary {
    background: var(--surface);
    color: var(--ink);
    border: 1px solid #e1e6de;
}

.btn-secondary:hover {
    background: #eef5f0;
    border-color: rgba(15, 109, 79, 0.25);
    color: var(--auth-accent);
}

.btn-danger {
    background: #dc3545;
    color: #fff;
    border: 1px solid #dc3545;
    padding: 0.85rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-danger:hover {
    background: #c82333;
    border-color: #c82333;
}

.btn-danger:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.search-bar {
    margin: 0.75rem 1.25rem 0.5rem 1.25rem;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 0.55rem;
    background: var(--surface-muted);
}

.search-bar input {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    color: var(--ink);
}

.search-bar input:focus {
    outline: none;
}

.conversations-list {
    flex: 1;
    overflow-y: auto;
}

.conversation-item {
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    background: var(--surface);
}

.conversation-item.skeleton {
    cursor: default;
}

.conversation-item.skeleton:hover {
    background: var(--surface);
}

.skeleton-avatar,
.skeleton-line {
    background: linear-gradient(90deg, #ece9e2 25%, #f6f4ef 50%, #ece9e2 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.2s ease-in-out infinite;
}

.skeleton-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.skeleton-line {
    height: 12px;
    border-radius: 999px;
}

.skeleton-name {
    width: 65%;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.conversation-item:hover {
    background: #f4f7f4;
}

.conversation-item.active {
    background: #eef5f0;
    border-inline-start: 3px solid var(--auth-accent);
}

.conversation-info {
    flex: 1;
}

.conversation-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.conversation-menu-btn {
    border: none;
    background: transparent;
    color: var(--muted);
    font-size: 1.1rem;
    padding: 0.25rem 0.4rem;
    border-radius: 8px;
    cursor: pointer;
    line-height: 1;
}

.conversation-menu-btn:hover {
    background: #eef5f0;
    color: var(--auth-accent);
}

.conversation-username {
    font-weight: 700;
    margin-bottom: 0.2rem;
    color: var(--ink);
}

.conversation-preview {
    font-size: 0.9rem;
    color: var(--muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.unread-badge {
    background: var(--auth-accent);
    color: var(--surface);
    border-radius: 999px;
    min-width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0 0.5rem;
}

.empty-state {
    text-align: center;
    color: #6b726f;
    padding: 2rem 1rem;
}

.profile-danger-zone {
    margin-top: 1.25rem;
    padding: 1rem;
    border: 1px solid #f1c5cb;
    background: #fff5f6;
    border-radius: var(--radius);
}

.danger-summary {
    list-style: none;
    cursor: pointer;
    font-weight: 700;
    color: #c82333;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.danger-summary::-webkit-details-marker {
    display: none;
}

.danger-summary::after {
    content: '▾';
    font-size: 0.9rem;
    color: #c82333;
}

.profile-danger-zone[open] .danger-summary::after {
    content: '▴';
}

.danger-title {
    font-weight: 700;
    color: #c82333;
    margin-bottom: 0.35rem;
}

.danger-text {
    color: #a94442;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.danger-input {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1px solid #f1c5cb;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    background: #fff;
}

.danger-input:focus {
    outline: none;
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.12);
}

.loading-older {
    text-align: center;
    color: var(--muted);
    padding: 0.75rem;
    font-size: 0.85rem;
    background: var(--surface-muted);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.load-more-hint {
    text-align: center;
    color: var(--muted);
    padding: 0.5rem;
    font-size: 0.8rem;
    opacity: 0.7;
}

.messages-container {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 1.25rem 1.25rem 3.75rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: linear-gradient(180deg, #f9faf8 0%, #ffffff 18%, #ffffff 100%);
    position: relative;
}

/* Pull to refresh styles */
.pull-to-refresh-indicator {
    position: fixed;
    bottom: calc(var(--input-area-offset) + env(safe-area-inset-bottom));
    left: 0;
    right: 0;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
    z-index: 20;
}

.pull-to-refresh-indicator.visible {
    opacity: 1;
}

.pull-to-refresh-indicator.ready {
    opacity: 1;
}

.refresh-hint {
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 500;
}

.refresh-spinner {
    font-size: 1.5rem;
    animation: spin 1s linear infinite;
    color: var(--primary);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.message {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.25rem;
    width: 100%;
}

.message.sent {
    align-items: flex-start;
}

.message.received {
    align-items: flex-start;
}

.message-bubble {
    max-width: 85%;
    min-width: 60px;
    padding: 0.8rem 1rem;
    border-radius: 16px;
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.5;
    font-size: 1rem;
    border: 1px solid var(--border);
    background: var(--surface-muted);
    color: var(--ink);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.05);
}

.message.sent .message-bubble {
    background: linear-gradient(135deg, #0f6d4f, #1d8f68);
    color: #ffffff;
    border-color: #0f6d4f;
    border-top-right-radius: 6px;
}

.message.received .message-bubble {
    background: #f1f3ef;
    color: var(--ink);
    border-color: #e0e4dd;
    border-top-right-radius: 6px;
}

.file-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: inherit;
    text-decoration: none;
    padding: 0.3rem 0.5rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 6px;
    transition: background 0.2s;
}

.file-link:hover {
    background: rgba(0, 0, 0, 0.1);
    text-decoration: underline;
}

.message.sent .file-link {
    background: rgba(255, 255, 255, 0.2);
}

.message.sent .file-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

.message-meta {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-end;
    margin-top: 0;
}

.message-time {
    font-size: 0.72rem;
    color: var(--muted);
}

.message-status {
    font-size: 0.78rem;
    color: var(--muted);
}

.message.sent .message-meta {
    justify-content: flex-start;
}

.message.sent .message-time,
.message.sent .message-status {
    color: rgba(15, 109, 79, 0.7);
}

.message-footer {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.35rem;
}

.message.received .message-footer {
    justify-content: flex-end;
}

.message.sent .message-footer {
    justify-content: flex-start;
}

.message-menu-btn {
    border: 1px solid #e1e6de;
    background: #ffffff;
    color: var(--muted);
    border-radius: 10px;
    padding: 0.1rem 0.45rem;
    cursor: pointer;
    line-height: 1;
    font-size: 1.1rem;
    transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease, border-color 0.15s ease;
}

.message-menu-btn:hover {
    background: #eef5f0;
    color: var(--auth-accent);
    border-color: rgba(15, 109, 79, 0.25);
}

.message-menu-btn:active {
    transform: translateY(1px);
}

.message-input-area {
    padding: 0.75rem 1.25rem calc(1rem + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    position: sticky;
    bottom: 0;
    z-index: 4;
}

.upload-progress {
    font-size: 0.85rem;
    color: var(--muted);
    text-align: center;
    padding: 0.5rem;
}

.input-container {
    display: flex;
    gap: 0.65rem;
    align-items: center;
    background: #f1f4f0;
    border: 1px solid #e1e6de;
    border-radius: 999px;
    padding: 0.35rem 0.35rem 0.35rem 0.75rem;
}

.input-container input {
    flex: 1;
    padding: 0.65rem 0.35rem;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--ink);
}

.input-container input:focus {
    outline: none;
}

.input-container .icon-btn.solid {
    min-width: 44px;
    height: 44px;
    border-radius: 999px;
    background: var(--auth-accent);
    border-color: var(--auth-accent);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    display: flex;
    justify-content: center;
    align-items: flex-end;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: var(--surface);
    width: 100%;
    max-width: 520px;
    max-height: 92vh;
    border-radius: 16px 16px 12px 12px;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.28s ease-out;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    background: linear-gradient(180deg, #f9faf8 0%, #ffffff 20%, #ffffff 100%);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.05rem;
    color: var(--ink);
}

.close-btn {
    background: transparent;
    border: 1px solid #e1e6de;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--muted);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

.close-btn:hover {
    color: var(--auth-accent);
    border-color: rgba(15, 109, 79, 0.25);
}

.users-list {
    flex: 1;
    overflow-y: auto;
}

.search-user-container {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.search-user-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--surface);
    color: var(--ink);
    direction: rtl;
}

.search-user-input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-user-input::placeholder {
    color: var(--muted);
}

.users-list .search-hint,
.users-list .searching {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--muted);
}

.user-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.user-item:hover {
    background-color: var(--surface-muted);
}

.user-avatar-wrapper {
    flex-shrink: 0;
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-avatar-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.user-avatar-wrapper .online-indicator {
    width: 10px;
    height: 10px;
    bottom: 0;
    right: 0;
}

.online-text {
    color: #22c55e;
    font-size: 0.75rem;
    font-weight: 500;
}

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

.user-display-name {
    font-weight: 600;
    color: var(--ink);
}

.user-username {
    font-size: 0.85rem;
    color: var(--muted);
}

.user-item .chevron {
    color: var(--muted);
    font-size: 1.25rem;
}

.users-list .empty {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--muted);
}

.mobile-only { display: none; }

/* Responsive */
@media (max-width: 900px) {
    .chat-list-panel { width: 280px; }
    .messages-container { padding: 1rem; }
}

@media (max-width: 768px) {
    .messenger-container {
        flex-direction: column;
    }

    .chat-list-panel {
        width: 100%;
        max-height: 42%;
        border-left: none;
        border-bottom: 1px solid var(--border);
    }

    .chat-panel {
        flex: 1;
    }

    .message-bubble { max-width: 92%; }
    .auth-card { margin: 0.5rem; }
}

@media (max-width: 480px) {
    :root { --input-area-offset: 3.5rem; }
    .messenger-container { height: 100%; background: var(--surface); }
    .chat-panel { 
        border-radius: 0;
        height: 100%;
        min-height: 0;
    }
    .search-bar { margin: 0.5rem 1rem; }

    .chat-list-panel {
        display: none;
        max-height: none;
        border-bottom: none;
    }

    .chat-list-panel.mobile-show {
        display: flex;
        position: fixed;
        inset: 0;
        width: 100%;
        max-width: none;
        z-index: 200;
        box-shadow: none;
        border-left: none;
    }

    .chat-panel.mobile-hide {
        display: none;
    }

    .back-btn {
        font-size: 1.2rem;
        padding: 0.3rem 0.5rem;
        margin-left: 0.3rem;
    }

    .panel-header { padding: 0.9rem 1rem; }
    .mobile-only { display: inline-flex; }
    
    .messages-container { 
        padding: 1rem;
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .message-bubble {
        max-width: 95%;
        font-size: 0.95rem;
    }
    
    .auth-card { padding: 1.5rem 1.25rem; }

    .message-input-area {
        padding: 0.75rem;
    }

    .input-container {
        gap: 0.25rem;
    }

    .input-container input {
        padding: 0.6rem;
        font-size: 1rem;
    }

    .input-container button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .auth-card {
        max-width: 100%;
        margin: 0 1rem;
    }

    .modal {
        align-items: flex-end;
    }

    .modal-content {
        border-radius: 12px 12px 0 0;
        max-height: 70vh;
    }

    .conversation-item {
        padding: 0.5rem 0.75rem;
    }

    .conversation-username {
        font-size: 0.9rem;
    }

    .conversation-preview {
        font-size: 0.8rem;
    }

    .panel-header h2 {
        font-size: 1rem;
    }

    .menu-btn {
        font-size: 1.25rem;
        padding: 0.25rem;
    }

    .search-bar input {
        font-size: 0.8rem;
        padding: 0.4rem;
    }

    .message-status {
        font-size: 0.7rem;
    }
}

/* Offline Banner */
.offline-banner {
    position: relative;
    z-index: 9999;
    background: #f44336;
    color: #fff;
    text-align: center;
    padding: 0.4rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Context Menu Styles */
.context-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
}

.context-menu {
    position: fixed;
    z-index: 1000;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 140px;
    overflow: hidden;
    animation: context-menu-fade-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: top right;
}

@keyframes context-menu-fade-in {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-4px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--ink);
    text-align: right;
    transition: background 0.15s;
}

.context-menu-item:hover {
    background: var(--surface-muted);
}

.context-menu-item.delete {
    color: #dc3545;
}

.context-menu-item.delete:hover {
    background: #fff5f5;
}

.context-menu-icon {
    font-size: 1rem;
}

/* Call Styles */
.call-btn {
    color: #22c55e !important;
}

.incoming-call-modal {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.call-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    overflow: hidden;
}

.call-actions {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.call-actions button {
    flex: 1;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: opacity 0.2s;
}

.call-actions button:hover {
    opacity: 0.9;
}

.btn-accept {
    background: #20b983;
    color: white;
}

.btn-decline {
    background: #ef4444;
    color: white;
}

.active-call-bar {
    background: linear-gradient(135deg, #0f6d4f, #1d8f68);
    color: white;
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 6;
}

.active-call-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.pulse-icon {
    color: white;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

.active-call-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-hangup {
    background: #ef4444;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-hangup:hover {
    background: #dc2626;
}