/* ============================================
   MESSENGER — Modern Chat UI
   Clean, sleek, messaging-app aesthetic
   Auth: full-screen, no card, no radius
   ============================================ */

/* ── Variables ─────────────────────────────── */
:root {
    --primary:        #6c5ce7;
    --primary-dark:   #5a4bd1;
    --primary-light:  #a29bfe;
    --secondary:      #00cec9;
    --danger:         #e74c3c;
    --warning:        #f9ca24;
    --info:           #74b9ff;
    --success:        #00b894;

    --bg:             #f0f2f5;
    --surface:        #ffffff;
    --text:           #111b21;
    --text-light:     #54656f;
    --text-lighter:   #8696a0;
    --border:         #e9edef;

    --shadow:         0 1px 3px rgba(11,20,26,.08);
    --shadow-lg:      0 4px 20px rgba(11,20,26,.12);

    --radius:         12px;
    --radius-sm:      8px;
    --radius-lg:      16px;

    --transition:     all .2s cubic-bezier(.4,0,.2,1);

    --chat-bg:        #efeae2;
    --hover-bg:       #f5f6f6;
    --input-bg:       #f0f2f5;
    --modal-overlay:  rgba(11,20,26,.6);

    --msg-out-bg:     #d9fdd3;
    --msg-in-bg:      #ffffff;

    --system-msg-bg:  rgba(255,255,255,.9);
    --system-msg-color: #54656f;
    --readonly-bg:    #fff3cd;
    --readonly-color: #856404;
    --profile-gradient: linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%);
    --reply-bar-bg:   #f0f2f5;
    --ai-notice-bg:   #fff8e1;

    --nav-height:     58px;
}

[data-theme="dark"] {
    --bg:             #111b21;
    --surface:        #202c33;
    --text:           #e9edef;
    --text-light:     #8696a0;
    --text-lighter:   #4a555d;
    --border:         #2a3942;

    --shadow:         0 1px 3px rgba(0,0,0,.3);
    --shadow-lg:      0 4px 20px rgba(0,0,0,.5);

    --chat-bg:        #0b141a;
    --hover-bg:       #2a3942;
    --input-bg:       #2a3942;
    --modal-overlay:  rgba(0,0,0,.75);

    --msg-out-bg:     #005c4b;
    --msg-in-bg:      #202c33;

    --system-msg-bg:  rgba(17,27,33,.9);
    --system-msg-color: #8696a0;
    --readonly-bg:    #3d3520;
    --readonly-color: #f0c040;
    --profile-gradient: linear-gradient(160deg, #1a1a2e 0%, #16213e 100%);
    --reply-bar-bg:   #1f2c34;
    --ai-notice-bg:   #3d3520;
}

/* ── Reset ─────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}

body {
    font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    height: 100vh; height: 100dvh;
    overflow: hidden;
    user-select: none;
    color: var(--text);
    transition: background-color .4s ease, color .4s ease;
    -webkit-font-smoothing: antialiased;
}

/* ── Screens ───────────────────────────────── */
.screen { display:none; height:100vh; height:100dvh; width:100%; flex-direction:column; }
.screen.active { display:flex; }

/* ══════════════════════════════════════════════
   AUTH SCREEN — full-screen, no card, no radius
   ══════════════════════════════════════════════ */
#auth-screen {
    background: var(--surface);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 0;
    position: relative;
    overflow: hidden;
}

/* Top accent strip */
#auth-screen::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    z-index: 2;
}

[data-theme="dark"] #auth-screen {
    background: var(--bg);
}

/* Remove blob / particle decorations entirely */
.auth-particles { display: none; }
.auth-particle  { display: none; }

/* The "card" becomes a full-screen panel */
.auth-container {
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    position: relative;
    z-index: 1;
    animation: none;
    text-align: center;
}

[data-theme="dark"] .auth-container {
    background: transparent;
    backdrop-filter: none;
    border: none;
}

/* Auth inner wrapper — constrains content width */
.auth-inner {
    width: 100%;
    max-width: 380px;
    padding: 48px 32px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Logo */
.auth-logo {
    width: 72px; height: 72px;
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 24px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 8px 24px rgba(108,92,231,.28);
    animation: none;
}
.auth-logo img { width:100%; height:100%; object-fit:cover; }

.auth-container h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: -.4px;
}
.auth-container .subtitle {
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 32px;
    line-height: 1.5;
}

/* Tabs */
.auth-tabs {
    display: flex;
    background: var(--input-bg);
    border-radius: 8px;
    padding: 3px;
    margin-bottom: 28px;
    gap: 3px;
    border: 1px solid var(--border);
    width: 100%;
}
.auth-tab {
    flex: 1; padding: 9px 12px;
    border-radius: 6px; border: none; cursor: pointer;
    font-size: 13px; font-weight: 600; font-family: inherit;
    transition: var(--transition);
    color: var(--text-light); background: transparent;
}
.auth-tab.active {
    background: var(--primary); color: #fff;
    box-shadow: 0 2px 8px rgba(108,92,231,.25);
}
.auth-tab:hover:not(.active) { color: var(--primary); }

/* Inputs */
.auth-input-wrap {
    position: relative;
    margin-bottom: 12px;
    width: 100%;
    text-align: left;
}
.auth-input-wrap .auth-input-icon {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    color: var(--text-lighter); font-size: 14px; pointer-events: none; transition: var(--transition);
}
.auth-input-wrap input {
    width: 100%; padding: 13px 14px 13px 42px;
    background: var(--input-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px; color: var(--text); font-family: inherit;
    outline: none; transition: var(--transition);
}
.auth-input-wrap input::placeholder { color: var(--text-lighter); }
.auth-input-wrap input:focus {
    border-color: var(--primary);
    background: var(--surface);
    box-shadow: 0 0 0 3px rgba(108,92,231,.1);
}
.auth-input-wrap input:focus ~ .auth-input-icon { color: var(--primary); }

/* Auth button */
.btn-auth {
    width: 100%; padding: 14px; border: none;
    border-radius: var(--radius-sm); margin-top: 8px;
    font-size: 15px; font-weight: 700; cursor: pointer; font-family: inherit;
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(108,92,231,.3);
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 10px;
}
.btn-auth:hover  { background: var(--primary-dark); box-shadow: 0 6px 20px rgba(108,92,231,.35); }
.btn-auth:active { transform: scale(.98); box-shadow: 0 2px 8px rgba(108,92,231,.2); }

/* Feature badges */
.auth-features {
    display: flex; justify-content: center; gap: 8px;
    flex-wrap: wrap; margin-top: 28px;
}
.auth-feature-badge {
    display: flex; align-items: center; gap: 5px;
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: 20px; padding: 4px 10px;
    font-size: 11px; color: var(--text-light);
}
.auth-feature-badge i { font-size: 10px; color: var(--primary); }

/* Forgot */
.auth-forgot {
    text-align: right; margin-bottom: 10px; font-size: 12px; width: 100%;
}
.auth-forgot a { color: var(--primary); text-decoration: none; font-weight: 500; }
.auth-forgot a:hover { text-decoration: underline; }

/* Divider between logo/brand and form for full-screen feel */
.auth-divider {
    width: 32px; height: 2px;
    background: var(--border);
    border-radius: 2px;
    margin: 0 auto 28px;
}

/* Error */
.error-message {
    color: var(--danger); text-align: center; margin-top: 12px; font-size: 13px;
    display: none; padding: 10px 14px;
    background: rgba(231,76,60,.08); border: 1px solid rgba(231,76,60,.15);
    border-radius: var(--radius-sm);
    width: 100%;
}
.error-message.show { display:block; animation: fadeIn .2s ease-out; }

/* Slideup kept for modals only */
@keyframes slideUp {
    from { transform: translateY(30px) scale(.97); opacity:0; }
    to   { transform: translateY(0) scale(1); opacity:1; }
}
@keyframes fadeIn {
    from { opacity:0; transform:translateY(-6px); }
    to   { opacity:1; transform:translateY(0); }
}

/* ══════════════════════════════════════════════
   BADGES
   ══════════════════════════════════════════════ */
.verified-badge    { display:inline-flex; align-items:center; justify-content:center; width:16px; height:16px; background:var(--info); border-radius:50%; color:#fff; font-size:9px; margin-right:4px; flex-shrink:0; }
.verified-badge.small { width:13px; height:13px; font-size:7px; }
.admin-badge       { display:inline-block; background:var(--warning); color:#333; font-size:10px; padding:2px 7px; border-radius:10px; margin-right:4px; font-weight:600; }
.group-badge       { display:inline-block; background:var(--success); color:#fff; font-size:10px; padding:2px 7px; border-radius:10px; margin-right:4px; font-weight:600; }
.group-admin-badge { display:inline-block; background:var(--primary); color:#fff; font-size:9px; padding:2px 6px; border-radius:10px; margin-right:4px; font-weight:600; }

/* Form group */
.form-group { margin-bottom:16px; text-align:right; }
.form-group label { display:block; margin-bottom:6px; color:var(--text); font-weight:600; font-size:13px; }
.form-group input, .form-group textarea {
    width:100%; padding:12px 14px; border:1.5px solid var(--border);
    border-radius:var(--radius-sm); font-size:14px; background:var(--input-bg);
    font-family:inherit; resize:none; transition:var(--transition); color:var(--text);
}
.form-group input:focus, .form-group textarea:focus {
    outline:none; border-color:var(--primary); background:var(--surface);
    box-shadow:0 0 0 3px rgba(108,92,231,.1);
}

/* Buttons */
.btn-group { display:flex; gap:10px; margin-top:20px; }
.btn {
    flex:1; padding:12px 18px; border:none; border-radius:var(--radius-sm);
    font-size:14px; font-weight:600; cursor:pointer; font-family:inherit;
    text-align:center; transition:var(--transition);
    display:flex; align-items:center; justify-content:center; gap:8px;
}
.btn:active { transform:scale(.97); }
.btn-primary  { background:var(--primary); color:#fff; box-shadow:0 4px 12px rgba(108,92,231,.25); }
.btn-secondary{ background:var(--success); color:#fff; box-shadow:0 4px 12px rgba(0,184,148,.25); }
.btn-danger   { background:var(--danger);  color:#fff; }
.btn-warning  { background:var(--warning); color:#333; }
.btn-info     { background:var(--info);    color:#fff; }
.btn-outline  { background:transparent; border:1.5px solid var(--primary); color:var(--primary); }

/* ══════════════════════════════════════════════
   INSTALL BANNER
   ══════════════════════════════════════════════ */
.install-banner {
    position:fixed; bottom:0; left:0; width:100%;
    background:var(--surface); padding:14px 18px; z-index:999;
    display:none; align-items:center; justify-content:space-between; gap:12px;
    box-shadow:0 -2px 16px rgba(0,0,0,.1); border-top:1px solid var(--border);
}
.install-banner.show { display:flex; animation:slideUp .4s ease-out; }
.install-banner .install-info { display:flex; align-items:center; gap:12px; flex:1; min-width:0; }
.install-banner .install-icon {
    width:44px; height:44px; border-radius:12px;
    background:linear-gradient(135deg, var(--primary), var(--primary-dark));
    color:#fff; display:flex; align-items:center; justify-content:center;
    font-size:22px; flex-shrink:0; overflow:hidden;
}
.install-banner .install-icon img { width:100%; height:100%; object-fit:cover; }
.install-banner .install-text  { flex:1; min-width:0; }
.install-banner .install-title { font-weight:600; font-size:14px; color:var(--text); }
.install-banner .install-subtitle { font-size:12px; color:var(--text-light); }
.install-banner .install-btn {
    padding:9px 18px; background:var(--primary); color:#fff;
    border:none; border-radius:20px; font-weight:600; cursor:pointer;
    font-family:inherit; font-size:13px; white-space:nowrap; flex-shrink:0;
}
.install-banner .install-btn:active { transform:scale(.95); }
.install-banner .install-close { background:none; border:none; color:var(--text-lighter); font-size:18px; cursor:pointer; padding:4px; flex-shrink:0; }

/* ══════════════════════════════════════════════
   APP LAYOUT
   ══════════════════════════════════════════════ */
.app-layout { display:flex; flex-direction:column; height:100%; background:var(--bg); transition:background-color .4s ease; }

/* Header */
.app-header {
    background:var(--primary);
    padding: 0 16px;
    display:flex; justify-content:space-between; align-items:center;
    z-index:100; height:56px; min-height:56px;
    position:relative; transition:background-color .3s ease;
}
.app-header.hidden-header { display:none !important; }
.app-header .title { font-size:18px; font-weight:700; color:#fff; }
.header-actions { display:flex; gap:4px; align-items:center; }

.header-logo-small {
    width:34px; height:34px; border-radius:10px; overflow:hidden;
    margin-right:10px; display:none;
}
.header-logo-small img { width:100%; height:100%; object-fit:cover; }

.icon-btn {
    width:38px; height:38px; border-radius:50%; border:none;
    background:transparent; color:var(--text-light); font-size:17px;
    cursor:pointer; display:flex; align-items:center; justify-content:center; transition:var(--transition);
}
.icon-btn:hover  { background:var(--hover-bg); color:var(--primary); }
.icon-btn:active { transform:scale(.9); }
/* ── Dropdown ───────────────────────────────── */
.dropdown-menu {
    position:absolute; top:56px; left:12px; background:var(--surface);
    border-radius:var(--radius); box-shadow:var(--shadow-lg); min-width:210px;
    z-index:200; display:none; overflow:hidden; border:1px solid var(--border);
}
.dropdown-menu.show { display:block; animation:fadeIn .15s ease-out; }

.dropdown-item {
    padding:13px 18px; cursor:pointer; display:flex; align-items:center;
    gap:12px; font-size:14px; color:var(--text);
    border-bottom:1px solid var(--border); transition:var(--transition);
}
.dropdown-item:last-child { border-bottom:none; }
.dropdown-item:hover  { background:var(--hover-bg); }
.dropdown-item.danger { color:var(--danger); }
.dropdown-backdrop { position:fixed; top:0; left:0; width:100%; height:100%; z-index:150; display:none; }
.dropdown-backdrop.show { display:block; }

/* ── Content ────────────────────────────────── */
.main-content { flex:1; overflow:hidden; position:relative; }
.tab-content  { display:none; height:100%; overflow-y:auto; }
.tab-content.active { display:block; }

/* ══════════════════════════════════════════════
   CONTACTS LIST
   ══════════════════════════════════════════════ */
.contacts-header {
    padding:10px 14px;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    position:sticky; top:0; z-index:10;
}
.search-wrapper { position:relative; }
.search-wrapper i { position:absolute; left:14px; top:50%; transform:translateY(-50%); color:var(--text-lighter); font-size:13px; }
.search-box {
    width:100%; padding:10px 14px 10px 38px;
    border:none; border-radius:8px;
    font-size:14px; background:var(--input-bg); font-family:inherit;
    transition:var(--transition); color:var(--text); outline:none;
}
.search-box:focus { background:var(--surface); box-shadow:0 0 0 2px var(--primary); }

.contact-item {
    display:flex; align-items:center; padding:12px 16px; cursor:pointer;
    border-bottom:1px solid var(--border); gap:12px;
    transition:background .15s ease; background:var(--surface);
}
.contact-item:hover  { background:var(--hover-bg); }
.contact-item:active { background:var(--hover-bg); }

.contact-avatar {
    width:50px; height:50px; border-radius:50%;
    background:linear-gradient(135deg, var(--primary), var(--primary-dark));
    color:#fff; display:flex; align-items:center; justify-content:center;
    font-size:19px; font-weight:700; flex-shrink:0; overflow:hidden;
}
.group-avatar { background:linear-gradient(135deg, var(--success), #00a381) !important; }
.contact-avatar img { width:100%; height:100%; object-fit:cover; }

.contact-info { flex:1; min-width:0; }
.contact-name         { font-weight:600; color:var(--text); font-size:15px; margin-bottom:3px; }
.contact-last-message { color:var(--text-light); font-size:13px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.contact-meta         { text-align:left; flex-shrink:0; }
.contact-time         { font-size:11px; color:var(--text-lighter); }
.unread-badge         { background:var(--primary); color:#fff; font-size:11px; padding:2px 7px; border-radius:10px; margin-top:5px; display:inline-block; font-weight:600; }

/* ══════════════════════════════════════════════
   CHAT VIEW
   ══════════════════════════════════════════════ */
.chat-view {
    height:100%; display:flex; flex-direction:column;
    background:var(--chat-bg); transition:background-color .4s ease;
}

.chat-header-bar {
    background:var(--primary);
    padding:8px 12px;
    display:flex; align-items:center; gap:10px;
    cursor:pointer; transition:background .2s ease; position:relative;
    min-height:56px;
}
.chat-header-bar:hover { background:var(--primary-dark); }

.back-btn {
    background:none; border:none; font-size:20px; cursor:pointer;
    color:rgba(255,255,255,.9); padding:6px 4px; flex-shrink:0;
}
.chat-partner-avatar {
    width:40px; height:40px; border-radius:50%;
    background:linear-gradient(135deg, var(--primary-light), var(--primary));
    color:#fff; display:flex; align-items:center; justify-content:center;
    font-size:17px; font-weight:700; flex-shrink:0; overflow:hidden;
}
.chat-partner-avatar img { width:100%; height:100%; object-fit:cover; }
.chat-partner-info  { flex:1; min-width:0; }
.chat-partner-name  { font-weight:600; color:#fff; font-size:15px; line-height:1.2; }
.chat-partner-status{ font-size:11px; color:rgba(255,255,255,.7); }

.call-buttons { display:flex; gap:6px; flex-shrink:0; }
.call-icon-btn {
    width:36px; height:36px; border-radius:50%; border:none;
    font-size:15px; cursor:pointer; display:flex; align-items:center;
    justify-content:center; transition:var(--transition); color:#fff; background:transparent;
}
.call-icon-btn:hover { background:rgba(255,255,255,.15); }
.call-icon-btn:active { transform:scale(.9); }
.voice-call-btn {}
.video-call-btn {}

.chat-more-btn {
    width:36px; height:36px; border-radius:50%; border:none;
    font-size:18px; cursor:pointer; display:flex; align-items:center;
    justify-content:center; transition:var(--transition); color:rgba(var(--text-light);); background:transparent;
}
.chat-more-btn:hover  { background:rgba(255,255,255,.15); }
.chat-more-btn:active { transform:scale(.9); }

.chat-more-menu {
    position:absolute; top:58px; right:8px; background:var(--surface);
    border-radius:var(--radius); box-shadow:var(--shadow-lg); min-width:190px;
    z-index:300; display:none; overflow:hidden; border:1px solid var(--border);
}
.chat-more-menu.show { display:block; animation:fadeIn .15s ease-out; }
.chat-more-backdrop  { position:fixed; top:0; left:0; width:100%; height:100%; z-index:299; display:none; }
.chat-more-backdrop.show { display:block; }

/* ── Messages ────────────────────────────────── */
.messages-area {
    flex:1; overflow-y:auto; padding:12px 10px;
    display:flex; flex-direction:column; gap:3px;
}
/* Scrollbar subtle */
.messages-area::-webkit-scrollbar { width:4px; }
.messages-area::-webkit-scrollbar-track { background:transparent; }
.messages-area::-webkit-scrollbar-thumb { background:var(--border); border-radius:2px; }

.message-bubble {
    max-width: 78%;
    padding: 8px 12px 6px;
    border-radius: 10px;
    font-size: 14px; line-height: 1.55;
    word-wrap: break-word; position: relative;
    transition: transform .1s ease;
}
.message-bubble:active { transform:scale(.99); }

.message-sent {
    align-self: flex-end;
    background: var(--msg-out-bg);
    color: var(--text);
    border-bottom-right-radius: 3px;
}
.message-received {
    align-self: flex-start;
    background: var(--msg-in-bg);
    color: var(--text);
    border-bottom-left-radius: 3px;
    box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
[data-theme="dark"] .message-sent     { color: var(--text); }
[data-theme="dark"] .message-received { box-shadow: 0 1px 2px rgba(0,0,0,.3); }

.message-sender-name  { font-size: 12px; font-weight: 600; color: var(--primary); margin-bottom: 3px; }
.message-time         { font-size: 10px; margin-top: 3px; opacity: .65; text-align: right; }
.message-image        { max-width: 220px; border-radius: 8px; cursor: pointer; margin-bottom: 4px; display:block; }
.message-edited       { font-size: 9px; opacity: .5; margin-right: 4px; }

.reply-preview {
    background: rgba(0,0,0,.05); border-right: 3px solid var(--primary);
    padding: 5px 8px; border-radius: 6px; margin-bottom: 5px;
    font-size: 12px; color: var(--text-light); cursor: pointer;
}
.reply-preview .reply-name { font-weight: 600; color: var(--primary); font-size: 11px; }
[data-theme="dark"] .reply-preview { background: rgba(255,255,255,.06); }

.system-message {
    align-self: center;
    background: var(--system-msg-bg);
    color: var(--system-msg-color);
    padding: 5px 14px; border-radius: 20px;
    font-size: 11px; text-align: center; max-width: 90%;
    box-shadow: 0 1px 2px rgba(0,0,0,.05);
}
.readonly-notice {
    text-align:center; font-size:11px; color:var(--readonly-color);
    padding:6px; background:var(--readonly-bg);
}

/* ── Input Area ─────────────────────────────── */
.reply-bar {
    background:var(--reply-bar-bg); padding:8px 14px;
    display:flex; align-items:center; justify-content:space-between;
    font-size:12px; border-top:1px solid var(--border);
}
.reply-bar .reply-preview-mini { flex:1; display:flex; align-items:center; gap:8px; color:var(--text-light); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.reply-bar .reply-preview-mini .reply-mini-name { font-weight:600; color:var(--primary); font-size:11px; }
.reply-bar .reply-preview-mini .reply-mini-text { font-size:11px; opacity:.7; overflow:hidden; text-overflow:ellipsis; }
.reply-bar .cancel-reply { background:none; border:none; color:var(--danger); cursor:pointer; font-size:16px; padding:4px; flex-shrink:0; }

.message-input-area {
    background:var(--surface); padding:8px 10px;
    display:flex; gap:8px; align-items:flex-end; border-top:1px solid var(--border);
}
.msg-input {
    flex:1; padding:10px 16px;
    border:none; border-radius:24px;
    font-size:14px; font-family:inherit;
    background:var(--input-bg); outline:none; transition:background .2s;
    color:var(--text); max-height:120px; overflow-y:auto; resize:none;
}
.msg-input:focus { background:var(--input-bg); }

.send-msg-btn {
    width:42px; height:42px; border-radius:50%;
    background:var(--primary); color:#fff; border:none;
    font-size:16px; cursor:pointer; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    transition:var(--transition); box-shadow:0 2px 8px rgba(108,92,231,.3);
}
.send-msg-btn:hover  { background:var(--primary-dark); }
.send-msg-btn:active { transform:scale(.9); }
.send-msg-btn:disabled { opacity:.4; cursor:not-allowed; }

/* Search messages bar */
.search-messages-bar {
    background:var(--surface); padding:7px 12px;
    display:none; align-items:center; gap:8px;
    border-bottom:1px solid var(--border);
}
.search-messages-bar.show { display:flex; }
.search-messages-bar input {
    flex:1; padding:9px 12px; border:1.5px solid var(--primary);
    border-radius:8px; font-size:14px; font-family:inherit;
    background:var(--input-bg); outline:none; color:var(--text);
}
.search-result-count { font-size:12px; color:var(--text-light); text-align:center; padding:3px; }

/* ══════════════════════════════════════════════
   CONTEXT MENUS
   ══════════════════════════════════════════════ */
.context-menu, .contact-context-menu {
    position:fixed; background:var(--surface);
    border-radius:var(--radius); box-shadow:var(--shadow-lg);
    min-width:180px; z-index:500;
    display:none; overflow:hidden; border:1px solid var(--border);
}
.context-menu.show, .contact-context-menu.show { display:block; animation:fadeIn .12s ease-out; }
.context-menu-item, .contact-context-item {
    padding:12px 16px; cursor:pointer; display:flex; align-items:center;
    gap:10px; font-size:13px; color:var(--text);
    border-bottom:1px solid var(--border); transition:background .12s;
}
.context-menu-item:last-child, .contact-context-item:last-child { border-bottom:none; }
.context-menu-item:active, .contact-context-item:active { background:var(--hover-bg); }
.context-menu-item.danger, .contact-context-item.danger { color:var(--danger); }
.contact-context-backdrop { position:fixed; top:0; left:0; width:100%; height:100%; z-index:499; display:none; }
.contact-context-backdrop.show { display:block; }

/* Edit inline */
.edit-input {
    width:100%; padding:7px 10px; border:1.5px solid var(--primary);
    border-radius:8px; font-size:14px; font-family:inherit;
    background:var(--surface); color:var(--text); outline:none; margin-bottom:4px;
}
.edit-actions { display:flex; gap:6px; margin-top:4px; }
.edit-actions button { padding:3px 10px; border-radius:6px; border:none; font-size:11px; cursor:pointer; font-family:inherit; font-weight:600; }
.edit-save   { background:var(--primary); color:#fff; }
.edit-cancel { background:var(--border); color:var(--text); }

/* AI notice */
.ai-unavailable-notice {
    background:var(--ai-notice-bg); border:1px solid var(--warning);
    border-radius:var(--radius-sm); padding:10px 14px; margin:12px;
    text-align:center; font-size:13px; color:#856404;
}

/* ══════════════════════════════════════════════
   BOTTOM NAV
   ══════════════════════════════════════════════ */
.bottom-nav {
    display:flex; background:var(--surface);
    border-top:1px solid var(--border); z-index:50;
    height:var(--nav-height); padding-bottom:env(safe-area-inset-bottom);
}
.nav-item {
    flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center;
    padding:6px 4px; cursor:pointer; color:var(--text-lighter); transition:var(--transition);
    font-size:10px; gap:3px; font-weight:500; position:relative;
}
.nav-item.active { color:var(--primary); }
.nav-item i { font-size:20px; }
/* Active indicator dot */
.nav-item.active::after {
    content:''; position:absolute; bottom:4px;
    width:4px; height:4px; border-radius:50%; background:var(--primary);
}

/* ── FAB ────────────────────────────────────── */
.fab {
    position:fixed; bottom:calc(var(--nav-height) + 16px); left:20px;
    width:52px; height:52px; border-radius:50%;
    background:var(--primary); color:#fff; border:none; font-size:20px; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 4px 18px rgba(108,92,231,.4); z-index:50; transition:var(--transition);
}
.fab:hover  { background:var(--primary-dark); }
.fab:active { transform:scale(.9); }
.fab.hidden { display:none; }

.fab-menu { position:fixed; bottom:calc(var(--nav-height) + 82px); left:20px; display:none; flex-direction:column; gap:10px; z-index:49; }
.fab-menu.show { display:flex; }
.fab-menu-item { display:flex; align-items:center; gap:10px; cursor:pointer; }
.fab-menu-label {
    background:var(--surface); padding:7px 13px; border-radius:20px;
    font-size:13px; font-weight:600; color:var(--text); box-shadow:var(--shadow); white-space:nowrap;
}
.fab-menu-btn {
    width:44px; height:44px; border-radius:50%; border:none; font-size:17px;
    cursor:pointer; display:flex; align-items:center; justify-content:center;
    color:#fff; box-shadow:0 4px 12px rgba(0,0,0,.2);
}
.fab-menu-btn:active { transform:scale(.9); }
.fab-add-contact  { background:var(--primary); }
.fab-create-group { background:var(--success); }
.fab-backdrop { position:fixed; top:0; left:0; width:100%; height:100%; z-index:48; display:none; }
.fab-backdrop.show { display:block; }

/* ══════════════════════════════════════════════
   PROFILE
   ══════════════════════════════════════════════ */
.profile-header {
    text-align:center; padding:40px 20px 32px;
    background:var(--profile-gradient); position:relative;
}
.profile-avatar-large {
    width:96px; height:96px; border-radius:50%;
    background:rgba(255,255,255,.25);
    color:#fff; display:flex; align-items:center; justify-content:center;
    font-size:38px; font-weight:700; margin:0 auto 16px; cursor:pointer;
    position:relative; overflow:hidden;
    border:3px solid rgba(255,255,255,.4);
}
.profile-avatar-large img { width:100%; height:100%; object-fit:cover; }
.avatar-edit-badge {
    position:absolute; bottom:0; right:0; background:var(--success);
    color:#fff; width:28px; height:28px; border-radius:50%; font-size:13px;
    display:flex; align-items:center; justify-content:center; border:3px solid #fff;
}
.profile-name  { font-size:22px; font-weight:700; color:#fff; margin-bottom:4px; }
.profile-email { font-size:13px; color:rgba(255,255,255,.75); margin-bottom:4px; }
.profile-bio   { font-size:13px; color:rgba(255,255,255,.65); font-style:italic; }

.profile-section { padding:14px 18px; background:var(--surface); margin:10px 0; }
.profile-section h3 { font-size:11px; color:var(--text-lighter); margin-bottom:10px; font-weight:600; text-transform:uppercase; letter-spacing:1.2px; }
.profile-item {
    display:flex; align-items:center; padding:13px 0; cursor:pointer;
    border-bottom:1px solid var(--border); gap:12px; transition:var(--transition);
}
.profile-item:last-child { border-bottom:none; }
.profile-item:hover { color:var(--primary); }
.profile-item i { font-size:17px; width:26px; text-align:center; color:var(--text-light); }
.profile-item span { flex:1; font-size:14px; color:var(--text); }
.profile-item .arrow { color:var(--text-lighter); font-size:12px; }

/* ══════════════════════════════════════════════
   MODALS
   ══════════════════════════════════════════════ */
.modal {
    display:none; position:fixed; top:0; left:0; width:100%; height:100%;
    background:var(--modal-overlay); backdrop-filter:blur(4px);
    z-index:1000; justify-content:center; align-items:flex-end; padding:0;
}
.modal.active { display:flex; }
.modal-content {
    background:var(--surface);
    border-radius:var(--radius-lg) var(--radius-lg) 0 0;
    padding:24px 22px 32px;
    width:100%; max-width:480px;
    max-height:88vh; overflow-y:auto;
    box-shadow:0 -4px 30px rgba(0,0,0,.15);
    animation:slideUp .3s cubic-bezier(.34,1.56,.64,1);
}
.modal-title { font-size:18px; font-weight:700; color:var(--text); margin-bottom:20px; text-align:center; }
.modal-close {
    float:left; background:none; border:none; font-size:20px;
    cursor:pointer; color:var(--text-lighter); transition:var(--transition);
}
.modal-close:hover { color:var(--danger); }

/* ── Empty State ────────────────────────────── */
.empty-state { text-align:center; padding:60px 24px; color:var(--text-lighter); }
.empty-state i { font-size:48px; margin-bottom:14px; color:var(--text-lighter); opacity:.4; display:block; }
.empty-state p { font-size:14px; line-height:1.6; }

/* ── Upload Progress ────────────────────────── */
.upload-progress {
    position:fixed; top:50%; left:50%; transform:translate(-50%,-50%);
    background:var(--surface); padding:28px; border-radius:var(--radius);
    text-align:center; box-shadow:var(--shadow-lg); z-index:2000; display:none;
}
.upload-progress.show { display:block; }
.spinner {
    width:40px; height:40px; border:3px solid var(--border);
    border-top:3px solid var(--primary); border-radius:50%;
    animation:spin 1s linear infinite; margin:0 auto 14px;
}
@keyframes spin { 0%{transform:rotate(0deg)} 100%{transform:rotate(360deg)} }

/* ── Member chips ───────────────────────────── */
.member-chips { display:flex; flex-wrap:wrap; gap:8px; margin-top:8px; }
.member-chip {
    background:var(--primary-light); color:#fff; padding:5px 10px;
    border-radius:16px; font-size:12px; display:flex; align-items:center; gap:5px;
}
.member-chip i { cursor:pointer; font-size:10px; }
.member-chip i:hover { color:var(--danger); }

/* ── Group member list ──────────────────────── */
.group-member-item {
    display:flex; align-items:center; justify-content:space-between;
    padding:11px 12px; border-bottom:1px solid var(--border); gap:12px;
}
.group-member-avatar {
    width:34px; height:34px; border-radius:50%;
    background:linear-gradient(135deg, var(--primary), var(--primary-dark));
    color:#fff; display:flex; align-items:center; justify-content:center;
    font-size:13px; flex-shrink:0; overflow:hidden;
}
.group-member-avatar img { width:100%; height:100%; object-fit:cover; }
.group-member-info    { flex:1; min-width:0; }
.group-member-name    { font-weight:600; font-size:13px; color:var(--text); }
.group-member-role    { font-size:10px; color:var(--text-light); }

/* ── Toggle ─────────────────────────────────── */
.toggle-switch { position:relative; display:inline-block; width:46px; height:25px; }
.toggle-switch input { opacity:0; width:0; height:0; }
.toggle-slider {
    position:absolute; cursor:pointer; top:0; left:0; right:0; bottom:0;
    background:#ccc; transition:.3s; border-radius:25px;
}
.toggle-slider:before {
    position:absolute; content:""; height:19px; width:19px;
    left:3px; bottom:3px; background:#fff; transition:.3s; border-radius:50%;
    box-shadow:0 1px 4px rgba(0,0,0,.2);
}
input:checked + .toggle-slider { background:var(--primary); }
input:checked + .toggle-slider:before { transform:translateX(21px); }

/* ── Invite link ────────────────────────────── */
.invite-link-box {
    background:var(--input-bg); border:1.5px dashed var(--primary);
    border-radius:var(--radius-sm); padding:11px; margin:10px 0;
    display:flex; align-items:center; justify-content:space-between; gap:10px;
    font-size:12px; word-break:break-all; color:var(--text);
}

/* ── Group photo preview ────────────────────── */
#gm-group-photo-preview { cursor:pointer; transition:var(--transition); }
#gm-group-photo-preview:hover { opacity:.8; }
#gm-group-photo-preview img { width:100%; height:100%; object-fit:cover; border-radius:50%; }

/* ── Theme switch ───────────────────────────── */
.theme-switch-wrapper {
    display:flex; align-items:center; justify-content:space-between;
    padding:13px 0; border-bottom:1px solid var(--border);
    cursor:pointer; transition:var(--transition);
}
.theme-switch-wrapper:hover { color:var(--primary); }
.theme-switch-label { display:flex; align-items:center; gap:12px; font-size:14px; color:var(--text); }
.theme-switch-label i { font-size:17px; width:26px; text-align:center; color:var(--text-light); transition:var(--transition); }

.theme-toggle { position:relative; display:inline-block; width:52px; height:28px; }
.theme-toggle input { opacity:0; width:0; height:0; }
.theme-toggle-slider {
    position:absolute; cursor:pointer; top:0; left:0; right:0; bottom:0;
    background:linear-gradient(135deg, #fdcb6e, #f39c12);
    transition:.35s; border-radius:28px;
    display:flex; align-items:center; justify-content:space-between; padding:0 6px;
}
.theme-toggle-slider:before {
    position:absolute; content:""; height:22px; width:22px;
    left:3px; bottom:3px; background:#fff; transition:.35s; border-radius:50%;
    z-index:1; box-shadow:0 2px 6px rgba(0,0,0,.2);
}
input:checked + .theme-toggle-slider { background:linear-gradient(135deg, #2c3e50, #1a1a2e); }
input:checked + .theme-toggle-slider:before { transform:translateX(24px); }
.theme-toggle-slider .sun-icon, .theme-toggle-slider .moon-icon { font-size:13px; z-index:0; }
.theme-toggle-slider .sun-icon  { color:#f39c12; margin-left:2px; }
.theme-toggle-slider .moon-icon { color:#f1c40f; margin-right:2px; }

/* ══════════════════════════════════════════════
   DARK MODE PATCHES
   ══════════════════════════════════════════════ */
[data-theme="dark"] .contact-item       { border-bottom-color:var(--border); }
[data-theme="dark"] .chat-header-bar    { background:var(--surface); }
[data-theme="dark"] .chat-header-bar:hover { background:var(--hover-bg); }
[data-theme="dark"] .app-header        { background:var(--surface); }
[data-theme="dark"] .app-header .title { color:var(--text); }
[data-theme="dark"] .icon-btn          { color:var(--text-light); }
[data-theme="dark"] .icon-btn:hover    { background:var(--hover-bg); color:var(--primary); }
[data-theme="dark"] .back-btn          { color:var(--primary); }
[data-theme="dark"] .chat-partner-name { color:var(--text); }
[data-theme="dark"] .chat-partner-status { color:var(--text-light); }
[data-theme="dark"] .call-icon-btn     { color:var(--text-light); }
[data-theme="dark"] .call-icon-btn:hover { background:var(--hover-bg); }
[data-theme="dark"] .chat-more-btn     { color:var(--text-light); }
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea { background:var(--input-bg); color:var(--text); border-color:var(--border); }
[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus { background:var(--surface); border-color:var(--primary); }
[data-theme="dark"] .msg-input         { background:var(--input-bg); color:var(--text); }
[data-theme="dark"] .search-box        { background:var(--input-bg); color:var(--text); }
[data-theme="dark"] .dropdown-menu,
[data-theme="dark"] .chat-more-menu,
[data-theme="dark"] .context-menu,
[data-theme="dark"] .contact-context-menu { background:var(--surface); border:1px solid var(--border); }
[data-theme="dark"] .install-banner    { background:var(--surface); border-top:1px solid var(--border); }
[data-theme="dark"] .upload-progress   { background:var(--surface); }
[data-theme="dark"] .empty-state i     { opacity:.25; }
[data-theme="dark"] .error-message     { background:rgba(231,76,60,.15); }

/* ══════════════════════════════════════════════
   CALL UI
   ══════════════════════════════════════════════ */
.call-overlay {
    position:fixed; inset:0; z-index:2000;
    display:flex; flex-direction:column;
    align-items:center; justify-content:center;
    background:linear-gradient(160deg, #1a0a3e 0%, #0d1a3a 50%, #0a2a1a 100%);
    animation:callFadeIn .4s ease-out;
}
@keyframes callFadeIn { from{opacity:0;transform:scale(1.03)} to{opacity:1;transform:scale(1)} }

#remote-video { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:0; background:#000; display:none; }
#remote-video.active { display:block; }

#local-video {
    position:absolute; top:18px; right:14px;
    width:90px; height:130px; border-radius:14px;
    object-fit:cover; z-index:10;
    border:2px solid rgba(255,255,255,.25);
    box-shadow:0 4px 16px rgba(0,0,0,.5);
    display:none; background:#111; cursor:pointer;
}
#local-video.active { display:block; }

.call-overlay-content {
    position:relative; z-index:5;
    display:flex; flex-direction:column; align-items:center;
    width:100%; padding:60px 30px 40px;
    flex:1; justify-content:space-between;
}
.call-avatar-wrap { display:flex; flex-direction:column; align-items:center; gap:14px; }
.call-avatar-ring { position:relative; display:flex; align-items:center; justify-content:center; }
.call-avatar-ring::before, .call-avatar-ring::after {
    content:''; position:absolute; border-radius:50%;
    border:2px solid rgba(255,255,255,.15);
    animation:callRingPulse 2.4s ease-out infinite;
}
.call-avatar-ring::before { width:130px; height:130px; animation-delay:0s; }
.call-avatar-ring::after  { width:170px; height:170px; animation-delay:.6s; }
@keyframes callRingPulse { 0%{transform:scale(.8);opacity:.8} 100%{transform:scale(1.2);opacity:0} }

.call-avatar-img {
    width:96px; height:96px; border-radius:50%;
    background:linear-gradient(135deg, var(--primary), var(--primary-dark));
    display:flex; align-items:center; justify-content:center;
    font-size:38px; font-weight:700; color:#fff;
    box-shadow:0 8px 28px rgba(0,0,0,.4);
    overflow:hidden; z-index:1; position:relative;
}
.call-avatar-img img { width:100%; height:100%; object-fit:cover; }

.call-partner-name { font-size:24px; font-weight:700; color:#fff; text-shadow:0 2px 8px rgba(0,0,0,.3); }
.call-status-text  { font-size:13px; color:rgba(255,255,255,.55); display:flex; align-items:center; gap:6px; }
.call-status-dot   { width:6px; height:6px; border-radius:50%; background:var(--success); animation:dotBlink 1.2s ease-in-out infinite; }
@keyframes dotBlink { 0%,100%{opacity:1} 50%{opacity:.2} }
.call-timer { font-size:17px; color:rgba(255,255,255,.75); font-variant-numeric:tabular-nums; }

.call-controls { display:flex; justify-content:center; gap:20px; flex-wrap:wrap; width:100%; }
.call-ctrl-btn { display:flex; flex-direction:column; align-items:center; gap:7px; background:none; border:none; cursor:pointer; color:#fff; }
.call-ctrl-icon {
    width:56px; height:56px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:21px; transition:all .2s ease;
}
.call-ctrl-btn:active .call-ctrl-icon { transform:scale(.9); }
.call-ctrl-icon.muted   { background:rgba(255,255,255,.15); }
.call-ctrl-icon.unmuted { background:rgba(255,255,255,.15); }
.call-ctrl-icon.cam-on  { background:rgba(255,255,255,.15); }
.call-ctrl-icon.cam-off { background:rgba(255,85,85,.35); }
.call-ctrl-icon.speaker { background:rgba(255,255,255,.15); }
.call-ctrl-icon.hangup  { background:#e74c3c; box-shadow:0 4px 18px rgba(231,76,60,.5); }
.call-ctrl-label { font-size:11px; color:rgba(255,255,255,.55); }

/* Incoming call */
.incoming-call-overlay {
    position:fixed; inset:0; z-index:3000;
    display:flex; flex-direction:column;
    align-items:center; justify-content:flex-end;
    background:rgba(0,0,0,.7); backdrop-filter:blur(8px);
    animation:callFadeIn .3s ease-out;
}
.incoming-call-card {
    background:linear-gradient(160deg, #1e1048 0%, #102040 100%);
    border-radius:28px 28px 0 0;
    padding:32px 28px 48px;
    width:100%; max-width:480px;
    display:flex; flex-direction:column; align-items:center; gap:18px;
    box-shadow:0 -8px 32px rgba(0,0,0,.4);
    animation:slideUpCard .4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes slideUpCard { from{transform:translateY(100%)} to{transform:translateY(0)} }

.incoming-call-label { font-size:11px; color:rgba(255,255,255,.45); letter-spacing:2px; text-transform:uppercase; }
.incoming-call-avatar {
    width:84px; height:84px; border-radius:50%;
    background:linear-gradient(135deg, var(--primary), var(--primary-dark));
    display:flex; align-items:center; justify-content:center;
    font-size:34px; font-weight:700; color:#fff;
    overflow:hidden; box-shadow:0 0 0 6px rgba(108,92,231,.2);
}
.incoming-call-avatar img { width:100%; height:100%; object-fit:cover; }
.incoming-call-name { font-size:22px; font-weight:700; color:#fff; }
.incoming-call-type { font-size:13px; color:rgba(255,255,255,.5); }
.incoming-call-actions { display:flex; gap:48px; margin-top:8px; }
.inc-action { display:flex; flex-direction:column; align-items:center; gap:9px; background:none; border:none; cursor:pointer; color:#fff; font-family:inherit; }
.inc-action-icon {
    width:64px; height:64px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:24px; transition:transform .2s ease;
}
.inc-action:active .inc-action-icon { transform:scale(.9); }
.inc-action-icon.reject { background:#e74c3c; box-shadow:0 4px 18px rgba(231,76,60,.4); animation:rejectShake 1.2s ease-in-out infinite; }
.inc-action-icon.accept { background:#00b894; box-shadow:0 4px 18px rgba(0,184,148,.4); animation:acceptPulse 1.2s ease-in-out infinite; }
@keyframes rejectShake { 0%,100%{transform:rotate(-8deg)} 50%{transform:rotate(8deg)} }
@keyframes acceptPulse { 0%,100%{box-shadow:0 4px 18px rgba(0,184,148,.4)} 50%{box-shadow:0 4px 28px rgba(0,184,148,.7)} }
.inc-action-label { font-size:12px; color:rgba(255,255,255,.55); }

/* ── AI loading dot ──────────────────────────── */
.icon-btn {
    width:38px; height:38px; border-radius:50%; border:none;
    background:transparent; color:rgba(var(--text-light);); font-size:17px;
    cursor:pointer; display:flex; align-items:center; justify-content:center; transition:var(--transition);
}
.icon-btn:hover  { background:rgba(255,255,255,.12); color:#fff; }
.icon-btn:active { transform:scale(.9); }