/* ===== RESET ===== */
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }

        /* ===== CSS VARIABLES ===== */
        :root {
            --bg: #050507;
            --bg-raised: #0c0c10;
            --bg-card: #0f0f14;
            --bg-card-hover: #141419;
            --bg-surface: #1a1a22;
            --border: rgba(255,255,255,0.06);
            --border-hover: rgba(255,255,255,0.12);
            --border-active: rgba(99,102,241,0.4);
            --text: #ffffff;
            --text-secondary: rgba(255,255,255,0.55);
            --text-muted: rgba(255,255,255,0.3);
            --accent: #6366f1;
            --accent-light: #818cf8;
            --accent-glow: rgba(99,102,241,0.15);
            --accent2: #a855f7;
            --accent3: #ec4899;
            --success: #34d399;
            --danger: #f87171;
            --warning: #fbbf24;
            --radius: 20px;
            --radius-sm: 14px;
            --radius-xs: 10px;
            --border-solid: #1e2130;
            --text-dim: #888;
            --text-disabled: #666;
            --text-placeholder: #555;
            --text-label: #8d929d;
            --text-hint: #6b7080;
            --bg-elevated: #161822;
            --success-bright: #5eed87;
            --text-light: #e0e0e0;
            --danger-bright: #ff4d4d;
            --text-subtle: #999;
            --bg-hover: #2a2d3a;
            --success-alt: #22c55e;
        }

        /* ===== BASE ===== */
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 14px;
            line-height: 1.5;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 600;
        }
        a { color: var(--accent-light); text-decoration: none; transition: color 0.2s; }
        a:hover { color: #a5b4fc; }
        img { max-width: 100%; display: block; }
        input, textarea, select, button { font-family: 'Inter', sans-serif; }

        /* ===== FOCUS VISIBLE ===== */
        *:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== SCROLLBAR ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg); }
        ::-webkit-scrollbar-thumb { background: #1e1e28; border-radius: 3px; }
        ::-webkit-scrollbar-thumb:hover { background: #2a2a38; }
        * { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.08) transparent; }

        /* ===== TOP NAVBAR ===== */
        .top-nav {
            position: fixed;
            top: 0; left: 0; right: 0;
            height: 64px;
            background: rgba(5, 5, 7, 0.8);
            backdrop-filter: blur(24px) saturate(180%);
            -webkit-backdrop-filter: blur(24px) saturate(180%);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
        }
        .top-nav__inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
        }
        .top-nav__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-right: 48px;
            text-decoration: none;
        }
        .top-nav__logo-mark {
            width: 32px; height: 32px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 800;
            font-size: 16px;
            color: #fff;
        }
        .top-nav__logo-text {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            font-size: 20px;
            color: #ffffff;
            letter-spacing: -0.5px;
        }
        .top-nav__links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }
        .top-nav__link {
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-xs);
            transition: all 0.2s;
            white-space: nowrap;
        }
        .top-nav__link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }
        .top-nav__link--active {
            color: var(--text);
            background: var(--accent-glow);
        }
        .top-nav__right {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }
        .top-nav__bell {
            width: 40px; height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
            position: relative;
        }
        .top-nav__bell:hover { background: rgba(255, 255, 255, 0.08); border-color: var(--border-hover); }
        .top-nav__bell svg { width: 18px; height: 18px; fill: var(--text-secondary); }
        .top-nav__bell-badge {
            position: absolute;
            top: 6px; right: 6px;
            width: 8px; height: 8px;
            background: var(--danger);
            border-radius: 50%;
            border: 2px solid var(--bg);
        }
        .top-nav__avatar {
            width: 36px; height: 36px;
            border-radius: 50%;
            object-fit: cover;
            cursor: pointer;
            border: 2px solid rgba(255, 255, 255, 0.08);
            transition: border-color 0.2s;
        }
        .top-nav__avatar:hover { border-color: var(--accent); }
        .top-nav__user-dropdown { position: relative; }
        .top-nav__dropdown-menu {
            display: none;
            position: absolute;
            top: 100%; right: 0;
            padding-top: 8px;
            z-index: 100;
        }
        .top-nav__dropdown-menu-inner {
            background: var(--bg-surface);
            border: 1px solid var(--border-hover);
            border-radius: 16px;
            padding: 8px;
            min-width: 200px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
        }
        .top-nav__user-dropdown:hover .top-nav__dropdown-menu { display: block; }
        .top-nav__user-dropdown.open .top-nav__dropdown-menu { display: block; }
        .top-nav__dropdown-item {
            display: block;
            padding: 10px 14px;
            color: var(--text-secondary);
            font-size: 13px;
            border-radius: var(--radius-xs);
            transition: all 0.15s;
        }
        .top-nav__dropdown-item:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }
        .top-nav__dropdown-item--danger { color: var(--danger); }
        .top-nav__dropdown-item--danger:hover { background: rgba(248, 113, 113, 0.1); color: var(--danger); }

        /* ===== MAIN CONTENT ===== */
        .main-content {
            padding-top: 64px;
            min-height: 100vh;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== CARDS ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: border-color 0.2s;
        }
        .card:hover { border-color: var(--border-hover); }
        .card--panel { background: var(--bg-raised); }

        /* ===== BUTTONS ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            font-family: 'Inter', sans-serif;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--accent);
            color: #ffffff;
        }
        .btn--primary:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
        }
        .btn--secondary {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .btn--secondary:hover { background: rgba(255, 255, 255, 0.1); color: var(--text); border-color: var(--border-hover); }
        .btn--ghost {
            background: transparent;
            color: var(--text-secondary);
        }
        .btn--ghost:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
        .btn--sm { padding: 6px 14px; font-size: 12px; border-radius: var(--radius-xs); }
        .btn--lg { padding: 14px 28px; font-size: 15px; border-radius: 16px; }
        .btn--full { width: 100%; }
        .btn--danger { background: rgba(248, 113, 113, 0.1); color: var(--danger); }
        .btn--danger:hover { background: rgba(248, 113, 113, 0.2); }
        .btn--success { background: rgba(52, 211, 153, 0.1); color: var(--success); }
        .btn--success:hover { background: rgba(52, 211, 153, 0.2); }

        /* ===== FORM ELEMENTS ===== */
        .form-group { margin-bottom: 20px; }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text);
            font-size: 14px;
            transition: all 0.25s;
            outline: none;
        }
        .form-input:focus {
            border-color: var(--accent);
            background: rgba(99, 102, 241, 0.05);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }
        .form-input::placeholder { color: var(--text-muted); }
        .form-select {
            width: 100%;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: 12px;
            color: var(--text);
            font-size: 13px;
            outline: none;
            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' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%236b7080' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        .form-select:focus { border-color: var(--accent); }
        .form-checkbox {
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            padding: 6px 0;
        }
        .form-checkbox input[type="checkbox"] {
            width: 18px; height: 18px;
            accent-color: var(--accent);
            cursor: pointer;
        }
        .form-checkbox label {
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
        }
        textarea.form-input { resize: vertical; min-height: 100px; }

        /* ===== AVATAR ===== */
        .avatar {
            border-radius: 50%;
            object-fit: cover;
            flex-shrink: 0;
        }
        .avatar--xs { width: 28px; height: 28px; }
        .avatar--sm { width: 36px; height: 36px; }
        .avatar--md { width: 48px; height: 48px; }
        .avatar--lg { width: 80px; height: 80px; }
        .avatar--xl { width: 120px; height: 120px; }
        .avatar--online { position: relative; }
        .avatar--online::after {
            content: '';
            position: absolute;
            bottom: 2px; right: 2px;
            width: 10px; height: 10px;
            background: var(--success);
            border: 2px solid var(--bg-card);
            border-radius: 50%;
        }

        /* ===== TAGS ===== */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 8px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .tag--blue { background: rgba(99, 102, 241, 0.15); color: var(--accent-light); }
        .tag--green { background: rgba(52, 211, 153, 0.15); color: var(--success); }
        .tag--purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; }
        .tag--orange { background: rgba(251, 146, 60, 0.15); color: #fb923c; }
        .tag--pink { background: rgba(236, 72, 153, 0.15); color: #f472b6; }

        /* ===== BADGE ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 20px; height: 20px;
            padding: 0 6px;
            border-radius: 10px;
            font-size: 11px;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
        }

        /* ===== STATUS ===== */
        .status-dot {
            width: 8px; height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .status-dot--online { background: var(--success); }
        .status-dot--offline { background: var(--text-muted); }

        /* ===== TABS ===== */
        .tabs {
            display: flex;
            gap: 4px;
            background: rgba(255, 255, 255, 0.03);
            padding: 4px;
            border-radius: var(--radius-sm);
        }
        .tab {
            padding: 8px 16px;
            border-radius: var(--radius-xs);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.2s;
            border: none;
            background: none;
        }
        .tab:hover { color: var(--text-secondary); }
        .tab--active {
            background: var(--accent-glow);
            color: var(--accent-light);
        }

        /* ===== SEARCH BAR ===== */
        .search-bar { position: relative; }
        .search-bar__input {
            width: 100%;
            padding: 10px 14px 10px 40px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 13px;
            outline: none;
            transition: all 0.2s;
        }
        .search-bar__input:focus { border-color: var(--accent); background: rgba(99, 102, 241, 0.05); }
        .search-bar__input::placeholder { color: var(--text-muted); }
        .search-bar__icon {
            position: absolute;
            left: 14px; top: 50%;
            transform: translateY(-50%);
        }
        .search-bar__icon svg { width: 16px; height: 16px; fill: var(--text-muted); }

        /* ===== TOGGLE ===== */
        .toggle { position: relative; width: 44px; height: 24px; cursor: pointer; }
        .toggle input { display: none; }
        .toggle__slider {
            position: absolute;
            inset: 0;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            transition: all 0.3s;
        }
        .toggle__slider::after {
            content: '';
            position: absolute;
            width: 18px; height: 18px;
            background: #fff;
            border-radius: 50%;
            top: 3px; left: 3px;
            transition: all 0.3s;
        }
        .toggle input:checked + .toggle__slider { background: var(--accent); }
        .toggle input:checked + .toggle__slider::after { left: 23px; }

        /* ===== SIDEBAR FILTER ===== */
        .filter-section { margin-bottom: 24px; }
        .filter-section__title {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }

        /* ===== USER CARD (participants) ===== */
        .user-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            position: relative;
        }
        .user-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }
        .user-card__header { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
        .user-card__avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
        .user-card__name { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
        .user-card__name a { color: var(--text); }
        .user-card__name a:hover { color: var(--accent-light); }
        .user-card__location { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
        .user-card__desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
        .user-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
        .user-card__actions { display: flex; gap: 8px; }
        .user-card__online-dot {
            position: absolute;
            top: 38px; left: 62px;
            width: 12px; height: 12px;
            background: var(--success);
            border: 2px solid var(--bg-card);
            border-radius: 50%;
        }

        /* ===== MESSENGER ===== */
        .messenger { display: flex; height: calc(100vh - 64px); position: relative; }

        /* --- Sidebar --- */
        .messenger__sidebar {
            width: 320px; background: var(--bg-raised);
            border-right: 1px solid var(--border);
            display: flex; flex-direction: column; flex-shrink: 0;
            transition: transform 0.3s cubic-bezier(.4,0,.2,1);
            z-index: 10;
        }
        .messenger__sidebar-header {
            padding: 16px 20px 12px;
            border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .messenger__sidebar-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
        .search-bar { position: relative; }
        .search-bar__icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; opacity: 0.4; }
        .search-bar__icon svg { width: 16px; height: 16px; fill: currentColor; }
        .search-bar__input {
            width: 100%; padding: 10px 12px 10px 36px;
            background: rgba(255,255,255,0.04); border: 1px solid var(--border);
            border-radius: var(--radius-sm); color: var(--text); font-size: 13px;
            outline: none; font-family: 'Inter', sans-serif;
            transition: border-color 0.2s;
        }
        .search-bar__input:focus { border-color: var(--accent); }
        .search-bar__input::placeholder { color: var(--text-muted); }

        .messenger__dialog-list { flex: 1; overflow-y: auto; overscroll-behavior: contain; }
        .messenger__dialog-list::-webkit-scrollbar { width: 4px; }
        .messenger__dialog-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }

        .messenger__dialog {
            display: flex; align-items: center; gap: 12px;
            padding: 12px 20px; cursor: pointer;
            transition: background 0.15s;
            border-left: 3px solid transparent;
            position: relative;
        }
        .messenger__dialog:hover { background: rgba(255,255,255,0.03); }
        .messenger__dialog--active {
            background: rgba(99,102,241,0.08);
            border-left-color: var(--accent);
        }
        .messenger__dialog-avatar-wrap { position: relative; flex-shrink: 0; }
        .messenger__dialog-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
        .messenger__dialog-online {
            position: absolute; bottom: 1px; right: 1px;
            width: 12px; height: 12px; border-radius: 50%;
            background: #34c759; border: 2px solid var(--bg-raised);
        }
        .messenger__dialog-info { flex: 1; min-width: 0; }
        .messenger__dialog-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 3px; }
        .messenger__dialog-name { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .messenger__dialog-time { font-size: 11px; color: var(--text-muted); flex-shrink: 0; margin-left: 8px; }
        .messenger__dialog-bottom { display: flex; justify-content: space-between; align-items: center; }
        .messenger__dialog-preview { font-size: 13px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }
        .messenger__dialog-preview--typing { color: var(--accent-light); }
        .messenger__dialog-unread {
            min-width: 20px; height: 20px; padding: 0 6px;
            border-radius: 10px; background: var(--accent);
            display: flex; align-items: center; justify-content: center;
            font-size: 11px; font-weight: 700; color: #fff; flex-shrink: 0; margin-left: 8px;
        }

        /* --- Chat --- */
        .messenger__chat {
            flex: 1; display: flex; flex-direction: column; min-width: 0;
            background: var(--bg);
            transition: transform 0.3s cubic-bezier(.4,0,.2,1);
        }
        .messenger__chat-header {
            height: 60px; padding: 0 20px;
            display: flex; align-items: center; gap: 12px;
            border-bottom: 1px solid var(--border);
            background: rgba(5,5,7,0.85);
            backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
            flex-shrink: 0; z-index: 5;
        }
        .messenger__back-btn {
            display: none; width: 36px; height: 36px;
            border: none; background: none; cursor: pointer;
            color: var(--accent-light); font-size: 20px;
            align-items: center; justify-content: center; flex-shrink: 0;
            -webkit-tap-highlight-color: transparent;
        }
        .messenger__chat-header-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; cursor: pointer; }
        .messenger__chat-header-info { flex: 1; min-width: 0; cursor: pointer; }
        .messenger__chat-header-name { font-size: 15px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .messenger__chat-header-status { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }
        .messenger__chat-header-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; margin-left: auto; }

        .status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
        .status-dot--online { background: #34c759; }
        .status-dot--offline { background: var(--text-muted); }

        /* Messages area */
        .messenger__chat-messages {
            flex: 1; overflow-y: auto; padding: 16px 20px;
            display: flex; flex-direction: column; gap: 2px;
            overscroll-behavior: contain;
            scroll-behavior: smooth;
        }
        .messenger__chat-messages::-webkit-scrollbar { width: 4px; }
        .messenger__chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.06); border-radius: 2px; }

        .messenger__date-sep {
            text-align: center; padding: 12px 0;
            font-size: 12px; color: var(--text-muted); font-weight: 500;
            position: relative;
        }
        .messenger__date-sep span {
            background: var(--bg); padding: 4px 14px;
            border-radius: 12px;
            background: rgba(255,255,255,0.04);
        }

        .messenger__message {
            max-width: 70%; display: inline-flex; flex-direction: column;
            animation: msgIn 0.25s cubic-bezier(.4,0,.2,1);
        }
        @keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
        .messenger__message--incoming { align-self: flex-start; }
        .messenger__message--outgoing { align-self: flex-end; }
        .messenger__message--grouped { margin-top: -1px; }
        .messenger__message-bubble {
            padding: 8px 14px; border-radius: 18px;
            font-size: 14px; line-height: 1.45; word-break: break-word;
            position: relative; cursor: default;
            white-space: pre-wrap;
            display: inline-block;
            width: fit-content; max-width: 100%;
        }
        .messenger__message--incoming .messenger__message-bubble {
            background: rgba(255,255,255,0.07);
            color: #e0e0e5;
            border-bottom-left-radius: 4px;
        }
        .messenger__message--incoming.messenger__message--grouped .messenger__message-bubble { border-top-left-radius: 4px; }
        .messenger__message--outgoing .messenger__message-bubble {
            background: var(--accent);
            color: #fff;
            border-bottom-right-radius: 4px;
            box-shadow: 0 1px 8px rgba(99,102,241,0.25);
        }
        .messenger__message--outgoing.messenger__message--grouped .messenger__message-bubble { border-top-right-radius: 4px; }
        .messenger__message-meta {
            display: flex; align-items: center; gap: 4px;
            font-size: 11px; color: var(--text-muted); margin-top: 3px; padding: 0 4px;
        }
        .messenger__message--outgoing .messenger__message-meta { justify-content: flex-end; }
        .messenger__message-check { font-size: 12px; letter-spacing: -2px; }
        .messenger__message-check--read { color: var(--accent-light); }

        /* File in message */
        .messenger__message-file { margin-top: 6px; }
        .messenger__message-img {
            max-width: 280px; max-height: 320px; border-radius: 12px;
            cursor: pointer; object-fit: cover; display: block;
        }
        .messenger__message-video-wrap { position: relative; max-width: 280px; border-radius: 12px; overflow: hidden; cursor: pointer; }
        .messenger__message-video { width: 100%; display: block; }
        .messenger__message-video-play {
            position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
            width: 48px; height: 48px; border-radius: 50%;
            background: rgba(0,0,0,0.55); backdrop-filter: blur(4px);
            display: flex; align-items: center; justify-content: center;
        }
        .messenger__message-video-play::after { content: ''; border-style: solid; border-width: 8px 0 8px 14px; border-color: transparent transparent transparent #fff; margin-left: 2px; }
        .messenger__message-audio { display: flex; align-items: center; gap: 10px; padding: 4px 0; min-width: 200px; }
        .messenger__message-audio-btn {
            width: 32px; height: 32px; border-radius: 50%;
            background: rgba(255,255,255,0.1); border: none; cursor: pointer;
            display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: #fff;
        }
        .messenger__message-audio-wave { flex: 1; height: 24px; background: rgba(255,255,255,0.06); border-radius: 4px; position: relative; overflow: hidden; }
        .messenger__message-audio-progress { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--accent); border-radius: 4px; transition: width 0.1s; }
        .messenger__message-audio-dur { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }
        .messenger__message-doc {
            display: flex; align-items: center; gap: 10px; padding: 8px 12px;
            background: rgba(255,255,255,0.04); border-radius: 10px;
            text-decoration: none; color: inherit; min-width: 180px;
        }
        .messenger__message-doc-icon { width: 36px; height: 36px; border-radius: 8px; background: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 14px; }
        .messenger__message-doc-info { flex: 1; min-width: 0; }
        .messenger__message-doc-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .messenger__message-doc-size { font-size: 11px; color: var(--text-muted); }
        .messenger__message-file-timer {
            display: inline-flex; align-items: center; gap: 4px;
            font-size: 10px; color: var(--text-muted); margin-top: 4px;
            padding: 2px 8px; background: rgba(255,255,255,0.04); border-radius: 8px;
        }
        .messenger__message-expired { font-size: 12px; color: var(--text-muted); font-style: italic; padding: 8px 0; }

        /* Typing indicator */
        .messenger__typing { display: none; align-items: center; gap: 8px; padding: 8px 16px; font-size: 13px; color: var(--text-muted); align-self: flex-start; }
        .messenger__typing.active { display: flex; }
        .messenger__typing-dots { display: flex; gap: 3px; }
        .messenger__typing-dots span {
            width: 6px; height: 6px; border-radius: 50%;
            background: var(--text-muted); animation: typingDot 1.4s infinite;
        }
        .messenger__typing-dots span:nth-child(2) { animation-delay: 0.2s; }
        .messenger__typing-dots span:nth-child(3) { animation-delay: 0.4s; }
        @keyframes typingDot { 0%,60%,100% { transform: translateY(0); opacity: 0.4; } 30% { transform: translateY(-4px); opacity: 1; } }

        /* Input area */
        .messenger__chat-input {
            position: relative;
            padding: 12px 16px;
            padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
            border-top: 1px solid var(--border);
            background: var(--bg-raised);
            flex-shrink: 0;
        }
        .messenger__file-preview {
            display: none; padding: 8px 12px; gap: 8px; align-items: center;
            background: rgba(255,255,255,0.03); border-radius: var(--radius-sm);
            margin-bottom: 8px;
        }
        .messenger__file-preview.active { display: flex; }
        .messenger__file-preview-thumb { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; }
        .messenger__file-preview-info { flex: 1; min-width: 0; }
        .messenger__file-preview-name { font-size: 12px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .messenger__file-preview-size { font-size: 11px; color: var(--text-muted); }
        .messenger__file-preview-remove {
            width: 28px; height: 28px; border-radius: 50%;
            background: rgba(255,255,255,0.06); border: none; cursor: pointer;
            color: var(--text-muted); font-size: 16px; display: flex; align-items: center; justify-content: center;
        }
        .messenger__input-row { display: flex; align-items: flex-end; gap: 8px; }
        .messenger__attach-btn {
            width: 44px; height: 44px; border-radius: var(--radius-sm);
            background: none; border: none; cursor: pointer;
            color: var(--text-muted); font-size: 20px;
            display: flex; align-items: center; justify-content: center;
            transition: color 0.2s; flex-shrink: 0;
            -webkit-tap-highlight-color: transparent;
        }
        .messenger__attach-btn:hover { color: var(--accent-light); }
        .messenger__chat-input textarea {
            flex: 1; padding: 11px 14px;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border);
            border-radius: 22px;
            color: #fff; font-size: 14px;
            resize: none; outline: none;
            max-height: 120px; min-height: 44px;
            font-family: 'Inter', sans-serif;
            line-height: 1.4;
            transition: border-color 0.2s;
        }
        .messenger__chat-input textarea:focus { border-color: var(--accent); }
        .messenger__chat-input textarea::placeholder { color: var(--text-muted); }
        .messenger__char-counter { font-size: 10px; color: var(--text-muted); text-align: right; margin-top: 4px; display: none; }
        .messenger__char-counter.visible { display: block; }
        .messenger__char-counter.warn { color: #ff6b6b; }
        .messenger__send-btn {
            width: 44px; height: 44px;
            border-radius: 50%;
            background: var(--accent);
            border: none; cursor: pointer;
            display: flex; align-items: center; justify-content: center;
            transition: all 0.2s; flex-shrink: 0;
            opacity: 0.4; pointer-events: none;
        }
        .messenger__send-btn.active { opacity: 1; pointer-events: auto; }
        .messenger__send-btn:hover { background: var(--accent-light); transform: scale(1.05); }
        .messenger__send-btn svg { width: 18px; height: 18px; fill: #fff; }

        /* Scroll-to-bottom */
        .messenger__scroll-bottom {
            display: none; position: absolute; bottom: 90px; right: 24px;
            width: 40px; height: 40px; border-radius: 50%;
            background: var(--bg-surface); border: 1px solid var(--border);
            cursor: pointer; align-items: center; justify-content: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3); z-index: 5;
            color: var(--text-secondary); font-size: 18px;
        }
        .messenger__scroll-bottom.visible { display: flex; }
        .messenger__scroll-bottom-badge {
            position: absolute; top: -6px; right: -6px;
            min-width: 18px; height: 18px; padding: 0 5px;
            border-radius: 9px; background: var(--accent);
            font-size: 10px; font-weight: 700; color: #fff;
            display: none; align-items: center; justify-content: center;
        }
        .messenger__scroll-bottom-badge.visible { display: flex; }

        /* --- Right panel --- */
        .messenger__right-panel {
            width: 280px; background: var(--bg-raised);
            border-left: 1px solid var(--border);
            padding: 24px; overflow-y: auto; flex-shrink: 0;
            transition: transform 0.3s cubic-bezier(.4,0,.2,1);
        }
        .messenger__contact-profile { text-align: center; margin-bottom: 24px; }
        .messenger__contact-profile-avatar { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; display: block; }
        .messenger__contact-profile-name { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
        .messenger__contact-profile-city { font-size: 12px; color: var(--text-muted); margin-bottom: 16px; }
        .messenger__contacts-title { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; }
        .messenger__contact-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; cursor: pointer; text-decoration: none; }
        .messenger__contact-item-avatar { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
        .messenger__contact-item-name { font-size: 13px; color: var(--text-secondary); transition: color 0.15s; }
        .messenger__contact-item:hover .messenger__contact-item-name { color: var(--text); }

        /* --- Empty state --- */
        .messenger__empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--text-muted); }
        .messenger__empty svg { width: 72px; height: 72px; fill: #1e1e28; margin-bottom: 20px; }
        .messenger__empty-text { font-size: 15px; }
        .messenger__empty-sub { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

        .messenger__no-dialogs { padding: 60px 20px; text-align: center; color: var(--text-muted); }
        .messenger__no-dialogs svg { width: 56px; height: 56px; fill: rgba(255,255,255,0.04); margin-bottom: 16px; }
        .messenger__no-dialogs-text { font-size: 14px; margin-bottom: 4px; }
        .messenger__no-dialogs-sub { font-size: 12px; color: var(--text-muted); }

        /* Lightbox */
        .messenger__lightbox {
            display: none; position: fixed; inset: 0; z-index: 1000;
            background: rgba(0,0,0,0.92); backdrop-filter: blur(8px);
            align-items: center; justify-content: center; cursor: zoom-out;
        }
        .messenger__lightbox.active { display: flex; }
        .messenger__lightbox img { max-width: 95vw; max-height: 95vh; object-fit: contain; border-radius: 4px; }
        .messenger__lightbox-close {
            position: absolute; top: 16px; right: 16px;
            width: 40px; height: 40px; border-radius: 50%;
            background: rgba(255,255,255,0.1); border: none; cursor: pointer;
            color: #fff; font-size: 22px; display: flex; align-items: center; justify-content: center;
        }

        /* Context menu */
        .messenger__ctx-menu {
            display: none; position: fixed; z-index: 500;
            background: var(--bg-surface); border: 1px solid var(--border);
            border-radius: var(--radius-sm); padding: 4px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.4); min-width: 160px;
        }
        .messenger__ctx-menu.active { display: block; }
        .messenger__ctx-menu-item {
            display: flex; align-items: center; gap: 10px;
            padding: 10px 14px; border-radius: 8px; cursor: pointer;
            font-size: 13px; color: var(--text); transition: background 0.15s;
            border: none; background: none; width: 100%; text-align: left;
        }
        .messenger__ctx-menu-item:hover { background: rgba(255,255,255,0.06); }
        .messenger__ctx-menu-item--danger { color: #ff6b6b; }
        .messenger__ctx-menu-item--danger:hover { background: rgba(255,107,107,0.1); }

        /* Drag overlay */
        .messenger__drag-overlay {
            display: none; position: absolute; inset: 0; z-index: 100;
            background: rgba(99,102,241,0.08); border: 2px dashed var(--accent);
            border-radius: var(--radius); align-items: center; justify-content: center;
            font-size: 16px; font-weight: 600; color: var(--accent-light);
        }
        .messenger__drag-overlay.active { display: flex; }

        /* Pull to refresh */
        .messenger__pull-indicator {
            text-align: center; padding: 0; height: 0; overflow: hidden;
            transition: height 0.2s; color: var(--text-muted); font-size: 12px;
            display: flex; align-items: center; justify-content: center;
        }

        /* ===== MOBILE ===== */
        @media (max-width: 1024px) {
            .messenger__right-panel { display: none; }
        }
        @media (max-width: 768px) {
            .messenger { flex-direction: column; position: relative; }
            .messenger__sidebar {
                position: absolute; inset: 0; width: 100%;
                transform: translateX(0); z-index: 20;
            }
            .messenger__chat {
                position: absolute; inset: 0;
                transform: translateX(100%); z-index: 30;
            }
            .messenger--chat-open .messenger__sidebar { transform: translateX(-30%); }
            .messenger--chat-open .messenger__chat { transform: translateX(0); }
            .messenger--info-open .messenger__right-panel { display: flex; flex-direction: column; position: absolute; inset: 0; width: 100%; z-index: 40; }
            .messenger__back-btn { display: flex; }
            .messenger__message { max-width: 85%; }
            .messenger__chat-header { padding: 0 12px; }
            .messenger__chat-messages { padding: 12px; }
            .messenger__chat-input {
            position: relative;
                padding: 6px 8px;
                padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
            }
            .messenger__input-row { gap: 4px; }
            .messenger__attach-btn { width: 36px; height: 36px; font-size: 18px; }
            .messenger__chat-input textarea {
                min-height: 36px;
                padding: 8px 12px;
                font-size: 16px; /* prevents iOS zoom on focus */
                border-radius: 18px;
            }
            .messenger__send-btn { width: 36px; height: 36px; border-radius: 50%; }
            .messenger__send-btn svg { width: 16px; height: 16px; }
            .messenger__char-counter { display: none !important; }
            .messenger__file-preview { margin-bottom: 4px; padding: 6px 8px; }
            .messenger__file-preview-thumb { width: 32px; height: 32px; }
            .messenger__right-panel { width: 100%; }
        }

        /* ===== STATUS DOT SIZES ===== */
        .status-dot--sm { width: 6px; height: 6px; }



        /* ===== PROFILE PAGE ===== */
        .profile-cover {
            height: 220px;
            background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-raised) 100%);
            border-radius: 0 0 32px 32px;
            position: relative; overflow: hidden;
        }
        .profile-cover img { width: 100%; height: 100%; object-fit: cover; }
        .profile-header {
            display: flex; align-items: flex-end; gap: 28px;
            margin-top: -80px; padding: 0 32px;
            position: relative; z-index: 2;
        }
        .profile-header__avatar {
            width: 200px; height: 200px;
            border-radius: 50%; object-fit: cover;
            border: 5px solid var(--bg);
            box-shadow: 0 8px 32px rgba(0,0,0,0.4);
            flex-shrink: 0;
        }
        .profile-header__info { flex: 1; padding-bottom: 12px; }
        .profile-header__name { font-size: 28px; font-weight: 700; margin-bottom: 6px; }
        .profile-header__meta { display: flex; gap: 16px; color: var(--text-secondary); font-size: 13px; }
        .profile-header__actions { display: flex; gap: 10px; padding-bottom: 8px; }

        .profile-content { padding: 32px; display: grid; grid-template-columns: 1fr 360px; gap: 24px; }
        .profile-section { margin-bottom: 24px; }
        .profile-section__title { font-size: 14px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; }
        .profile-section__text { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

        /* ===== FRIENDS PAGE ===== */
        .friends-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 16px;
        }
        .friend-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            display: flex; align-items: center; gap: 14px;
            transition: all 0.25s;
        }
        .friend-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
        .friend-card__avatar { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
        .friend-card__info { flex: 1; min-width: 0; }
        .friend-card__name { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
        .friend-card__name a { color: var(--text); }
        .friend-card__name a:hover { color: var(--accent-light); }
        .friend-card__city { font-size: 12px; color: var(--text-muted); }
        .friend-card__actions { display: flex; gap: 8px; }

        /* ===== SEARCH / PARTICIPANTS PAGE ===== */
        .search-layout {
            display: flex; gap: 24px; padding: 24px 0;
        }
        .search-sidebar {
            width: 280px; flex-shrink: 0;
        }
        .search-sidebar__inner {
            background: var(--bg-raised);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            position: sticky; top: 88px;
        }
        .search-results { flex: 1; min-width: 0; }
        .search-results__header {
            display: flex; align-items: center;
            justify-content: space-between; margin-bottom: 20px;
        }
        .search-results__title { font-size: 18px; font-weight: 700; }
        .search-results__count { font-size: 13px; color: var(--text-muted); }
        .search-results__grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        @media (max-width: 1200px) { .search-results__grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 900px) { .search-results__grid { grid-template-columns: 1fr; } }

        /* ===== AUTH FORMS ===== */
        .auth-page {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 80px 24px;
            position: relative;
            overflow: hidden;
        }
        .auth-page::before {
            content: '';
            position: absolute;
            top: -200px; left: 50%;
            transform: translateX(-50%);
            width: 600px; height: 600px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .auth-card {
            width: 100%;
            max-width: 420px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 28px;
            padding: 40px;
            position: relative;
            z-index: 1;
        }
        .auth-card__logo { text-align: center; margin-bottom: 32px; }
        .auth-card__logo-text { font-family: 'Space Grotesk', sans-serif; font-size: 24px; font-weight: 700; color: #fff; }
        .auth-card__title { font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 700; text-align: center; margin-bottom: 8px; }
        .auth-card__subtitle { font-size: 14px; color: var(--text-muted); text-align: center; margin-bottom: 32px; }
        .auth-card__footer { text-align: center; margin-top: 24px; font-size: 13px; color: var(--text-muted); }
        .auth-card__footer a { color: var(--accent-light); font-weight: 600; }

        /* ===== FLASH MESSAGES ===== */
        .flash-messages { padding: 16px 0; }
        .flash { padding: 14px 20px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 10px; }
        .flash--error { background: rgba(248, 113, 113, 0.1); color: var(--danger); border: 1px solid rgba(248, 113, 113, 0.2); }
        .flash--success { background: rgba(52, 211, 153, 0.1); color: var(--success); border: 1px solid rgba(52, 211, 153, 0.2); }

        /* ===== FOOTER ===== */
        .footer {
            padding: 40px 0;
            border-top: 1px solid var(--border);
            text-align: center;
            color: var(--text-muted);
            font-size: 12px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 768px) {
            .top-nav__links { display: none; }
            .search-layout { flex-direction: column; }
            .search-sidebar { width: 100%; }
            /* messenger mobile rules moved to messenger CSS section */
            .profile-content { grid-template-columns: 1fr; }
        }