/* ======================================================
           COMPRESSHUB v3 — DESIGN PROPOSAL 2
           Responsive + Dark/Light mode + UX focus
        ====================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
        /* ---------- TOKENS DARK (défaut) ---------- */
        :root {
            --bg-page:     #0a0a12;
            --bg-surface:  #111120;
            --bg-card:     #161628;
            --bg-input:    #1e1e35;
            --bg-hover:    #222238;

            --border:        rgba(255,255,255,0.07);
            --border-focus:  rgba(99,102,241,0.5);
            --border-accent: rgba(99,102,241,0.25);

            --text-1: #f0f0ff;
            --text-2: #9494b8;
            --text-3: #505070;

            --accent:    #6366f1;
            --accent-lt: #818cf8;
            --accent-gd: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);

            --success: #10b981;
            --warning: #f59e0b;
            --error:   #ef4444;

            --shadow-sm:  0 1px 4px rgba(0,0,0,0.6);
            --shadow-md:  0 4px 20px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 24px rgba(99,102,241,0.2);

            --sidebar-w: 250px;
            --topbar-h:  60px;
            --radius:    12px;
            --radius-sm: 8px;
            --radius-xs: 6px;

            --transition: 0.2s ease;
        }

        /* ---------- TOKENS LIGHT ---------- */
        [data-theme="light"] {
            --bg-page:    #f4f4f9;
            --bg-surface: #ffffff;
            --bg-card:    #ffffff;
            --bg-input:   #f0f0f8;
            --bg-hover:   #ebebf8;

            --border:        rgba(0,0,0,0.08);
            --border-focus:  rgba(99,102,241,0.5);
            --border-accent: rgba(99,102,241,0.3);

            --text-1: #0f0f2e;
            --text-2: #5a5a8a;
            --text-3: #a0a0c0;

            /* accent-lt plus sombre pour rester lisible sur fond clair */
            --accent-lt: #4f46e5;

            --shadow-sm:   0 1px 4px rgba(0,0,0,0.08);
            --shadow-md:   0 4px 20px rgba(0,0,0,0.1);
            --shadow-glow: 0 0 24px rgba(99,102,241,0.12);
        }

        /* ---------- RESET ---------- */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

        html { scroll-behavior: smooth; }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--bg-page);
            color: var(--text-1);
            min-height: 100vh;
            font-size: 14px;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            transition: background var(--transition), color var(--transition);
        }

        a { text-decoration: none; color: inherit; }
        button { font-family: inherit; cursor: pointer; }

        /* ======================================================
           LAYOUT SHELL
        ====================================================== */
        .app {
            display: flex;
            min-height: 100vh;
        }

        /* ======================================================
           SIDEBAR
        ====================================================== */
        .sidebar {
            width: var(--sidebar-w);
            background: var(--bg-surface);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            position: fixed;
            inset: 0 auto 0 0;
            z-index: 200;
            overflow-y: auto;
            transition: transform var(--transition), background var(--transition), border-color var(--transition);
        }

        /* Mobile: sidebar slides in */
        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: var(--shadow-md);
            }
            .sidebar.open {
                transform: translateX(0);
            }
        }

        /* Overlay behind sidebar on mobile */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 150;
            backdrop-filter: blur(2px);
        }

        @media (max-width: 768px) {
            .sidebar-overlay.show { display: block; }
        }

        /* Logo */
        .sb-logo {
            padding: 20px 18px 16px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sb-logo-mark {
            width: 36px;
            height: 36px;
            background: var(--accent-gd);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 16px;
            flex-shrink: 0;
        }

        .sb-logo-text strong {
            display: block;
            font-size: 15px;
            font-weight: 800;
            letter-spacing: -0.4px;
            color: var(--text-1);
        }

        .sb-logo-text span {
            font-size: 10px;
            color: var(--text-3);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.8px;
        }

        /* Plan badge in logo area */
        .sb-plan {
            margin-left: auto;
            padding: 2px 8px;
            border-radius: 99px;
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            background: rgba(99,102,241,0.12);
            color: var(--accent-lt);
            border: 1px solid rgba(99,102,241,0.2);
        }

        /* Nav */
        .sb-nav {
            flex: 1;
            padding: 12px 10px;
        }

        .sb-section {
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-3);
            padding: 10px 8px 4px;
        }

        .sb-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 10px;
            border-radius: var(--radius-xs);
            color: var(--text-2);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.15s;
            border: 1px solid transparent;
            position: relative;
        }

        .sb-item .sbi-icon {
            width: 18px;
            text-align: center;
            font-size: 13px;
            flex-shrink: 0;
        }

        .sb-item:hover {
            background: var(--bg-hover);
            color: var(--text-1);
        }

        .sb-item.active {
            background: rgba(99,102,241,0.1);
            color: var(--accent-lt);
            border-color: rgba(99,102,241,0.18);
        }

        .sb-item.active .sbi-icon { color: var(--accent); }

        /* Tooltip on hover (desktop) */
        .sb-item .sb-tooltip {
            display: none;
        }

        /* Usage widget */
        .sb-usage {
            margin: 0 10px 10px;
            background: rgba(99,102,241,0.06);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius);
            padding: 12px 13px;
        }

        .sb-usage-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }

        .sb-usage-lbl {
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text-3);
        }

        .sb-usage-val {
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-lt);
        }

        .sb-usage-bar {
            height: 4px;
            background: var(--border);
            border-radius: 99px;
            overflow: hidden;
            margin-bottom: 5px;
        }

        .sb-usage-fill {
            height: 100%;
            background: var(--accent-gd);
            border-radius: 99px;
        }

        .sb-usage-sub {
            font-size: 11px;
            color: var(--text-3);
        }

        /* User mini */
        .sb-user {
            margin: 0 10px 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: var(--radius-xs);
            cursor: pointer;
            transition: background 0.15s;
        }

        .sb-user:hover { background: var(--bg-hover); }

        .sb-avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--accent-gd);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            color: white;
            flex-shrink: 0;
        }

        .sb-user-name { font-size: 12px; font-weight: 600; color: var(--text-1); }
        .sb-user-sub  { font-size: 10px; color: var(--text-3); }

        /* ======================================================
           TOPBAR
        ====================================================== */
        .topbar {
            position: fixed;
            top: 0;
            left: var(--sidebar-w);
            right: 0;
            height: var(--topbar-h);
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 24px;
            gap: 12px;
            z-index: 100;
            transition: left var(--transition), background var(--transition), border-color var(--transition);
        }

        @media (max-width: 768px) {
            .topbar { left: 0; padding: 0 16px; }
        }

        .topbar-menu-btn {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-xs);
            border: 1px solid var(--border);
            background: var(--bg-input);
            color: var(--text-2);
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: background 0.15s, color 0.15s;
        }

        .topbar-menu-btn:hover { background: var(--bg-hover); color: var(--text-1); }

        @media (max-width: 768px) {
            .topbar-menu-btn { display: flex; }
        }

        .topbar-logo-mobile {
            display: none;
            font-size: 15px;
            font-weight: 800;
            color: var(--text-1);
        }

        @media (max-width: 768px) {
            .topbar-logo-mobile { display: block; }
        }

        .topbar-spacer { flex: 1; }

        .topbar-breadcrumb {
            flex: 1;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-1);
            display: flex;
            align-items: center;
            gap: 7px;
        }

        @media (max-width: 768px) {
            .topbar-breadcrumb { display: none; }
        }

        .tb-sep { color: var(--text-3); font-weight: 400; }
        .tb-sub { color: var(--text-2); font-weight: 400; font-size: 13px; }

        /* Theme toggle */
        .theme-toggle {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-xs);
            border: 1px solid var(--border);
            background: var(--bg-input);
            color: var(--text-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.15s;
            flex-shrink: 0;
        }

        .theme-toggle:hover {
            background: var(--bg-hover);
            color: var(--text-1);
            border-color: var(--border-accent);
        }

        /* Upgrade btn */
        .btn-upgrade {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            background: var(--accent-gd);
            color: white;
            border: none;
            border-radius: var(--radius-xs);
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 3px 16px rgba(99,102,241,0.3);
            transition: all 0.15s;
            white-space: nowrap;
        }

        .btn-upgrade:hover { opacity: 0.9; transform: translateY(-1px); }

        @media (max-width: 400px) {
            .btn-upgrade span { display: none; }
        }

        /* ======================================================
           MAIN AREA
        ====================================================== */
        .main {
            margin-left: var(--sidebar-w);
            padding-top: var(--topbar-h);
            flex: 1;
            min-width: 0;
            transition: margin-left var(--transition);
        }

        @media (max-width: 768px) {
            .main { margin-left: 0; }
        }

        .page {
            padding: 28px 28px 60px;
        }

        @media (max-width: 600px) {
            .page { padding: 20px 14px 48px; }
        }

        /* ======================================================
           PAGE HEADER
        ====================================================== */
        .page-hd {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 22px;
        }

        .page-hd-left { flex: 1; }

        .page-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-1);
            letter-spacing: -0.4px;
        }

        .pt-icon {
            width: 34px;
            height: 34px;
            background: rgba(99,102,241,0.1);
            border: 1px solid rgba(99,102,241,0.18);
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 15px;
            flex-shrink: 0;
        }

        .page-desc { color: var(--text-2); font-size: 13px; margin-top: 4px; }

        /* ======================================================
           CARDS
        ====================================================== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
        }

        .card-hd {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .card-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-1);
        }

        .card-title .ct-ic { color: var(--accent); font-size: 13px; }

        /* ======================================================
           GRID
        ====================================================== */
        .grid-main {
            display: grid;
            grid-template-columns: minmax(0,1.15fr) minmax(0,0.85fr);
            gap: 20px;
        }

        @media (max-width: 900px) {
            .grid-main { grid-template-columns: 1fr; }
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        @media (max-width: 500px) {
            .grid-2 { grid-template-columns: 1fr; }
        }

        /* ======================================================
           ALERTS
        ====================================================== */
        .alert {
            display: flex;
            align-items: flex-start;
            gap: 11px;
            padding: 12px 15px;
            border-radius: var(--radius);
            margin-bottom: 16px;
            font-size: 13px;
            border: 1px solid transparent;
        }

        .al-icon { flex-shrink: 0; font-size: 15px; margin-top: 1px; }
        .al-body { flex: 1; }
        .al-body strong { font-weight: 600; display: block; margin-bottom: 1px; }

        .al-action {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 6px;
            padding: 3px 10px;
            border-radius: 99px;
            font-size: 11px;
            font-weight: 600;
            border: 1px solid currentColor;
            cursor: pointer;
            opacity: 0.85;
            transition: opacity 0.15s;
        }

        .al-action:hover { opacity: 1; }

        .alert-info    { background: rgba(99,102,241,0.07); border-color: rgba(99,102,241,0.18); color: var(--accent-lt); }
        .alert-success { background: rgba(16,185,129,0.07); border-color: rgba(16,185,129,0.18); color: #6ee7b7; }
        .alert-warning { background: rgba(245,158,11,0.07); border-color: rgba(245,158,11,0.18); color: #fcd34d; }
        .alert-error   { background: rgba(239,68,68,0.07);  border-color: rgba(239,68,68,0.18);  color: #fca5a5; }

        .alert-info    .al-icon { color: var(--accent); }
        .alert-success .al-icon { color: var(--success); }
        .alert-warning .al-icon { color: var(--warning); }
        .alert-error   .al-icon { color: var(--error); }

        /* ======================================================
           DROPZONE
        ====================================================== */
        .dropzone {
            position: relative;
            border: 2px dashed var(--border);
            border-radius: var(--radius);
            padding: 28px 16px;
            text-align: center;
            cursor: pointer;
            transition: border-color 0.2s, background 0.2s;
        }

        .dropzone:hover, .dropzone.over {
            border-color: rgba(99,102,241,0.5);
            background: rgba(99,102,241,0.03);
        }

        .dropzone input[type="file"] {
            position: absolute;
            inset: 0;
            opacity: 0;
            cursor: pointer;
            width: 100%;
            height: 100%;
        }

        .dz-cloud {
            width: 52px;
            height: 52px;
            background: rgba(99,102,241,0.08);
            border: 1px solid rgba(99,102,241,0.18);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 22px;
            color: var(--accent);
            transition: transform 0.2s;
        }

        .dropzone:hover .dz-cloud { transform: scale(1.05); }

        .dz-t1 { font-size: 14px; font-weight: 600; color: var(--text-1); margin-bottom: 3px; }
        .dz-t2 { font-size: 12px; color: var(--text-3); }

        .dz-formats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 4px;
            margin-top: 12px;
        }

        .fmt {
            padding: 2px 7px;
            background: rgba(99,102,241,0.07);
            border: 1px solid rgba(99,102,241,0.15);
            border-radius: 99px;
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            color: var(--accent-lt);
        }

        /* File chosen */
        .file-chosen {
            display: none;
            align-items: center;
            gap: 12px;
            padding: 10px 13px;
            background: rgba(99,102,241,0.06);
            border: 1px solid rgba(99,102,241,0.18);
            border-radius: var(--radius-sm);
            margin-top: 10px;
        }

        .fc-icon { color: var(--accent); font-size: 20px; }
        .fc-name { font-size: 13px; font-weight: 600; color: var(--text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 180px; }
        .fc-size { font-size: 11px; color: var(--text-3); }
        .fc-rm   { margin-left: auto; color: var(--text-3); cursor: pointer; padding: 4px; border-radius: 4px; transition: color 0.15s, background 0.15s; }
        .fc-rm:hover { color: var(--error); background: rgba(239,68,68,0.1); }

        /* ======================================================
           FORM
        ====================================================== */
        .form-group { margin-bottom: 14px; }

        .form-lbl {
            display: block;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text-2);
            margin-bottom: 6px;
        }

        .form-ctrl {
            width: 100%;
            padding: 9px 12px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            color: var(--text-1);
            font-size: 13px;
            font-family: inherit;
            outline: none;
            appearance: none;
            -webkit-appearance: none;
            transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
        }

        .form-ctrl:focus {
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
        }

        select.form-ctrl {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 9px center;
            background-size: 18px;
            padding-right: 32px;
            cursor: pointer;
        }

        select.form-ctrl option {
            background: var(--bg-input);
            color: var(--text-1);
        }

        /* ======================================================
           BUTTONS
        ====================================================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: var(--radius-xs);
            font-size: 13px;
            font-weight: 600;
            font-family: inherit;
            border: none;
            cursor: pointer;
            transition: all 0.15s;
        }

        .btn-primary {
            background: var(--accent-gd);
            color: white;
            width: 100%;
            padding: 13px;
            font-size: 14px;
            box-shadow: 0 3px 20px rgba(99,102,241,0.28);
        }

        .btn-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(99,102,241,0.38);
        }

        .btn-primary:active { transform: translateY(0); box-shadow: none; }

        .btn-primary:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-2);
            border: 1px solid var(--border);
        }

        .btn-ghost:hover {
            background: var(--bg-hover);
            color: var(--text-1);
        }

        .btn-success {
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
            width: 100%;
            padding: 12px;
            font-size: 14px;
            box-shadow: 0 3px 18px rgba(16,185,129,0.28);
        }

        .btn-success:hover { transform: translateY(-1px); }

        /* ======================================================
           PROGRESS
        ====================================================== */
        .prog-box {
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px;
            margin-top: 14px;
        }

        .prog-hd {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }

        .prog-lbl {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-1);
        }

        .prog-lbl .spin { color: var(--accent); animation: spin 1s linear infinite; }
        @keyframes spin { to { transform: rotate(360deg); } }

        .prog-pct { font-size: 14px; font-weight: 800; color: var(--accent-lt); }

        .prog-track {
            height: 6px;
            background: var(--border);
            border-radius: 99px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .prog-fill {
            height: 100%;
            background: var(--accent-gd);
            border-radius: 99px;
            position: relative;
            overflow: hidden;
            transition: width 0.25s ease;
        }

        .prog-fill::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            animation: shim 1.4s infinite;
        }

        @keyframes shim { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

        .prog-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
        }

        .ps {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 8px 4px;
            text-align: center;
        }

        .ps-val { font-size: 15px; font-weight: 700; color: var(--text-1); }
        .ps-lbl { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 1px; }

        /* ======================================================
           RESULT CARD
        ====================================================== */
        .result-box {
            background: rgba(16,185,129,0.05);
            border: 1px solid rgba(16,185,129,0.18);
            border-radius: var(--radius);
            padding: 16px;
            margin-top: 14px;
        }

        .res-hd {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .res-icon {
            width: 34px;
            height: 34px;
            background: rgba(16,185,129,0.12);
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--success);
            font-size: 16px;
            flex-shrink: 0;
        }

        .res-title { font-size: 14px; font-weight: 600; color: var(--text-1); }
        .res-sub   { font-size: 12px; color: var(--success); }

        .res-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 7px;
            margin-bottom: 14px;
        }

        @media (max-width: 400px) {
            .res-metrics { grid-template-columns: 1fr 1fr; }
        }

        .rm {
            background: var(--bg-input);
            border-radius: var(--radius-xs);
            padding: 9px 6px;
            text-align: center;
        }

        .rm-val { font-size: 14px; font-weight: 700; color: var(--text-1); }
        .rm-val.green { color: var(--success); }
        .rm-lbl { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.4px; margin-top: 2px; }

        /* ======================================================
           STEPS
        ====================================================== */
        .steps { display: flex; flex-direction: column; gap: 10px; }

        .step {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .step-n {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(99,102,241,0.09);
            border: 1px solid rgba(99,102,241,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-lt);
            margin-top: 2px;
        }

        .step-t { font-size: 13px; color: var(--text-2); }

        /* Info tags */
        .itags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .itag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 9px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 99px;
            font-size: 11px;
            color: var(--text-2);
        }

        .itag i { color: var(--accent); font-size: 10px; }

        /* ======================================================
           TOOL CARDS
        ====================================================== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 8px;
        }

        @media (max-width: 420px) {
            .tools-grid { grid-template-columns: repeat(2, 1fr); }
        }

        .tc {
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 12px 8px;
            text-align: center;
            cursor: pointer;
            transition: all 0.18s;
        }

        .tc:hover {
            border-color: var(--border-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .tc.tc-on {
            border-color: rgba(99,102,241,0.35);
            background: rgba(99,102,241,0.07);
        }

        .tc-ic {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 7px;
            font-size: 14px;
        }

        .v  { background: rgba(99,102,241,0.12); color: #818cf8; }
        .a  { background: rgba(20,184,166,0.12);  color: #5eead4; }
        .im { background: rgba(249,115,22,0.12);  color: #fb923c; }
        .ed { background: rgba(236,72,153,0.12);  color: #f472b6; }

        .tc-n { font-size: 11px; font-weight: 600; color: var(--text-1); }

        /* ======================================================
           BADGES
        ====================================================== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 8px;
            border-radius: 99px;
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            border: 1px solid transparent;
        }

        .b-free       { background: rgba(148,163,184,0.08); color: #94a3b8; border-color: rgba(148,163,184,0.15); }
        .b-basic      { background: rgba(99,102,241,0.1);   color: #818cf8; border-color: rgba(99,102,241,0.2); }
        .b-pro        { background: rgba(168,85,247,0.1);   color: #c084fc; border-color: rgba(168,85,247,0.2); }
        .b-enterprise { background: rgba(245,158,11,0.1);   color: #fbbf24; border-color: rgba(245,158,11,0.2); }

        /* ======================================================
           DIVIDER
        ====================================================== */
        .divider {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 36px 0 22px;
            color: var(--text-3);
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .divider::before, .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border);
        }

        /* ======================================================
           PROPOSAL WATERMARK
        ====================================================== */
        .wm {
            position: fixed;
            bottom: 14px;
            right: 14px;
            background: rgba(245,158,11,0.1);
            border: 1px solid rgba(245,158,11,0.25);
            color: #fbbf24;
            padding: 5px 11px;
            border-radius: 99px;
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            z-index: 999;
            pointer-events: none;
        }

        /* ======================================================
           COMPAT — Aliases pour les classes de video.php / audio.php / image.php / editing.php
           (anciens noms → nouveau design system)
        ====================================================== */

        /* form-group label → même style que .form-lbl */
        .form-group label {
            display: block;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text-2);
            margin-bottom: 6px;
        }

        /* form-group select/input → même style que .form-ctrl */
        .form-group select,
        .form-group input[type="text"],
        .form-group input[type="number"],
        .form-group input[type="email"],
        .form-group textarea {
            width: 100%;
            padding: 9px 12px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            color: var(--text-1);
            font-size: 13px;
            font-family: inherit;
            outline: none;
            appearance: none;
            -webkit-appearance: none;
            transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
        }
        .form-group select:focus,
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
        }
        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 9px center;
            background-size: 18px;
            padding-right: 32px;
            cursor: pointer;
        }
        .form-group select option { background: var(--bg-input); color: var(--text-1); }

        /* .file-info — zone affichant le nom du fichier sélectionné */
        .file-info {
            margin-top: 8px;
            padding: 12px 14px;
            background: var(--bg-input);
            border: 2px dashed var(--border);
            border-radius: var(--radius-xs);
            color: var(--text-3);
            font-size: 12px;
            text-align: center;
            cursor: pointer;
            transition: border-color 0.2s, color 0.2s;
        }
        .file-info:hover { border-color: rgba(99,102,241,0.4); color: var(--accent-lt); }
        .file-info.has-file { border-color: rgba(99,102,241,0.3); color: var(--accent-lt); background: rgba(99,102,241,0.04); }

        /* .slider-container — range + valeur côte à côte */
        .slider-container {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 8px 0;
        }
        .slider-container input[type="range"] { flex: 1; }
        .slider-container span {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-lt);
            min-width: 32px;
            text-align: center;
        }

        /* input[type="range"] */
        input[type="range"] {
            -webkit-appearance: none;
            appearance: none;
            width: 100%;
            height: 4px;
            border-radius: 99px;
            background: var(--border);
            outline: none;
            cursor: pointer;
        }
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid white;
            box-shadow: 0 0 0 2px var(--accent);
            cursor: pointer;
        }

        /* .hint — légende basse/haute qualité */
        .hint {
            display: flex;
            justify-content: space-between;
            font-size: 11px;
            color: var(--text-3);
            margin-top: 4px;
        }
        .hint .low  { color: var(--accent-lt); }
        .hint .high { color: #a855f7; }

        /* .plan-limits-info — encart info plan */
        .plan-limits-info {
            padding: 9px 12px;
            background: rgba(99,102,241,0.06);
            border: 1px solid rgba(99,102,241,0.15);
            border-radius: var(--radius-xs);
            color: var(--text-2);
            font-size: 12px;
            margin-bottom: 14px;
        }
        .plan-limits-info strong { color: var(--accent-lt); }

        /* .btn-submit — alias de .btn-primary */
        .btn-submit {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            padding: 13px;
            background: var(--accent-gd);
            color: white;
            border: none;
            border-radius: var(--radius-xs);
            font-size: 14px;
            font-weight: 700;
            font-family: inherit;
            cursor: pointer;
            text-decoration: none;
            margin-top: 14px;
            transition: opacity 0.15s, transform 0.15s;
        }
        .btn-submit:hover { opacity: 0.9; transform: translateY(-1px); }
        .btn-submit:active { transform: none; }

        /* Progress wrappers (upload / compress) */
        .upload-progress-container,
        .progress-container {
            margin-top: 14px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px;
        }
        .upload-progress-container h3,
        .progress-container h3 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-1);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .upload-progress-container h3 i,
        .progress-container h3 i { color: var(--accent); }

        /* .progress-bar-container → alias .prog-track */
        .progress-bar-container {
            position: relative;
            height: 8px;
            background: var(--border);
            border-radius: 99px;
            overflow: hidden;
            margin-bottom: 6px;
        }

        /* .progress-bar → alias .prog-fill */
        .progress-bar {
            height: 100%;
            background: var(--accent-gd);
            border-radius: 99px;
            transition: width 0.25s ease;
        }

        /* .progress-text — % affiché sous la barre */
        .progress-text {
            font-size: 11px;
            color: var(--text-3);
            text-align: right;
        }

        /* .upload-details / .compress-details */
        .upload-details,
        .compress-details {
            font-size: 11px;
            color: var(--text-3);
            margin-top: 6px;
        }

        /* .card.info — card instructionnelle avec ol/li */
        .card.info {
            background: rgba(99,102,241,0.04);
            border-color: rgba(99,102,241,0.15);
        }
        .card h2 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-1);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .card h2 i { color: var(--accent); }
        .card.info ol {
            margin-left: 18px;
            margin-bottom: 12px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .card.info li { color: var(--text-2); font-size: 13px; }
        .card.info p  { color: var(--text-2); font-size: 12px; }
        .card.info strong { color: var(--accent-lt); }

        /* .tools-preview — grille des outils d'édition */
        .tools-preview {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 12px;
            margin: 14px 0;
        }
        .tool-preview {
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px;
        }
        .tool-preview h3 {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-lt);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .tool-preview ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
        .tool-preview ul li {
            font-size: 11px;
            color: var(--text-3);
            padding-left: 12px;
            position: relative;
        }
        .tool-preview ul li::before {
            content: '›';
            position: absolute;
            left: 0;
            color: var(--accent);
        }

        /* .copyright */
        .copyright {
            text-align: center;
            color: var(--text-3);
            font-size: 12px;
            margin-top: 32px;
        }

        /* Light mode compat */
        [data-theme="light"] .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%235a5a8a' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
        }
        [data-theme="light"] .hint .high { color: #7c3aed; }

        /* ======================================================
           LIGHT MODE OVERRIDES (specific tweaks)
        ====================================================== */
        [data-theme="light"] .sb-logo-mark,
        [data-theme="light"] .user-avatar,
        [data-theme="light"] .sb-avatar { box-shadow: 0 2px 10px rgba(99,102,241,0.2); }

        [data-theme="light"] .btn-primary { box-shadow: 0 3px 16px rgba(99,102,241,0.25); }

        [data-theme="light"] .card { box-shadow: 0 1px 8px rgba(0,0,0,0.06); }

        [data-theme="light"] select.form-ctrl {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%235a5a8a' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
        }

        /* Alertes — couleurs lisibles sur fond clair */
        [data-theme="light"] .alert-info    { background: rgba(99,102,241,0.07); border-color: rgba(99,102,241,0.2); color: #3730a3; }
        [data-theme="light"] .alert-success { background: rgba(16,185,129,0.07); border-color: rgba(16,185,129,0.2); color: #065f46; }
        [data-theme="light"] .alert-warning { background: rgba(245,158,11,0.07); border-color: rgba(245,158,11,0.2); color: #92400e; }
        [data-theme="light"] .alert-error   { background: rgba(239,68,68,0.07);  border-color: rgba(239,68,68,0.2);  color: #991b1b; }

        [data-theme="light"] .alert-info    .al-icon { color: #4f46e5; }
        [data-theme="light"] .alert-success .al-icon { color: #059669; }
        [data-theme="light"] .alert-warning .al-icon { color: #d97706; }
        [data-theme="light"] .alert-error   .al-icon { color: #dc2626; }

        /* Icônes d'alertes (syntaxe directe > i) */
        [data-theme="light"] .alert-info    > i { color: #4f46e5; }
        [data-theme="light"] .alert-success > i { color: #059669; }
        [data-theme="light"] .alert-warning > i { color: #d97706; }
        [data-theme="light"] .alert-error   > i { color: #dc2626; }

        /* Progress box en light mode */
        [data-theme="light"] .prog-box { background: #f0f0f8; border-color: rgba(0,0,0,0.08); }
        [data-theme="light"] .prog-track { background: rgba(0,0,0,0.08); }
        [data-theme="light"] .ps { background: #f8f8ff; }

        /* Result box en light mode */
        [data-theme="light"] .result-box { background: rgba(16,185,129,0.06); border-color: rgba(16,185,129,0.25); }
        [data-theme="light"] .res-sub    { color: #059669; }

        /* Dropzone en light mode */
        [data-theme="light"] .dropzone { border-color: rgba(0,0,0,0.15); }
        [data-theme="light"] .dz-main  { color: var(--text-2); }

        /* Hint text */
        [data-theme="light"] .hint { color: var(--text-3); }

        /* Tool cards en light mode */
        [data-theme="light"] .tc { border-color: rgba(0,0,0,0.08); }
        [data-theme="light"] .tc:hover { border-color: rgba(99,102,241,0.35); background: rgba(99,102,241,0.04); }

        /* ======================================================
           SMOOTH THEME TRANSITION
        ====================================================== */
        body, .sidebar, .topbar, .card, .form-ctrl,
        .dropzone, .tc, .prog-box, .result-box,
        .alert, .ps, .rm, .sb-usage, .sb-user {
            transition:
                background var(--transition),
                border-color var(--transition),
                color var(--transition),
                box-shadow var(--transition);
        }

        /* ======================================================
           SCROLL STYLE
        ====================================================== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-3); }