:root {
            --bg: #0b0b0b;
            --bg-card: #141414;
            --bg-card-hover: #202020;
            --bg-input: #1a1a1a;
            --bg-modal: #181818;
            --border: #2c2c2c;
            --border-focus: #d4d4d4;
            --text-primary: #f5f5f5;
            --text-secondary: #b0b0b0;
            --text-muted: #6e6e6e;
            --accent-green: #f5f5f5;
            --accent-green-dark: #d4d4d4;
            --accent-yellow: #9ca3af;
            --accent-yellow-dark: #71717a;
            --accent-gold: #f5c518;
            --on-accent: #0b0b0b;
            --accent-tint-bg: rgba(255, 255, 255, 0.12);
            --accent-yellow-tint-bg: rgba(156, 163, 175, 0.18);
            --danger: #ef4444;
            --danger-bg: rgba(239, 68, 68, 0.12);
            /* Upgraded via Open Props — layered, physically-calibrated shadows */
            --shadow: var(--shadow-3);
            --shadow-lg: var(--shadow-5);
            --radius: 14px;
            --radius-sm: 10px;
            --radius-lg: 20px;
            /* Upgraded easings via Open Props */
            --transition: 0.2s var(--ease-out-3);
            --transition-spring: 0.35s var(--ease-spring-2);
            /* Skeleton shimmer */
            --skeleton-base: #1e1e1e;
            --skeleton-shine: #2c2c2c;
            --font-display: 'Oswald', 'Impact', sans-serif;
            --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
            --green-glow: 0 0 18px rgba(255, 255, 255, 0.15);
            --yellow-glow: 0 0 16px rgba(156, 163, 175, 0.2);
            --overlay: rgba(0, 0, 0, 0.75);
            --header-height: 64px;
            --bottom-nav-height: 70px;
            --logo-dot-color: var(--text-primary);
            --logo-dot-glow: rgba(244, 244, 244, 0.4);
            /* Streak calendar intensity scale. Dark theme flips brightness so
               "hardest" still reads as the strongest cell against a dark
               background (bright, like the existing white accent) instead of
               vanishing as black-on-black — same hue mapping, same relative
               ordering, adapted for contrast rather than a literal color copy. */
            --streak-none: var(--bg-input);
            --streak-rest: #2a2a2a;
            --streak-light: #52525b;
            --streak-moderate: #3b82f6;
            --streak-hard: #f5f5f5;
        }

        [data-theme="light"] {
            --bg: #f4f6fa;
            --bg-card: #ffffff;
            --bg-card-hover: #fafcff;
            --bg-input: #f0f2f5;
            --bg-modal: #ffffff;
            --border: #e6edf4;
            --border-focus: #404040;
            --text-primary: #11181c;
            --text-secondary: #4a5568;
            --text-muted: #8a99aa;
            --accent-green: #1a1a1a;
            --accent-green-dark: #000000;
            --accent-yellow: #6b7280;
            --accent-yellow-dark: #4b5563;
            --accent-gold: #c88a04;
            --on-accent: #ffffff;
            --accent-tint-bg: rgba(0, 0, 0, 0.08);
            --accent-yellow-tint-bg: rgba(107, 114, 128, 0.14);
            --shadow: var(--shadow-3);
            --shadow-lg: var(--shadow-5);
            --skeleton-base: #eaeef3;
            --skeleton-shine: #f5f7fa;
            --green-glow: 0 0 12px rgba(0, 0, 0, 0.12);
            --yellow-glow: 0 0 12px rgba(107, 114, 128, 0.15);
            --overlay: rgba(0, 0, 0, 0.5);
            --danger-bg: rgba(239, 68, 68, 0.08);
            --logo-dot-color: #1a1a1a;
            --logo-dot-glow: rgba(26, 26, 26, 0.2);
            --streak-none: #eef1f5;
            --streak-rest: #ffffff;
            --streak-light: #9ca3af;
            --streak-moderate: #3b82f6;
            --streak-hard: #1a1a1a;
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text-primary);
            min-height: 100vh;
            transition: background var(--transition), color var(--transition);
            line-height: 1.5;
            padding-bottom: var(--bottom-nav-height);
            overflow-x: hidden;
            font-weight: 400;
        }

        .header {
            background: rgba(20, 20, 20, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            row-gap: 8px;
            min-height: var(--header-height);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow);
        }
        [data-theme="light"] .header { background: rgba(255, 255, 255, 0.9); }

        .logo { display: flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
        .logo-img { height: 32px; width: auto; display: block; transition: opacity 0.2s; }
        .logo-img:hover { opacity: 0.85; }
        .logo-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--logo-dot-color); animation: pulse-dot 2s ease-in-out infinite; }
        @keyframes pulse-dot { 0%,100%{box-shadow:0 0 0 0 var(--logo-dot-glow);} 50%{box-shadow:0 0 0 14px rgba(0,0,0,0);} }

        .header-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
        .header-left { display: flex; align-items: center; gap: 10px; }
        .btn {
            font-family: var(--font-body); font-size: 13px; font-weight: 600; padding: 9px 16px;
            border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer;
            transition: all var(--transition); display: inline-flex; align-items: center; gap: 7px;
            white-space: nowrap; min-height: 40px;
        }
        .btn-sm { padding: 6px 12px; font-size: 12px; min-height: 34px; }
        .btn-primary { background: var(--accent-green); color: var(--on-accent); border-color: var(--accent-green); font-weight: 700; }
        .btn-primary:hover { background: var(--accent-green-dark); transform: translateY(-2px); transition: all var(--transition-spring); }
        .btn-outline { background: transparent; border-color: var(--border); color: var(--text-primary); }
        .btn-outline:hover { border-color: var(--accent-green); color: var(--accent-green); background: var(--accent-tint-bg); }
        .btn-ghost { background: transparent; border-color: transparent; color: var(--text-secondary); }
        .btn-ghost:hover { color: var(--text-primary); background: var(--bg-card-hover); }

        .desktop-nav { display: flex; gap: 6px; background: var(--bg-card); border-radius: 60px; padding: 4px; border: 1px solid var(--border); }
        .nav-tab { font-family: var(--font-body); font-size: 13px; font-weight: 600; padding: 8px 20px; border-radius: 40px; border: none; background: transparent; color: var(--text-secondary); cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 7px; }
        .nav-svg { width: 16px; height: 16px; flex-shrink: 0; }
        .btn-svg { width: 15px; height: 15px; flex-shrink: 0; vertical-align: -3px; }
        .nav-tab:hover { color: var(--text-primary); background: var(--bg-card-hover); }
        .nav-tab.active { background: var(--accent-green); color: var(--on-accent); font-weight: 700; box-shadow: var(--green-glow); }

        .bottom-nav {
            position: fixed; bottom: 0; left: 0; right: 0;
            background: rgba(20, 20, 20, 0.9); backdrop-filter: blur(20px);
            border-top: 1px solid var(--border); display: none; align-items: center;
            justify-content: space-around; height: var(--bottom-nav-height); z-index: 100;
            padding-bottom: max(6px, env(safe-area-inset-bottom)); padding-top: 6px;
        }
        [data-theme="light"] .bottom-nav { background: rgba(255, 255, 255, 0.92); }
        .bottom-nav-item {
            display: flex; flex-direction: column; align-items: center; justify-content: center;
            gap: 4px; padding: 6px 12px; border: none; background: transparent;
            color: var(--text-muted); font-size: 11px; font-weight: 600; cursor: pointer;
            border-radius: 40px; min-width: 64px;
        }
        .bottom-nav-item .nav-icon { width: 24px; height: 24px; }
        .bottom-nav-item.active { color: var(--accent-green); background: var(--accent-tint-bg); font-weight: 700; }

        @media (max-width: 768px) { body { padding-bottom: calc(var(--bottom-nav-height) + 4px); } .bottom-nav { display: flex; } .desktop-nav { display: none; } .header { padding: 8px 14px; min-height: 58px; } .logo-img { height: 26px; } .header-right { flex-basis: 100%; justify-content: center; } }
        @media (min-width: 769px) { body { padding-bottom: 20px; } .bottom-nav { display: none; } .desktop-nav { display: flex; } }

        .main-container { max-width: 1000px; margin: 0 auto; padding: 20px 18px 48px; }
        @media (max-width: 640px) { .main-container { padding: 16px 14px 32px; } }
        .page { display: none; animation: fadeSlide 0.3s ease; }
        .page.active { display: block; }
        @keyframes fadeSlide { from{opacity:0;transform:translateY(8px);} to{opacity:1;transform:translateY(0);} }

        /* STAT CARDS */
        .stats-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 28px; }
        .stats-row .stat-card:nth-child(3):last-child { grid-column: span 2; }
        @media (min-width: 600px) { .stats-row { grid-template-columns: repeat(3, 1fr); gap: 18px; } .stats-row .stat-card:nth-child(3):last-child { grid-column: span 1; } .stats-row .skeleton-stat-card:nth-child(3):last-child { grid-column: span 1; } }
        .stats-row .skeleton-stat-card:nth-child(3):last-child { grid-column: span 2; }
        .stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 14px; transition: all 0.2s; box-shadow: var(--shadow); }
        .stat-card:hover { border-color: var(--accent-green); transform: translateY(-3px); background: var(--bg-card-hover); box-shadow: var(--shadow-4); transition: all var(--transition-spring); }
        .stat-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 6px; }
        .stat-value { font-family: var(--font-display); font-size: 32px; line-height: 1; color: var(--text-primary); letter-spacing: 0.5px; font-weight: 600; }
        .stat-value.green { color: var(--accent-green); text-shadow: var(--green-glow); }
        .stat-value.yellow { color: var(--accent-yellow); }
        .stat-sub { font-size: 11px; color: var(--text-secondary); margin-top: 4px; font-weight: 500; }

        /* CARDS */
        .card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; box-shadow: var(--shadow); transition: all 0.2s; }
        .card:hover { border-color: var(--accent-green); box-shadow: 0 12px 28px rgba(0,0,0,0.1); }
        .card-header { font-family: var(--font-display); font-size: 26px; letter-spacing: 0.5px; margin-bottom: 20px; display: flex; align-items: center; gap: 12px; color: var(--text-primary); flex-wrap: wrap; }
        .card-header .icon { font-size: 30px; }

        .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: end; }
        @media (max-width: 550px) { .form-row { grid-template-columns: 1fr; gap: 12px; } }
        .form-group { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
        .form-group label { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); }
        .form-group input, .form-group select {
            font-family: var(--font-body); font-size: 15px; padding: 12px 14px;
            border-radius: var(--radius-sm); border: 2px solid var(--border);
            background: var(--bg-input); color: var(--text-primary);
            transition: all 0.2s; font-weight: 500;
            /* Without these, a grid/flex item's default min-width is `auto`,
               meaning it refuses to shrink below its own intrinsic content
               width — and <select> in particular has a well-known iOS Safari
               quirk where that intrinsic width can exceed its grid cell,
               pushing the element (and its dropdown chevron) past the card's
               right edge instead of respecting the column it's in. Forcing
               width:100% + min-width:0 makes it always fill/shrink to its
               actual grid cell, matching every other input on the row. */
            width: 100%; min-width: 0; max-width: 100%;
        }
        .form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent-green); box-shadow: var(--green-glow); }
        .date-submit-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; margin-top: 12px; }
        @media (max-width: 550px) { .date-submit-row { grid-template-columns: 1fr; } .date-submit-row .btn { width: 100%; justify-content: center; } }

        .table-wrapper { overflow-x: auto; margin: 0 -4px; padding: 0 4px; }
        table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 360px; }
        th { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); text-align: left; padding: 14px 12px; border-bottom: 2px solid var(--border); }
        td { padding: 14px 12px; border-bottom: 1px solid var(--border); font-weight: 500; }
        .num-cell { font-family: var(--font-display); font-size: 19px; letter-spacing: 0.3px; }
        .highlight-pr { color: var(--accent-green); font-weight: 800; }
        .badge { display: inline-block; padding: 4px 12px; border-radius: 40px; font-size: 10px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; }
        .badge-green { background: var(--accent-tint-bg); color: var(--accent-green); }
        .badge-new { background: var(--accent-yellow-tint-bg); color: var(--accent-yellow); }
        .row-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
        .row-action-btn { background: transparent; border: 1px solid var(--border); border-radius: 30px; color: var(--text-secondary); cursor: pointer; font-size: 13px; padding: 7px 12px; transition: all var(--transition); font-weight: 600; }
        .row-action-btn:hover { border-color: var(--accent-green); color: var(--accent-green); background: var(--bg-card-hover); }
        .row-action-btn.danger:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-bg); }

        .modal-overlay {
            position: fixed; inset: 0; background: var(--overlay); z-index: 200;
            display: flex; align-items: center; justify-content: center; backdrop-filter: blur(6px);
            overflow-y: auto; padding: 20px 12px;
            -webkit-overflow-scrolling: touch;
        }
        .modal {
            background: var(--bg-modal); border: 1px solid var(--border); border-radius: var(--radius-lg);
            padding: 24px; width: 100%; max-width: 480px; box-shadow: var(--shadow-lg); position: relative;
            max-height: calc(100vh - 40px); overflow-y: auto; margin: auto;
        }
        .modal::-webkit-scrollbar { width: 6px; }
        .modal::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
        .modal-close-x { position: absolute; top: 18px; right: 18px; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg-input); color: var(--text-secondary); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all var(--transition); }
        .modal-close-x:hover { border-color: var(--accent-green); color: var(--accent-green); background: var(--accent-tint-bg); }
        .modal-close-x svg { width: 16px; height: 16px; }
        .modal h2 { font-family: var(--font-display); font-size: 25px; letter-spacing: 0.5px; margin-bottom: 18px; padding-right: 40px; }
        .modal .form-group { margin-bottom: 14px; }
        .modal-buttons { display: flex; gap: 12px; margin-top: 20px; justify-content: flex-end; flex-wrap: wrap; }

        /* About / Install overlays share the base .modal look but run wider
           and are typographically led (no form fields), so they get their
           own content rhythm rather than reusing .form-group spacing. */
        .modal-wide { max-width: 620px; }
        .about-eyebrow { font-family: var(--font-display); font-size: 13px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
        .about-title { font-family: var(--font-display); font-size: 26px; letter-spacing: 0.3px; line-height: 1.2; margin-bottom: 18px; padding-right: 40px; }
        .about-body p { font-size: 14.5px; line-height: 1.65; color: var(--text-secondary); margin-bottom: 14px; }
        .about-body strong { color: var(--text-primary); }
        .about-divider { height: 1px; background: var(--border); margin: 22px 0; border: none; }
        .about-cta-row { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-top: 4px; }
        .about-cta-row .btn-primary { width: 100%; justify-content: center; font-size: 15px; padding: 14px 20px; }
        .about-link { background: none; border: none; color: var(--text-secondary); font-family: var(--font-body); font-size: 12.5px; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; padding: 4px; }
        .about-link:hover { color: var(--text-primary); }
        .danger-zone { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--danger-bg); }
        .danger-zone-label { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; color: var(--danger); margin-bottom: 8px; }
        .danger-zone-hint { font-size: 11.5px; color: var(--text-muted); margin-top: 6px; }
        .btn-danger-outline { background: none; border: 1.5px solid var(--danger); color: var(--danger); border-radius: 10px; padding: 9px 14px; font-family: var(--font-body); font-weight: 700; font-size: 13px; cursor: pointer; }
        .btn-danger-outline:hover { background: var(--danger-bg); }
        .auth-divider { display: flex; align-items: center; gap: 10px; margin: 14px 0; color: var(--text-muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
        .auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
        .btn-google { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; background: var(--bg-card); border: 1.5px solid var(--border); color: var(--text-primary); border-radius: 10px; padding: 10px 14px; font-family: var(--font-body); font-weight: 700; font-size: 13.5px; cursor: pointer; }
        .btn-google:hover { border-color: var(--text-secondary); }
        .btn-google:disabled { opacity: 0.6; cursor: default; }
        .email-verify-banner { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; background: var(--danger-bg); color: var(--text-primary); font-size: 12.5px; font-weight: 600; padding: 8px 16px; text-align: center; }
        .email-verify-banner button { background: none; border: 1px solid var(--danger); color: var(--danger); border-radius: 8px; padding: 4px 10px; font-family: var(--font-body); font-weight: 700; font-size: 11.5px; cursor: pointer; }
        .email-verify-banner button:hover { background: var(--danger-bg); }

        /* Streak / journal modal */
        .streak-count-badge { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-display); font-size: 13px; letter-spacing: 0.3px; color: var(--text-secondary); background: var(--bg-input); border: 1px solid var(--border); border-radius: 40px; padding: 5px 12px 5px 10px; margin-left: 6px; }
        button.streak-count-badge { cursor: pointer; transition: all var(--transition); }
        button.streak-count-badge:hover { border-color: var(--border-focus); color: var(--text-primary); }
        .streak-count-badge svg { width: 14px; height: 14px; flex-shrink: 0; }
        .streak-count-badge strong { color: var(--text-primary); font-size: 14px; }
        .streak-tabs { display: flex; gap: 6px; background: var(--bg-input); border-radius: 40px; padding: 4px; margin: 16px 0 18px; }
        .streak-tab-btn { flex: 1; border: none; background: transparent; color: var(--text-secondary); font-family: var(--font-body); font-weight: 700; font-size: 13px; padding: 9px 10px; border-radius: 40px; cursor: pointer; transition: all var(--transition); }
        .streak-tab-btn.active { background: var(--bg-card); color: var(--text-primary); box-shadow: var(--shadow); }
        .streak-tab-pane { display: none; }
        .streak-tab-pane.active { display: block; }
        .streak-week-strip { display: flex; justify-content: space-between; gap: 6px; margin-bottom: 20px; }
        .streak-week-day { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: 1; }
        .streak-week-day-label { font-size: 10px; font-weight: 700; letter-spacing: 0.5px; color: var(--text-muted); text-transform: uppercase; }
        .streak-week-day-dot { width: 100%; aspect-ratio: 1; max-width: 34px; border-radius: 8px; border: 1px solid var(--border); cursor: pointer; transition: transform var(--transition); }
        .streak-week-day-dot:hover { transform: scale(1.08); }
        .streak-week-day-dot.today { outline: 2px solid var(--text-primary); outline-offset: 2px; }
        .streak-cal-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
        .streak-cal-nav-btn { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg-input); color: var(--text-secondary); display: flex; align-items: center; justify-content: center; cursor: pointer; }
        .streak-cal-nav-btn:hover { color: var(--text-primary); border-color: var(--border-focus); }
        .streak-cal-nav-btn svg { width: 16px; height: 16px; }
        .streak-cal-month-label { font-family: var(--font-display); font-size: 15px; letter-spacing: 0.4px; }
        .streak-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
        .streak-cal-weekday { text-align: center; font-size: 10px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.5px; padding-bottom: 4px; }
        .streak-cal-cell { aspect-ratio: 1; border-radius: 6px; border: 1px solid var(--border); cursor: pointer; position: relative; transition: transform var(--transition); }
        .streak-cal-cell:hover { transform: scale(1.1); z-index: 1; }
        .streak-cal-cell.empty-slot { visibility: hidden; cursor: default; }
        .streak-cal-cell.today { outline: 2px solid var(--text-primary); outline-offset: 1px; }
        .streak-cal-legend { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
        .streak-legend-item { display: flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 600; color: var(--text-secondary); }
        .streak-legend-swatch { width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--border); flex-shrink: 0; }
        .streak-intensity-row { display: flex; gap: 8px; margin-bottom: 16px; }
        .streak-intensity-btn { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 6px; border-radius: var(--radius-sm); border: 2px solid var(--border); background: var(--bg-input); color: var(--text-secondary); font-family: var(--font-body); font-weight: 700; font-size: 11.5px; cursor: pointer; transition: all var(--transition); }
        .streak-intensity-swatch { width: 20px; height: 20px; border-radius: 5px; border: 1px solid var(--border); }
        .streak-intensity-btn.active { border-color: var(--border-focus); color: var(--text-primary); background: var(--bg-card-hover); }
        .streak-journal-date { font-size: 12.5px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
        .streak-journal-textarea { width: 100%; min-height: 110px; resize: vertical; font-family: var(--font-body); font-size: 14px; padding: 12px; border-radius: var(--radius-sm); border: 2px solid var(--border); background: var(--bg-input); color: var(--text-primary); }
        .streak-journal-textarea:focus { outline: none; border-color: var(--border-focus); }
        .install-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 4px; }
        @media (max-width: 520px) { .install-columns { grid-template-columns: 1fr; } }
        .install-col h3 { font-family: var(--font-display); font-size: 15px; letter-spacing: 0.5px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
        .install-col ol { list-style: none; counter-reset: step; display: flex; flex-direction: column; gap: 10px; }
        .install-col li { counter-increment: step; font-size: 13px; line-height: 1.5; color: var(--text-secondary); padding-left: 30px; position: relative; }
        .install-col li::before { content: counter(step); position: absolute; left: 0; top: -1px; width: 20px; height: 20px; border-radius: 50%; background: var(--bg-input); border: 1px solid var(--border); color: var(--text-primary); font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center; }

        .toast-container { position: fixed; top: 70px; right: 16px; z-index: 300; display: flex; flex-direction: column; gap: 10px; }
        .toast { background: var(--bg-card); border-left: 4px solid var(--accent-green); border-radius: var(--radius-sm); padding: 14px 18px; font-weight: 600; font-size: 13px; color: var(--text-primary); box-shadow: var(--shadow-lg); backdrop-filter: blur(12px); animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.8s forwards; }
        @keyframes slideInRight { from{transform:translateX(120%);opacity:0} to{transform:translateX(0);opacity:1} }
        @keyframes fadeOut { to{opacity:0;transform:translateY(-10px)} }

        .empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
        .empty-state .emoji { font-size: 52px; display: block; margin-bottom: 12px; } .empty-state .emoji svg { width: 48px; height: 48px; stroke: var(--text-muted); }
        .user-indicator { font-size: 13px; font-weight: 700; background: var(--accent-tint-bg); padding: 5px 12px; border-radius: 40px; color: var(--accent-green); display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
        .avatar-circle { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-input); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; border: 2px solid var(--border); }
        .leaderboard-rank { font-family: var(--font-display); font-size: 28px; text-align: center; width: 60px; }
        .leaderboard-rank.gold { color: #f5c518; }
        .leaderboard-rank.silver { color: #c0c0c0; }
        .leaderboard-rank.bronze { color: #cd7f32; }
        .hidden { display: none !important; }

        /* ============================================================
           SKELETON LOADING SYSTEM (Open Props powered)
           ============================================================ */
        @keyframes skeleton-sweep {
            0%   { background-position: -200% 0; }
            100% { background-position:  200% 0; }
        }
        .skeleton {
            background: linear-gradient(
                90deg,
                var(--skeleton-base) 25%,
                var(--skeleton-shine) 50%,
                var(--skeleton-base) 75%
            );
            background-size: 200% 100%;
            animation: skeleton-sweep 1.6s var(--ease-in-out-3) infinite;
            border-radius: var(--radius-sm);
        }

        /* Stat card skeleton */
        .skeleton-stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 14px;
            box-shadow: var(--shadow);
        }
        .skeleton-stat-label  { height: 10px; width: 62%; margin-bottom: 10px; }
        .skeleton-stat-value  { height: 34px; width: 44%; margin-bottom: 8px; }
        .skeleton-stat-sub    { height: 9px;  width: 34%; }

        /* Table row skeletons */
        .skeleton-row td { padding: 14px 12px; border-bottom: 1px solid var(--border); }
        .skeleton-cell    { height: 14px; border-radius: 6px; }
        .skeleton-cell-sm { width: 60px; }
        .skeleton-cell-md { width: 110px; }
        .skeleton-cell-lg { width: 170px; }

        /* Stagger the shimmer sweep across rows */
        .skeleton-row:nth-child(1) .skeleton { animation-delay: 0s; }
        .skeleton-row:nth-child(2) .skeleton { animation-delay: 0.08s; }
        .skeleton-row:nth-child(3) .skeleton { animation-delay: 0.16s; }
        .skeleton-row:nth-child(4) .skeleton { animation-delay: 0.24s; }
        .skeleton-row:nth-child(5) .skeleton { animation-delay: 0.32s; }