:root {
            --primary: #FF6B6B;
            --accent: #4ECDC4;
            --bg-dark: #2C3E50;
            --text-light: #FFFFFF;
            --shadow: rgba(0, 0, 0, 0.2);
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }

        .gradient-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            background: linear-gradient(45deg, #FF6B6B, #4ECDC4, #95E1D3, #F38181);
            background-size: 400% 400%;
            animation: gradientShift 15s ease infinite;
            transition: filter 0.5s ease;
        }

        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            25% { background-position: 50% 75%; }
            50% { background-position: 100% 50%; }
            75% { background-position: 50% 25%; }
            100% { background-position: 0% 50%; }
        }

        .gradient-bg.work-mode {
            animation: workGradient 12s ease infinite;
        }

        @keyframes workGradient {
            0% { background-position: 0% 50%; filter: saturate(1.2) brightness(1); }
            50% { background-position: 100% 50%; filter: saturate(1.4) brightness(1.1); }
            100% { background-position: 0% 50%; filter: saturate(1.2) brightness(1); }
        }

        .gradient-bg.break-mode {
            background: linear-gradient(45deg, #4ECDC4, #95E1D3, #A8E6CF, #FFD3B6);
            background-size: 400% 400%;
            animation: breakGradient 10s ease infinite;
        }

        @keyframes breakGradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .container {
            width: 90%;
            max-width: 500px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-radius: 32px;
            padding: clamp(32px, 5vw, 48px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.5);
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .container:hover {
            transform: translateY(-4px);
            box-shadow: 0 24px 72px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.5);
        }

        .header {
            margin-bottom: clamp(24px, 4vw, 32px);
        }

        .logo {
            font-size: clamp(48px, 8vw, 64px);
            margin-bottom: 8px;
            animation: bounce 2s ease-in-out infinite;
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        h1 {
            font-size: clamp(28px, 5vw, 36px);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .mode-indicator {
            font-size: clamp(14px, 2.5vw, 16px);
            font-weight: 600;
            color: var(--bg-dark);
            opacity: 0.7;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: all 0.3s ease;
        }

        .mode-indicator.active {
            opacity: 1;
            transform: scale(1.05);
        }

        .timer-display {
            font-family: 'Space Mono', monospace;
            font-size: clamp(64px, 15vw, 96px);
            font-weight: 700;
            color: var(--primary);
            margin: clamp(24px, 4vw, 32px) 0;
            text-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
            transition: all 0.3s ease;
            line-height: 1;
        }

        .timer-display.break-time {
            color: var(--accent);
            text-shadow: 0 4px 12px rgba(78, 205, 196, 0.3);
        }

        .timer-display.pulse {
            animation: timerPulse 1s ease;
        }

        @keyframes timerPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        .progress-ring {
            margin: clamp(16px, 3vw, 24px) auto;
            width: clamp(200px, 40vw, 280px);
            height: 20px;
            background: rgba(0, 0, 0, 0.1);
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 10px;
            transition: width 1s linear;
            box-shadow: 0 2px 8px rgba(255, 107, 107, 0.4);
        }

        .progress-fill.break-time {
            background: linear-gradient(90deg, var(--accent), #95E1D3);
            box-shadow: 0 2px 8px rgba(78, 205, 196, 0.4);
        }

        .session-info {
            display: flex;
            justify-content: center;
            gap: clamp(16px, 3vw, 24px);
            margin: clamp(16px, 3vw, 24px) 0;
            flex-wrap: wrap;
        }

        .session-stat {
            background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
            padding: 12px 24px;
            border-radius: 16px;
            border: 2px solid rgba(255, 107, 107, 0.2);
            transition: all 0.3s ease;
        }

        .session-stat:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .stat-label {
            font-size: clamp(11px, 2vw, 12px);
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--bg-dark);
            opacity: 0.6;
            font-weight: 600;
        }

        .stat-value {
            font-size: clamp(20px, 4vw, 24px);
            font-weight: 700;
            color: var(--primary);
            margin-top: 4px;
        }

        .controls {
            display: flex;
            gap: clamp(12px, 2.5vw, 16px);
            justify-content: center;
            margin-top: clamp(24px, 4vw, 32px);
            flex-wrap: wrap;
        }

        button {
            font-family: 'Poppins', sans-serif;
            font-size: clamp(14px, 2.5vw, 16px);
            font-weight: 600;
            padding: 16px 32px;
            min-height: 56px;
            min-width: 120px;
            border: none;
            border-radius: 16px;
            cursor: pointer;
            transition: all 0.15s ease;
            box-shadow: 0 4px 12px var(--shadow);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px var(--shadow);
        }

        button:active {
            transform: translateY(0) scale(0.97);
        }

        .btn-start {
            background: linear-gradient(135deg, var(--primary), #FF8787);
            color: var(--text-light);
            flex: 1;
            max-width: 200px;
        }

        .btn-start:hover {
            background: linear-gradient(135deg, #FF8787, var(--primary));
        }

        .btn-pause {
            background: linear-gradient(135deg, var(--accent), #6FD9D1);
            color: var(--text-light);
            flex: 1;
            max-width: 200px;
        }

        .btn-pause:hover {
            background: linear-gradient(135deg, #6FD9D1, var(--accent));
        }

        .btn-reset {
            background: linear-gradient(135deg, #95A5A6, #BDC3C7);
            color: var(--text-light);
            padding: 16px 24px;
            min-width: 100px;
        }

        .btn-reset:hover {
            background: linear-gradient(135deg, #7F8C8D, #95A5A6);
        }

        button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none !important;
        }

        .settings {
            margin-top: clamp(24px, 4vw, 32px);
            padding-top: clamp(20px, 3vw, 24px);
            border-top: 2px solid rgba(0, 0, 0, 0.1);
        }

        .settings-title {
            font-size: clamp(14px, 2.5vw, 16px);
            font-weight: 600;
            color: var(--bg-dark);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .time-presets {
            display: flex;
            gap: 8px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .preset-btn {
            background: rgba(255, 107, 107, 0.1);
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 10px 20px;
            min-height: 44px;
            min-width: 80px;
            font-size: clamp(12px, 2vw, 14px);
            border-radius: 12px;
        }

        .preset-btn:hover {
            background: var(--primary);
            color: white;
        }

        .preset-btn.active {
            background: var(--primary);
            color: white;
        }

        .notification {
            position: fixed;
            top: 24px;
            left: 50%;
            transform: translateX(-50%) translateY(-100px);
            background: white;
            padding: 16px 32px;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            font-weight: 600;
            z-index: 1000;
            transition: transform 0.3s ease;
            max-width: 90%;
        }

        .notification.show {
            transform: translateX(-50%) translateY(0);
        }

        .notification.success {
            background: linear-gradient(135deg, #4ECDC4, #95E1D3);
            color: white;
        }

        @keyframes celebrate {
            0%, 100% { transform: scale(1) rotate(0deg); }
            25% { transform: scale(1.1) rotate(-5deg); }
            75% { transform: scale(1.1) rotate(5deg); }
        }

        .celebrating {
            animation: celebrate 0.5s ease;
        }

        @media (max-width: 480px) {
            .controls {
                flex-direction: column;
                align-items: stretch;
            }

            button {
                max-width: 100% !important;
            }

            .session-info {
                gap: 12px;
            }
        }

#__wc_fb_btn{position:fixed;bottom:18px;right:18px;z-index:99999;background:#1a1a2e;border:1px solid rgba(255,255,255,0.12);border-radius:24px;padding:8px 14px;font-size:12px;color:#e2e8f0;cursor:pointer;font-family:system-ui,-apple-system,sans-serif;box-shadow:0 4px 16px rgba(0,0,0,0.3);display:flex;align-items:center;gap:6px;transition:all 0.2s;user-select:none}
#__wc_fb_btn:hover{background:#252540;border-color:rgba(255,255,255,0.2);transform:translateY(-1px)}
#__wc_fb_panel{position:fixed;bottom:64px;right:18px;z-index:99999;background:#0f1624;border:1px solid #1a2d45;border-radius:12px;padding:16px;width:260px;box-shadow:0 8px 32px rgba(0,0,0,0.5);display:none;font-family:system-ui,-apple-system,sans-serif}
#__wc_fb_panel.open{display:block}
.__wc_fb_title{font-size:13px;color:#e2e8f0;margin-bottom:12px;font-weight:500}
.__wc_fb_emojis{display:flex;justify-content:space-around;margin-bottom:12px}
.__wc_fb_emoji{font-size:26px;cursor:pointer;padding:6px;border-radius:8px;transition:all 0.15s;border:2px solid transparent}
.__wc_fb_emoji:hover{background:rgba(255,255,255,0.08);transform:scale(1.1)}
.__wc_fb_emoji.selected{border-color:rgba(196,168,74,0.6);background:rgba(196,168,74,0.08)}
.__wc_fb_prompt{font-size:11px;color:#4a6a90;margin-bottom:6px}
.__wc_fb_ta{width:100%;background:rgba(255,255,255,0.04);border:1px solid #1e2d45;border-radius:6px;padding:8px;color:#e2e8f0;font-size:11px;font-family:system-ui,-apple-system,sans-serif;resize:none;outline:none;box-sizing:border-box;line-height:1.5}
.__wc_fb_ta:focus{border-color:#2a4060}
.__wc_fb_actions{display:flex;gap:6px;margin-top:8px;justify-content:flex-end}
.__wc_fb_skip{font-size:11px;color:#2a4060;cursor:pointer;padding:4px 8px;background:transparent;border:none}
.__wc_fb_send{font-size:11px;color:#c4a84a;background:rgba(196,168,74,0.08);border:0.5px solid rgba(196,168,74,0.3);border-radius:4px;padding:5px 12px;cursor:pointer;font-family:system-ui}
.__wc_fb_send:hover{background:rgba(196,168,74,0.15)}
.__wc_fb_thanks{text-align:center;padding:8px 0;font-size:13px;color:#4ade80}