* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft JhengHei', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
            color: #fff;
            min-height: 100vh;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            overflow-x: hidden;
        }
        
        .header {
            text-align: center;
            margin: 20px 0 30px;
            width: 100%;
            animation: fadeIn 1.2s ease-out;
        }
        
        h1 {
            font-size: 3.0rem;
            margin-bottom: 10px;
            text-shadow: 0 0 20px rgba(0, 200, 255, 0.7);
            background: linear-gradient(to right, #00c9ff, #92fe9d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 2px;
        }
        
        .subtitle {
            font-size: 1.2rem;
            color: #a0d2eb;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            max-width: 1400px;
            width: 100%;
            margin-bottom: 40px;
        }
        
        .clock-container {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 25px;
            padding: 35px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            min-width: 500px;
            display: flex;
            flex-direction: column;
            align-items: center;
            animation: slideUp 0.8s ease-out;
        }
        
        .clock {
            font-size: 7rem;
            font-weight: 800;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 25px 0;
            text-shadow: 0 0 25px rgba(0, 200, 255, 0.8);
            height: 180px;
            letter-spacing: 3px;
            font-family: 'Courier New', monospace;
        }
        
        .colon {
            margin: 0 15px;
            animation: pulse 1.2s infinite;
            transform: translateY(-5px);
        }
        
        @keyframes pulse {
            0% { opacity: 0.3; }
            50% { opacity: 1; }
            100% { opacity: 0.3; }
        }
        
        .controls {
            display: flex;
            gap: 20px;
            margin: 25px 0;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .btn {
            background: rgba(255, 255, 255, 0.15);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 50px;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .btn:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }
        
        .btn.active {
            background: linear-gradient(45deg, #00c9ff, #92fe9d);
            color: #000;
            font-weight: 600;
        }
        
        .alarm-container {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 25px;
            padding: 35px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            min-width: 500px;
            display: flex;
            flex-direction: column;
            animation: slideUp 0.8s ease-out 0.2s;
            animation-fill-mode: backwards;
        }
        
        .alarm-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }
        
        h2 {
            font-size: 2.2rem;
            background: linear-gradient(to right, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        
        .alarm-form {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .form-group {
            flex: 1;
            min-width: 200px;
        }
        
        label {
            display: block;
            margin-bottom: 10px;
            font-weight: 500;
            color: #ddd;
            font-size: 1.1rem;
        }
        
        input, textarea {
            width: 100%;
            padding: 16px;
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(0, 0, 0, 0.4);
            color: white;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        
        input:focus, textarea:focus {
            outline: none;
            border-color: #00c9ff;
            box-shadow: 0 0 0 3px rgba(0, 201, 255, 0.2);
        }
        
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        
        .set-alarm-btn {
            background: linear-gradient(45deg, #f7971e, #ffd200);
            color: #000;
            font-weight: 700;
            padding: 18px 0;
            border: none;
            border-radius: 15px;
            cursor: pointer;
            font-size: 1.3rem;
            transition: all 0.3s ease;
            width: 100%;
            margin-top: 10px;
            letter-spacing: 1px;
            box-shadow: 0 5px 15px rgba(247, 151, 30, 0.3);
        }
        
        .set-alarm-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(247, 151, 30, 0.5);
        }
        
        .alarms-list {
            margin-top: 20px;
            max-height: 400px;
            overflow-y: auto;
            padding-right: 10px;
        }
        
        .alarms-list::-webkit-scrollbar {
            width: 8px;
        }
        
        .alarms-list::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
        }
        
        .alarms-list::-webkit-scrollbar-thumb {
            background: linear-gradient(45deg, #00c9ff, #92fe9d);
            border-radius: 10px;
        }
        
        .alarm-item {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 18px;
            padding: 22px;
            margin-bottom: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            animation: slideIn 0.5s ease;
            transition: all 0.3s ease;
            border-left: 5px solid #00c9ff;
        }
        
        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(25px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .alarm-item:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateX(5px);
        }
        
        .alarm-info {
            flex: 1;
        }
        
        .alarm-time {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #00c9ff;
            font-family: 'Courier New', monospace;
        }
        
        .alarm-note {
            font-size: 1.2rem;
            color: #e0e0e0;
            line-height: 1.5;
        }
        
        .delete-btn {
            background: rgba(255, 75, 75, 0.2);
            color: #ff6b6b;
            border: none;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        
        .delete-btn:hover {
            background: rgba(255, 75, 75, 0.3);
            color: #ff3b3b;
            transform: rotate(90deg) scale(1.1);
        }
        
        .empty-alarms {
            text-align: center;
            padding: 40px 30px;
            color: #aaa;
            font-size: 1.3rem;
            border: 2px dashed rgba(255, 255, 255, 0.1);
            border-radius: 15px;
        }
        
        .notification {
            position: fixed;
            top: 30px;
            right: 30px;
            background: rgba(0, 0, 0, 0.85);
            color: white;
            padding: 25px;
            border-radius: 18px;
            border-left: 6px solid #ffd200;
            transform: translateX(150%);
            transition: transform 0.5s ease;
            max-width: 450px;
            z-index: 1000;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            backdrop-filter: blur(10px);
            display: none;
        }
        
        .notification.show {
            display: block;
            animation: slideNotify 0.6s ease forwards;
        }
        
        @keyframes slideNotify {
            0% {
                transform: translateX(150%);
            }
            80% {
                transform: translateX(-10px);
            }
            100% {
                transform: translateX(0);
            }
        }
        
        .notification-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .notification-title {
            font-weight: 700;
            font-size: 1.5rem;
            color: #ffd200;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .notification-content {
            font-size: 1.3rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        
        .notification-time {
            color: #00c9ff;
            font-size: 1.1rem;
            font-style: italic;
        }
        
        .close-btn {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }
        
        .close-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(90deg);
        }
        
        .footer {
            text-align: center;
            color: #aaa;
            font-size: 1.1rem;
            margin-top: auto;
            padding: 20px;
            width: 100%;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @media (max-width: 1100px) {
            .container {
                flex-direction: column;
                align-items: center;
            }
            
            .clock-container, .alarm-container {
                width: 100%;
                min-width: auto;
            }
        }
        
        @media (max-width: 650px) {
            .clock {
                font-size: 5rem;
            }
            
            h1 {
                font-size: 2.5rem;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .alarm-time {
                font-size: 1.7rem;
            }
            
            .btn {
                padding: 12px 20px;
                font-size: 1.1rem;
            }
            
            .clock-container, .alarm-container {
                padding: 25px;
            }
        }
        
        @media (max-width: 480px) {
            .clock {
                font-size: 3.8rem;
                height: 130px;
            }
            
            .colon {
                margin: 0 8px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .subtitle {
                font-size: 1rem;
            }
        }