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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1e293b;
    --light: #f8fafc;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 20s infinite ease-in-out;
}

.floating-shape:nth-child(1) {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.floating-shape:nth-child(2) {
    width: 200px;
    height: 200px;
    bottom: -100px;
    right: -100px;
    animation-delay: 5s;
}

.floating-shape:nth-child(3) {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(100px, -100px) rotate(120deg);
    }
    66% {
        transform: translate(-100px, 100px) rotate(240deg);
    }
}

/* Container */
.container {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* App Header */
.app-header {
    text-align: center;
    margin-bottom: 30px;
    color: var(--white);
}

.app-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.app-title i {
    font-size: 2.5rem;
    color: var(--white);
}

.app-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Search Section */
.search-section {
    margin-bottom: 25px;
}

.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

.search-input {
    width: 100%;
    padding: 15px 20px 15px 50px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    color: var(--white);
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* Task Form */
.task-form {
    margin-bottom: 25px;
}

.input-group {
    display: flex;
    gap: 15px;
}

.task-input {
    flex: 1;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    color: var(--white);
    font-size: 16px;
    transition: all 0.3s ease;
}

.task-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.task-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.add-btn {
    padding: 15px 25px;
    background: var(--white);
    color: var(--primary);
    border: none;
    border-radius: 15px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.add-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.add-btn:active {
    transform: translateY(0);
}

/* Stats Container */
.stats-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
}

.stat-icon.completed {
    background: rgba(16, 185, 129, 0.3);
}

.stat-info {
    flex: 1;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Task List */
.task-list-container {
    position: relative;
}

.task-list {
    list-style: none;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

.task-list::-webkit-scrollbar {
    width: 6px;
}

.task-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.task-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.task-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 15px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    animation: slideIn 0.3s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.task-item.completed {
    opacity: 0.7;
}

.task-item.completed .task-text {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.6);
}

/* Task Content - Modifikasi tata letak */
.task-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.task-text-wrapper {
    flex: 1;
    padding-right: 15px;
}

.task-text {
    font-size: 16px;
    color: var(--white);
    margin-bottom: 4px;
    display: block;
}

.task-date {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

/* Task Actions - Modifikasi untuk menampung checkbox dan tombol */
.task-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Checkbox Custom - Modifikasi posisi */
.task-checkbox {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-checkbox input[type="checkbox"]:checked ~ .checkmark {
    background: var(--success);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 8px;
    top: 4px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.task-checkbox input[type="checkbox"]:checked ~ .checkmark:after {
    display: block;
}

/* Action Buttons */
.action-btn {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 8px;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.edit-btn:hover {
    background: rgba(251, 191, 36, 0.3);
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: rgba(255, 255, 255, 0.7);
    display: none;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.1rem;
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    color: var(--dark);
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1000;
    animation: slideIn 0.3s ease forwards;
}

.notification.success {
    border-left: 4px solid var(--success);
}

.notification.error {
    border-left: 4px solid var(--error);
}

.notification.info {
    border-left: 4px solid var(--info);
}

@keyframes slideOut {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.7);
}

.footer i {
    color: var(--secondary);
}

/* Responsive */
@media (max-width: 600px) {
    .app-title {
        font-size: 2.5rem;
    }
    
    .glass-card {
        padding: 20px;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .add-btn {
        width: 100%;
        justify-content: center;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .task-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .task-text-wrapper {
        width: 100%;
        padding-right: 0;
        margin-bottom: 10px;
    }
    
    .task-actions {
        width: 100%;
        justify-content: flex-end;
    }
}