:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--dark-color);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
.header {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
}

.header h1 {
    color: var(--dark-color);
    margin-bottom: 20px;
    font-size: 2rem;
}

.header h1 i {
    color: var(--success-color);
}

.header-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--light-color);
    border-radius: 8px;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-card i {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--dark-color);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* Main Content */
.main-content {
    display: grid;
    gap: 30px;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow-lg);
}

.card h2 {
    color: var(--dark-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.card h2 i {
    color: var(--primary-color);
    margin-right: 8px;
}

/* Upload Form */
.upload-form {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group select {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group small {
    color: var(--secondary-color);
    font-size: 0.85rem;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: #475569;
}

.btn-success {
    background: var(--success-color);
    color: white;
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

/* Progress Section */
.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.progress-details {
    display: grid;
    gap: 20px;
}

.progress-info p {
    margin: 10px 0;
    font-size: 1rem;
}

.progress-info strong {
    color: var(--dark-color);
}

.code {
    font-family: 'Courier New', monospace;
    background: var(--light-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-completed {
    background: #d1fae5;
    color: #065f46;
}

.badge-in_progress {
    background: #dbeafe;
    color: #1e40af;
}

.badge-failed {
    background: #fee2e2;
    color: #991b1b;
}

.badge-paused {
    background: #fef3c7;
    color: #92400e;
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.stat-item {
    text-align: center;
    padding: 15px;
    background: var(--light-color);
    border-radius: 8px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-text {
    display: block;
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.progress-bar {
    flex: 1;
    height: 30px;
    background: var(--light-color);
    border-radius: 15px;
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.progress-percentage {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--dark-color);
    min-width: 60px;
}

/* Recent Section */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.filters {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.filters select,
.filters input {
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
}

/* Table */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--light-color);
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
    background: var(--light-color);
}

.loading {
    text-align: center;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--secondary-color);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--secondary-color);
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 20px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: white;
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideInRight 0.3s;
}

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

.toast.error {
    border-left: 4px solid var(--danger-color);
}

.toast.info {
    border-left: 4px solid var(--primary-color);
}

.toast i {
    font-size: 1.5rem;
}

.toast.success i {
    color: var(--success-color);
}

.toast.error i {
    color: var(--danger-color);
}

.toast.info i {
    color: var(--primary-color);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }

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

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.5rem;
    }

    .header-stats {
        grid-template-columns: 1fr;
    }

    .filters {
        flex-direction: column;
    }

    .progress-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    table {
        font-size: 0.9rem;
    }

    th,
    td {
        padding: 10px;
    }

    .modal-content {
        width: 95%;
    }
}

/* Utility Classes */
.text-success {
    color: var(--success-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.hidden {
    display: none !important;
}

.spinning {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}
/* File Input Custom Styles */
.file-input-wrapper {
    position: relative;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
}

.file-input-display {
    padding: 40px 20px;
    border: 3px dashed var(--border-color);
    border-radius: 12px;
    text-align: center;
    background: var(--light-color);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.file-input-display:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.file-input-display.dragover {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
    transform: scale(1.02);
}

.file-input-display i {
    font-size: 3rem;
    color: var(--primary-color);
}

.file-input-display span {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
}

.file-input-display small {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.selected-file {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 15px;
    margin-top: 10px;
    background: #ecfdf5;
    border: 2px solid #10b981;
    border-radius: 8px;
    animation: slideIn 0.3s;
}

.selected-file i {
    font-size: 1.5rem;
}

.selected-file strong {
    flex: 1;
    color: var(--dark-color);
}

.btn-clear-file {
    background: transparent;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background 0.3s;
}

.btn-clear-file:hover {
    background: rgba(239, 68, 68, 0.1);
}