:root {
    --bg-dark: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-input: #252540;
    --accent-primary: #6c5ce7;
    --accent-secondary: #a29bfe;
    --accent-glow: rgba(108, 92, 231, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b8;
    --border-color: #3a3a5c;
    --success: #00d26a;
    --warning: #ffc107;
    --danger: #ff4757;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    min-height: 100vh;
    color: var(--text-primary);
    background-image:
        radial-gradient(ellipse at top, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(162, 155, 254, 0.1) 0%, transparent 50%);
}

a {
    color: var(--accent-secondary);
    text-decoration: none;
}

a:hover {
    color: var(--accent-primary);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.container.narrow {
    max-width: 500px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 30px;
    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.3),
        0 0 60px var(--accent-glow);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), var(--accent-primary));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* Navigation */
.navbar {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .logo {
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar .logo .text {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar .nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.navbar .nav-link {
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.navbar .nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-input);
}

.navbar .nav-link.active {
    color: var(--text-primary);
    background: var(--accent-primary);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.form-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
}

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

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

.btn-block {
    width: 100%;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(255, 71, 87, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-success {
    background: rgba(0, 210, 106, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card .stat-value.stat-emoji {
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 5px;
    text-transform: uppercase;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

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

th,
td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--bg-input);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    font-size: 14px;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(108, 92, 231, 0.05);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(0, 210, 106, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.2);
    color: var(--warning);
}

.badge-primary {
    background: rgba(108, 92, 231, 0.2);
    color: var(--accent-secondary);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.tab {
    flex: 1;
    padding: 12px 20px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.tab:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.tab.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-color: transparent;
    color: white;
}

/* Preset buttons */
.preset-days {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 6px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* Output section */
.output-section {
    margin-top: 25px;
    display: none;
}

.output-section.visible {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.output-box {
    background: var(--bg-input);
    border: 2px solid var(--success);
    border-radius: 12px;
    padding: 16px;
    position: relative;
}

.license-text {
    color: var(--text-primary);
    font-size: 12px;
    word-break: break-all;
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    max-height: 120px;
    overflow-y: auto;
    padding-right: 80px;
}

.copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 8px 14px;
    background: var(--accent-primary);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--accent-secondary);
}

.copy-btn.copied {
    background: var(--success);
}

/* License info */
.license-info {
    margin-top: 15px;
    padding: 15px;
    background: rgba(108, 92, 231, 0.1);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row .label {
    color: var(--text-secondary);
    font-size: 13px;
}

.info-row .value {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
}

/* Page header */
.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.page-header p {
    color: var(--text-secondary);
}

/* Center page */
.center-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Logo */
.logo-large {
    text-align: center;
    margin-bottom: 30px;
}

.logo-large h1 {
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo-large h1 .icon {
    font-size: 32px;
}

.logo-large h1 .text {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-large p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 5px;
}

/* Form footer */
.form-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* User info in navbar */
.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-credits {
    background: rgba(0, 210, 106, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
}

.user-name {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Grid layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Hidden */
.hidden {
    display: none !important;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 30px;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-color);
}

.modal-header {
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 20px;
}

.modal-footer {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.modal-footer .btn {
    flex: 1;
}