/* ============================================
   URL Shortener - Main Stylesheet
   ============================================ */

:root {
    --primary: #6c5ce7;
    --primary-dark: #5a4bd1;
    --primary-light: #a29bfe;
    --success: #00b894;
    --danger: #e17055;
    --warning: #fdcb6e;
    --dark: #2d3436;
    --gray: #636e72;
    --gray-light: #b2bec3;
    --gray-lighter: #dfe6e9;
    --white: #ffffff;
    --bg: #f8f9fa;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ─── Header ─────────────────────────────── */

.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-lighter);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

/* ─── Hero ───────────────────────────────── */

.main {
    flex: 1;
    padding: 40px 0 60px;
}

.hero {
    text-align: center;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.1rem;
    color: var(--gray);
}

/* ─── Shortener Card ─────────────────────── */

.shortener-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 50px;
}

.input-group {
    display: flex;
    gap: 10px;
}

.url-input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.url-input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

/* ─── Buttons ────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-lighter);
    color: var(--dark);
}

.btn-secondary:hover {
    background: var(--gray-light);
}

.btn-copy {
    background: var(--primary);
    color: var(--white);
    padding: 12px 20px;
}

.btn-copy:hover {
    background: var(--primary-dark);
}

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

.btn-danger:hover {
    background: #d63031;
}

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

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

/* ─── Result ─────────────────────────────── */

.result {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--gray-lighter);
    animation: fadeIn 0.4s ease;
}

.result-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--success);
}

.result-box {
    display: flex;
    gap: 10px;
}

.result-input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--success);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 500;
    color: var(--dark);
    background: #f0fff4;
    outline: none;
}

.result-actions {
    margin-top: 12px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Features ───────────────────────────── */

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.feature {
    text-align: center;
    padding: 25px 15px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.feature h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: var(--dark);
}

.feature p {
    font-size: 0.9rem;
    color: var(--gray);
}

/* ─── Alerts ─────────────────────────────── */

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-weight: 500;
    animation: fadeIn 0.3s ease;
}

.alert-error {
    background: #ffeaa7;
    color: #d63031;
    border: 1px solid #fdcb6e;
}

.alert-success {
    background: #dfe6e9;
    color: #00b894;
    border: 1px solid #00b894;
}

/* ─── Countdown Page ─────────────────────── */

.countdown-page {
    background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    min-height: 100vh;
}

.countdown-container {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    padding: 20px 16px;
}

.countdown-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.countdown-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.countdown-card h1 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--dark);
    line-height: 1.3;
}

.countdown-card > p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.countdown-progress {
    width: 100%;
    height: 8px;
    background: var(--gray-lighter);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 4px;
    transition: width 1s linear;
    width: 100%;
}

.countdown-number {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 15px;
    font-variant-numeric: tabular-nums;
}

.countdown-status {
    margin-bottom: 20px;
    min-height: 24px;
}

.status-waiting {
    color: var(--gray);
    font-size: 0.95rem;
}

.status-ready {
    color: var(--success);
    font-weight: 600;
    font-size: 1.05rem;
}

.btn-continue {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 16px 30px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition);
}

.btn-continue.disabled {
    background: var(--gray-lighter);
    color: var(--gray);
    pointer-events: none;
    cursor: not-allowed;
}

.btn-continue.enabled {
    background: var(--success);
    color: var(--white);
    cursor: pointer;
}

.btn-continue.enabled:hover {
    background: #00a884;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 184, 148, 0.4);
}

.countdown-footer {
    margin-top: 16px;
    font-size: 0.82rem;
    color: var(--gray-light);
}

/* ─── Footer ─────────────────────────────── */

.footer {
    text-align: center;
    padding: 20px;
    color: var(--gray);
    font-size: 0.9rem;
    border-top: 1px solid var(--gray-lighter);
    background: var(--white);
}

/* ─── Admin Layout ───────────────────────── */

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 240px;
    background: var(--dark);
    color: var(--white);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 10px;
}

.sidebar-header h2 {
    font-size: 1.2rem;
    color: var(--primary-light);
}

.sidebar-header small {
    color: var(--gray-light);
    font-size: 0.8rem;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.sidebar-nav a .icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.admin-content {
    flex: 1;
    margin-left: 240px;
    padding: 30px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.admin-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
}

/* ─── Stats Cards ────────────────────────── */

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

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

/* ─── Table ──────────────────────────────── */

.table-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    border-bottom: 1px solid var(--gray-lighter);
}

.table-header h2 {
    font-size: 1.1rem;
}

.search-form {
    display: flex;
    gap: 8px;
}

.search-form input {
    padding: 8px 14px;
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
    min-width: 220px;
}

.search-form input:focus {
    border-color: var(--primary-light);
}

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

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-lighter);
    font-size: 0.9rem;
}

th {
    background: var(--bg);
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
}

tr:hover {
    background: #f8f9fa;
}

.url-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

.badge-active {
    background: #d4edda;
    color: #155724;
}

.badge-disabled {
    background: #f8d7da;
    color: #721c24;
}

.actions {
    display: flex;
    gap: 6px;
}

/* ─── Login Page ─────────────────────────── */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
}

.login-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-card h1 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 1.5rem;
    color: var(--dark);
}

.login-card .subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--dark);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.btn-block {
    width: 100%;
}

/* ─── Settings Form ──────────────────────── */

.settings-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    max-width: 600px;
}

.settings-card h2 {
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.toggle-switch {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-switch input[type="checkbox"] {
    width: 44px;
    height: 24px;
    appearance: none;
    background: var(--gray-lighter);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    border: none;
}

.toggle-switch input[type="checkbox"]::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--white);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch input[type="checkbox"]:checked {
    background: var(--success);
}

.toggle-switch input[type="checkbox"]:checked::before {
    left: 23px;
}

/* ─── Error Pages ────────────────────────── */

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

.error-card {
    max-width: 450px;
}

.error-code {
    font-size: 6rem;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 10px;
}

.error-card h1 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.error-card p {
    color: var(--gray);
    margin-bottom: 25px;
}

/* ─── Content Sections ───────────────────── */

.content-sections {
    margin-top: 40px;
}

.content-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary);
}

.content-card-compact {
    border-left: 4px solid var(--success);
    margin-top: 20px;
}

.content-header {
    margin-bottom: 14px;
}

.content-badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.content-badge-article { background: #dfe6fd; color: var(--primary-dark); }
.content-badge-tip { background: #d4edda; color: #155724; }
.content-badge-info { background: #fff3cd; color: #856404; }
.content-badge-faq { background: #f8d7da; color: #721c24; }
.content-badge-job_info { background: #d1ecf1; color: #0c5460; }

.content-body h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.content-body h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin: 14px 0 8px;
}

.content-body p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 12px;
    font-size: 1rem;
}

.content-body ul, .content-body ol {
    margin: 10px 0 14px 18px;
    color: #555;
}

.content-body li {
    margin-bottom: 8px;
    line-height: 1.7;
    font-size: 0.98rem;
}

.content-body strong {
    color: var(--dark);
    font-weight: 700;
}

.content-body code {
    background: #f4f6fb;
    padding: 3px 10px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.88em;
    color: var(--primary-dark);
    display: block;
    margin: 10px 0;
    word-break: break-all;
    border: 1px solid #e8ecf5;
}

.content-body .info-box {
    background: #eef4ff;
    border: 1px solid #c5d0f7;
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    margin: 14px 0;
}

.info-box h4 {
    margin-top: 0;
}

/* ─── Ad Containers ─────────────────────── */

.ad-container {
    margin: 15px 0;
    text-align: center;
}

.ad-container ins {
    display: block !important;
}

.ad-placeholder {
    background: var(--bg);
    border: 2px dashed var(--gray-lighter);
    border-radius: var(--radius-sm);
    padding: 15px;
    text-align: center;
    color: var(--gray);
    font-size: 0.9rem;
}

/* ─── Countdown Page Ads & Content ───────── */

.cd-ad-zone {
    padding: 12px 0;
    background: rgba(255,255,255,0.15);
}

.cd-ad-zone .container {
    max-width: 700px;
    margin: 0 auto;
}

.cd-content-zone {
    padding: 20px 0 30px;
    background: rgba(255,255,255,0.08);
}

.cd-content-zone .container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 16px;
}

.content-card-cd {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary);
}

.content-card-cd .content-body h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.content-card-cd .content-body h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin: 16px 0 8px;
}

.content-card-cd .content-body p {
    color: #444;
    line-height: 1.8;
    margin-bottom: 12px;
    font-size: 1rem;
}

.content-card-cd .content-body ul,
.content-card-cd .content-body ol {
    margin: 10px 0 14px 18px;
    color: #444;
}

.content-card-cd .content-body li {
    margin-bottom: 8px;
    line-height: 1.7;
    font-size: 0.98rem;
}

.content-card-cd .content-body strong {
    color: var(--dark);
    font-weight: 700;
}

.content-card-cd .content-body code {
    background: #f4f6fb;
    padding: 3px 10px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.88em;
    color: var(--primary-dark);
    display: block;
    margin: 10px 0;
    word-break: break-all;
    border: 1px solid #e8ecf5;
}

.content-card-cd .content-body .info-box {
    background: #eef4ff;
    border: 1px solid #c5d0f7;
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    margin: 14px 0;
}

.content-card-cd .content-body .info-box h4 {
    margin-top: 0;
}

.cd-ad-bottom {
    background: rgba(255,255,255,0.15);
}

/* ─── Responsive ─────────────────────────── */

@media (max-width: 768px) {
    .input-group {
        flex-direction: column;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .admin-sidebar {
        display: none;
    }

    .admin-content {
        margin-left: 0;
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .table-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .search-form input {
        min-width: 100%;
    }

    th:nth-child(n+5),
    td:nth-child(n+5) {
        display: none;
    }

    .countdown-number {
        font-size: 3.5rem;
    }

    .result-box {
        flex-direction: column;
    }

    .content-card {
        padding: 20px 16px;
    }

    .content-body h3 {
        font-size: 1.1rem;
    }

    .cd-content-zone .container {
        padding: 0 12px;
    }

    .content-card-cd {
        padding: 20px 16px;
    }

    .content-card-cd .content-body h3 {
        font-size: 1.15rem;
    }
}

@media (max-width: 480px) {
    .shortener-card {
        padding: 20px;
    }

    .countdown-card {
        padding: 30px 20px;
    }

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