/* ===== URL Shortener - Dark Theme ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a3e;
    --bg-card: rgba(30, 30, 70, 0.6);
    --bg-input: rgba(255, 255, 255, 0.06);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-dim: #64748b;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --accent-glow: rgba(124, 58, 237, 0.3);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border: rgba(255, 255, 255, 0.08);
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
}

/* ===== LOGIN ===== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

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

.login-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* ===== LAYOUT ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text h2 {
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #38bdf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
}

.nav-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    padding: 8px 12px;
    margin-bottom: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    font-size: 0.9rem;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-glow);
    color: var(--accent);
    font-weight: 600;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 24px 32px;
}

.hamburger {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* ===== PAGE HEADER ===== */
.page-header {
    margin-bottom: 24px;
}

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

.subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* ===== STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.stat-icon {
    font-size: 2rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: var(--radius);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ===== CARD ===== */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

/* ===== FORM ===== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
    color: var(--text-dim);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 4px;
    display: block;
}

.slug-preview {
    display: flex;
    align-items: center;
}

.slug-base {
    background: rgba(124, 58, 237, 0.15);
    color: var(--accent);
    padding: 10px 12px;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 0.85rem;
    border: 1px solid var(--border);
    border-right: none;
    white-space: nowrap;
}

.slug-preview .form-input {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 24px;
}

/* ===== BUTTONS ===== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    padding: 6px 10px;
    font-size: 1rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

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

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

th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

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

.slug-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.slug-cell code {
    background: rgba(124, 58, 237, 0.15);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.slug-cell .copy-btn {
    opacity: 0;
    transition: opacity 0.2s;
}

tr:hover .copy-btn {
    opacity: 1;
}

.url-cell {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.clicks-cell {
    font-weight: 600;
    color: var(--accent);
}

.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.action-btns {
    display: flex;
    gap: 4px;
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 16px;
}

.pagination button {
    padding: 6px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.pagination button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination button.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.pagination span {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 520px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.1rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.modal form {
    padding: 24px;
}

/* ===== TOGGLE SWITCH ===== */
.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    transition: 0.3s;
}

.toggle-slider:before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

.toggle input:checked+.toggle-slider {
    background: var(--success);
}

.toggle input:checked+.toggle-slider:before {
    transform: translateX(20px);
}

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: toastIn 0.3s ease-out, toastOut 0.3s ease-in 3s forwards;
}

@keyframes toastIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

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

@keyframes toastOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
        padding-top: 60px;
    }

    .hamburger {
        display: block;
    }

    .card-header {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions {
        flex-direction: column;
    }

    .header-actions .form-input {
        width: 100%;
    }
}