/**
 * MUSA TTS - Light Minimalist UI Components
 * Clean borders, soft shadows, modern typography
 */

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 700;
    color: white;
    background: var(--primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* Primary button */
.btn-primary {
    background: var(--primary);
    color: white;
}

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

/* Outline button */
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--surface-1);
    color: var(--text);
    border-color: var(--primary);
}

/* Success button */
.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #16a34a;
    color: white;
}

/* Danger button */
.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    color: white;
}

/* Ghost button */
.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    box-shadow: none;
}

.btn-ghost:hover {
    color: var(--primary);
    background: var(--surface-hover);
    border-color: var(--primary);
}

/* ============================================================================
   CARDS
   ============================================================================ */
.card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-xl);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

.card-elevated {
    box-shadow: var(--shadow-lg);
}

.card-gradient {
    background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface-1) 100%);
}

.card-featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-brutal);
}

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--space-sm);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:hover {
    border-color: var(--text-muted);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:disabled {
    background: var(--surface-1);
    color: var(--text-muted);
    cursor: not-allowed;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23737373'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

/* ============================================================================
   BADGES
   ============================================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

.badge-warning {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.badge-danger {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.badge-info {
    color: var(--info);
    background: rgba(59, 130, 246, 0.1);
}

.badge-primary {
    color: var(--primary);
    background: var(--primary-light);
}

/* ============================================================================
   TABLES
   ============================================================================ */
.table-responsive,
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-2);
}

thead {
    background: var(--surface-1);
    border-bottom: 1px solid var(--border);
}

th {
    padding: var(--space-md) var(--space-lg);
    font-size: 12px;
    font-weight: 700;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

td {
    padding: var(--space-md) var(--space-lg);
    font-size: 14px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition-fast);
}

tbody tr:hover {
    background: var(--surface-1);
}

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

/* ============================================================================
   ALERTS
   ============================================================================ */
.alert {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
    border: 1px solid;
    border-left-width: 3px;
    font-weight: 600;
}

.alert-success {
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--success);
}

.alert-error {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

.alert-warning {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
}

.alert-info {
    color: var(--info);
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--info);
}

/* ============================================================================
   STAT CARDS
   ============================================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.primary {
    background: var(--primary-light);
    color: var(--primary);
}

.stat-icon.success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    font-weight: 600;
    margin-top: var(--space-sm);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.stat-trend.up {
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

.stat-trend.down {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* ============================================================================
   MODALS
   ============================================================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    animation: fadeIn var(--transition-base);
}

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

.modal {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-base);
    box-shadow: var(--shadow-lg);
}

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

.modal-header h3,
.modal-header h4 {
    font-weight: 700;
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--border);
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* ============================================================================
   PAGE HEADER
   ============================================================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.page-header h1 {
    font-size: 28px;
    font-weight: 800;
}

/* ============================================================================
   LICENSE KEY DISPLAY
   ============================================================================ */
.license-key {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    background: var(--surface-1);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    letter-spacing: 0.5px;
    display: block;
}

/* ============================================================================
   PAGINATION
   ============================================================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: var(--space-xl);
    padding: var(--space-lg) 0;
    flex-wrap: wrap;
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination a,
.pagination button {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-md);
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    cursor: pointer;
    font-family: var(--font-sans);
    white-space: nowrap;
}

.pagination a:hover,
.pagination button:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: var(--surface-1);
}

.pagination a.active,
.pagination button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    font-weight: 700;
}

.pagination a.disabled,
.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    background: var(--surface-2);
}

.pagination-prev,
.pagination-next {
    gap: 6px;
}

.pagination-ellipsis {
    min-width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 14px;
}

.pagination .page-info {
    padding: 0 var(--space-md);
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
}

/* ============================================================================
   EMPTY STATES
   ============================================================================ */
.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.empty-state i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.empty-state h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: var(--space-sm);
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

/* ============================================================================
   LOADING STATES
   ============================================================================ */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================================================
   ANIMATIONS
   ============================================================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn var(--transition-base);
}

.animate-slide-up {
    animation: slideUp var(--transition-base);
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }


/* ============================================================================
   PRICING ENHANCEMENTS - ANCHOR PRICING
   ============================================================================ */
.pricing-amount .original-price {
    text-align: center;
    margin-bottom: 5px;
}

.pricing-amount .original-price .price-strike {
    text-decoration: line-through;
    opacity: 0.5;
    font-size: 1.5rem;
    color: var(--text-muted);
}

.pricing-amount .current-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.savings-badge-inline {
    display: inline-block;
    margin-top: 10px;
    padding: 6px 16px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
}

.pricing-card.featured .savings-badge-inline {
    animation: pulse-glow 2s ease-in-out infinite;
}