/* =============================================================================
   FTB - UI Components Library
   Consolidated reusable components: buttons, cards, tables, alerts, navigation
   ============================================================================= */

/* =============================================================================
   1. BUTTON COMPONENTS
   ============================================================================= */

/* Base button styling */
.ftb-btn,
.btn-modern {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ftb-spacing-sm);
    padding: var(--ftb-spacing-md) var(--ftb-spacing-lg);
    border: none;
    border-radius: var(--ftb-radius-md);
    font-family: var(--ftb-font-sans);
    font-size: var(--ftb-text-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--ftb-transition-base);
    position: relative;
    overflow: hidden;
    min-height: 50px;
    text-align: center;
    box-shadow: var(--ftb-shadow-sm);
}

.ftb-btn:focus,
.btn-modern:focus {
    outline: 2px solid var(--ftb-primary);
    outline-offset: 2px;
}

/* Button variants */
.ftb-btn-primary,
.btn-primary {
    background: var(--ftb-secondary);
    color: var(--ftb-white);
    border: 2px solid var(--ftb-secondary);
}

.ftb-btn-primary:hover,
.btn-primary:hover {
    background: var(--ftb-accent);
    border-color: var(--ftb-accent);
    transform: translateY(-1px);
    box-shadow: var(--ftb-shadow-md);
    color: var(--ftb-white);
    text-decoration: none;
}

/* Orange accent buttons (Add/Save buttons) */
.ftb-btn-orange,
.btn-add,
.btn-orange {
    background: transparent;
    color: var(--ftb-primary);
    border: 2px solid var(--ftb-primary);
}

.ftb-btn-orange:hover,
.btn-add:hover,
.btn-orange:hover {
    background: var(--ftb-primary);
    color: var(--ftb-white);
    border-color: var(--ftb-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(251, 107, 0, 0.25);
    text-decoration: none;
}

/* Form submit buttons - standardized */
.ftb-btn-orange[type="submit"],
.btn-orange[type="submit"],
#btnSave {
    width: 100%;
    max-width: 250px;
    margin: 0 auto;
    padding: var(--ftb-spacing-md) var(--ftb-spacing-xl);
}

/* Secondary/Cancel buttons */
.ftb-btn-secondary,
.btn-secondary {
    background: transparent;
    color: var(--ftb-text-primary);
    border: 2px solid var(--ftb-gray);
}

.ftb-btn-secondary:hover,
.btn-secondary:hover {
    background: var(--ftb-gray);
    border-color: var(--ftb-gray);
    color: var(--ftb-text-primary);
    text-decoration: none;
}

/* Small buttons */
.ftb-btn-sm,
.btn-sm {
    padding: var(--ftb-spacing-sm) var(--ftb-spacing-md);
    font-size: var(--ftb-text-xs);
    min-height: 36px;
}

/* Large buttons */
.ftb-btn-lg,
.btn-lg {
    padding: var(--ftb-spacing-lg) var(--ftb-spacing-2xl);
    font-size: var(--ftb-text-lg);
    min-height: 60px;
}

/* Button loading state */
.ftb-btn-loading,
.btn-loading {
    color: transparent;
    pointer-events: none;
}

.ftb-btn-loading::after,
.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: btn-spin 1s linear infinite;
}

@keyframes btn-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =============================================================================
   2. CARD COMPONENTS
   ============================================================================= */

/* Base card styling */
.ftb-card,
.card-modern {
    background: var(--ftb-card-bg);
    border-radius: var(--ftb-radius-lg);
    box-shadow: var(--ftb-card-shadow);
    border: var(--ftb-card-border);
    overflow: hidden;
    transition: all var(--ftb-transition-base);
}

.ftb-card:hover,
.card-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--ftb-card-shadow-hover);
}

/* Card header */
.ftb-card-header,
.card-header {
    padding: var(--ftb-spacing-lg);
    border-bottom: 1px solid var(--ftb-gray);
    background: var(--ftb-gradient-light);
    font-weight: 600;
}

/* Card body */
.ftb-card-body,
.card-body {
    padding: var(--ftb-spacing-xl);
}

/* Card footer */
.ftb-card-footer,
.card-footer {
    padding: var(--ftb-spacing-lg);
    border-top: 1px solid var(--ftb-gray);
    background: var(--ftb-light-gray);
    display: flex;
    justify-content: flex-end;
    gap: var(--ftb-spacing-sm);
}

/* Glass effect cards */
.ftb-card-glass,
.card-glass {
    background: var(--ftb-glass-bg);
    backdrop-filter: var(--ftb-glass-backdrop);
    -webkit-backdrop-filter: var(--ftb-glass-backdrop);
    border: 1px solid var(--ftb-glass-border);
    border-radius: var(--ftb-radius-xl);
    box-shadow: var(--ftb-shadow-lg);
    padding: var(--ftb-spacing-xl);
    position: relative;
    overflow: hidden;
}

.ftb-card-glass::before,
.card-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--ftb-gradient-primary);
    border-radius: var(--ftb-radius-xl) var(--ftb-radius-xl) 0 0;
}

/* Main task cards - special styling for important content */
.ftb-card-main-task,
.card-main-task {
    background: var(--ftb-card-bg);
    border-radius: var(--ftb-radius-lg);
    box-shadow: var(--ftb-shadow-md);
    border: var(--ftb-card-border);
    padding: var(--ftb-spacing-xl);
    font-size: 1.3rem;
    font-weight: 500;
    line-height: 1.8;
    white-space: pre-line;
    margin-bottom: var(--ftb-spacing-lg);
}

/* Result cards - for displaying results */
.ftb-card-result,
.card-result {
    background: var(--ftb-card-bg);
    border-radius: var(--ftb-radius-md);
    box-shadow: var(--ftb-shadow-sm);
    border: var(--ftb-card-border);
    padding: var(--ftb-spacing-lg);
    animation: fadeInUp 0.6s ease-out;
}

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

/* =============================================================================
   3. TABLE COMPONENTS
   ============================================================================= */

/* Modern table styling */
.ftb-table,
.table-modern {
    width: 100%;
    border-collapse: collapse;
    background: var(--ftb-card-bg);
    border-radius: var(--ftb-radius-lg);
    overflow: hidden;
    box-shadow: var(--ftb-shadow-table);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
}

.ftb-table th,
.table-modern th {
    background: var(--ftb-gradient-primary);
    color: var(--ftb-white);
    padding: var(--ftb-spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: var(--ftb-text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ftb-table td,
.table-modern td {
    padding: var(--ftb-spacing-md);
    border-bottom: 1px solid var(--ftb-gray);
    vertical-align: middle;
    font-size: var(--ftb-text-sm);
}

.ftb-table tr:last-child td,
.table-modern tr:last-child td {
    border-bottom: none;
}

/* Table row striping */
.ftb-table tbody tr:nth-child(odd),
.table-modern tbody tr:nth-child(odd),
.table tbody tr:nth-child(odd) {
    background-color: #f5f5f5;
}

.ftb-table tbody tr:nth-child(even),
.table-modern tbody tr:nth-child(even),
.table tbody tr:nth-child(even) {
    background-color: var(--ftb-white);
}

/* Table hover effects */
.ftb-table tbody tr:hover,
.table-modern tbody tr:hover,
.table tbody tr:hover {
    background-color: rgba(251, 107, 0, 0.05) !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all var(--ftb-transition-fast);
}

/* Table responsive wrapper */
.ftb-table-responsive,
.table-responsive {
    overflow-x: auto;
    width: 100%;
    -webkit-overflow-scrolling: touch;
}

/* Glass effect tables */
.ftb-table-glass,
.table-glass-enhanced {
    background: var(--ftb-glass-bg);
    backdrop-filter: var(--ftb-glass-backdrop);
    -webkit-backdrop-filter: var(--ftb-glass-backdrop);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.ftb-table-glass th,
.table-glass-enhanced th {
    background: rgba(251, 107, 0, 0.1);
    backdrop-filter: blur(10px);
    color: var(--ftb-primary);
    border-bottom: 2px solid var(--ftb-primary);
}

/* =============================================================================
   4. NAVIGATION COMPONENTS
   ============================================================================= */

/* Modern navbar */
.ftb-navbar,
.modern-navbar {
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: var(--ftb-glass-backdrop);
    -webkit-backdrop-filter: var(--ftb-glass-backdrop);
    border: none;
    border-bottom: 1px solid var(--ftb-glass-border);
    box-shadow: var(--ftb-shadow-md);
    padding: var(--ftb-spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: var(--ftb-z-sticky);
}

/* Navbar brand */
.ftb-navbar-brand,
.modern-navbar .navbar-brand {
    font-size: var(--ftb-text-xl);
    font-weight: 700;
    background: var(--ftb-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--ftb-spacing-sm);
    /* Remove any unwanted shadows */
    box-shadow: none !important;
    filter: none !important;
}

/* Navbar links */
.ftb-nav-link,
.modern-navbar .nav-link {
    color: var(--ftb-text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--ftb-spacing-sm) var(--ftb-spacing-md);
    border-radius: var(--ftb-radius-md);
    transition: all var(--ftb-transition-fast);
    position: relative;
}

.ftb-nav-link:hover,
.modern-navbar .nav-link:hover {
    background: var(--ftb-glass-bg);
    color: var(--ftb-primary);
    transform: translateY(-1px);
    text-decoration: none;
}

/* Active nav link indicator */
.ftb-nav-link.active::after,
.modern-navbar .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--ftb-gradient-primary);
    border-radius: var(--ftb-radius-full);
}

/* =============================================================================
   5. ALERT COMPONENTS
   ============================================================================= */

.ftb-alert {
    padding: var(--ftb-spacing-md);
    border-radius: var(--ftb-radius-lg);
    margin-bottom: var(--ftb-spacing-lg);
    border: none;
    font-size: var(--ftb-text-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--ftb-spacing-sm);
    position: relative;
    overflow: hidden;
}

/* Alert variants */
.ftb-alert-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.1) 100%);
    color: var(--ftb-error);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.ftb-alert-success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(22, 163, 74, 0.1) 100%);
    color: var(--ftb-success);
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.ftb-alert-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    color: var(--ftb-info);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.ftb-alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
    color: var(--ftb-warning);
    border: 1px solid rgba(217, 119, 6, 0.2);
}

/* =============================================================================
   6. PAGINATION COMPONENTS
   ============================================================================= */

.ftb-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--ftb-spacing-xs);
    margin: var(--ftb-spacing-xl) 0;
}

.ftb-pagination-item,
.pagination .page-item {
    display: flex;
}

.ftb-pagination-link,
.pagination .page-link {
    padding: var(--ftb-spacing-sm) var(--ftb-spacing-md);
    border: 1px solid var(--ftb-gray);
    border-radius: var(--ftb-radius-sm);
    color: var(--ftb-primary);
    text-decoration: none;
    transition: all var(--ftb-transition-fast);
    background: var(--ftb-white);
}

.ftb-pagination-link:hover,
.pagination .page-link:hover {
    background: var(--ftb-light-gray);
    border-color: var(--ftb-primary);
    color: var(--ftb-text-primary);
    text-decoration: none;
}

/* Active pagination item */
.ftb-pagination-item.active .ftb-pagination-link,
.pagination .page-item.active .page-link {
    background: var(--ftb-primary-light) !important;
    border-color: var(--ftb-primary-light) !important;
    color: var(--ftb-white) !important;
}

/* Disabled pagination item */
.ftb-pagination-item.disabled .ftb-pagination-link,
.pagination .page-item.disabled .page-link {
    color: var(--ftb-text-secondary);
    background: var(--ftb-light-gray);
    border-color: var(--ftb-gray);
    cursor: not-allowed;
}

/* =============================================================================
   7. UTILITY COMPONENTS
   ============================================================================= */

/* Container */
.ftb-container,
.container-modern {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--ftb-spacing-md);
}

/* Loading spinner */
.ftb-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--ftb-light-gray);
    border-top: 4px solid var(--ftb-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--ftb-spacing-xl) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Tooltip */
.ftb-tooltip {
    position: relative;
    cursor: help;
}

.ftb-tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--ftb-black);
    color: var(--ftb-white);
    padding: var(--ftb-spacing-xs) var(--ftb-spacing-sm);
    border-radius: var(--ftb-radius-sm);
    font-size: var(--ftb-text-xs);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--ftb-transition-fast);
    z-index: var(--ftb-z-tooltip);
}

.ftb-tooltip:hover::before {
    opacity: 1;
    visibility: visible;
}

/* Badge */
.ftb-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--ftb-spacing-xs) var(--ftb-spacing-sm);
    font-size: var(--ftb-text-xs);
    font-weight: 600;
    border-radius: var(--ftb-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

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

.ftb-badge-secondary {
    background: var(--ftb-gray);
    color: var(--ftb-text-primary);
}

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

.ftb-badge-error {
    background: var(--ftb-error);
    color: var(--ftb-white);
}

/* =============================================================================
   8. RATE LIMIT PAGE COMPONENTS
   ============================================================================= */

/* Rate limit page container */
.ftb-rate-limit-container {
    max-width: 600px;
    margin: 100px auto;
    padding: var(--ftb-spacing-2xl);
    text-align: center;
    background: var(--ftb-card-bg);
    border-radius: var(--ftb-radius-xl);
    box-shadow: var(--ftb-shadow-lg);
    border: var(--ftb-card-border);
}

/* Rate limit icon */
.ftb-rate-limit-icon {
    font-size: 4rem;
    color: var(--ftb-error);
    margin-bottom: var(--ftb-spacing-lg);
    display: block;
}

/* Rate limit title */
.ftb-rate-limit-title {
    color: var(--ftb-text-primary);
    font-size: 2rem;
    margin-bottom: var(--ftb-spacing-md);
    font-weight: 600;
    font-family: var(--ftb-font-sans);
}

/* Rate limit message */
.ftb-rate-limit-message {
    color: var(--ftb-text-secondary);
    font-size: 1.1rem;
    line-height: 2.5;
    margin-bottom: var(--ftb-spacing-xl);
}

.ftb-rate-limit-message span,
.ftb-rate-limit-message strong {
    display: block;
    margin-bottom: var(--ftb-spacing-sm);
}

/* Countdown timer */
.ftb-rate-limit-container .ftb-countdown {
    font-size: 1.2rem;
    color: var(--ftb-error);
    font-weight: 600;
    margin-bottom: 40px !important;
}

/* Back button for rate limit page */
.ftb-rate-limit-back-btn {
    display: inline-block;
    padding: var(--ftb-spacing-md) var(--ftb-spacing-xl);
    background: var(--ftb-secondary);
    color: var(--ftb-white);
    text-decoration: none;
    border-radius: var(--ftb-radius-md);
    font-weight: 500;
    transition: all var(--ftb-transition-base);
    box-shadow: var(--ftb-shadow-sm);
}

.ftb-rate-limit-back-btn:hover {
    background: var(--ftb-accent);
    text-decoration: none;
    color: var(--ftb-white);
    transform: translateY(-1px);
    box-shadow: var(--ftb-shadow-md);
}

/* Success message styling for countdown completion */
.ftb-countdown-success {
    color: var(--ftb-success) !important;
}

/* Mobile responsiveness for rate limit page */
@media (max-width: 991.98px) {
    .ftb-rate-limit-container {
        margin: var(--ftb-spacing-xl) var(--ftb-spacing-md);
        padding: var(--ftb-spacing-xl);
    }

    .ftb-rate-limit-title {
        font-size: 1.5rem;
    }

    .ftb-rate-limit-message {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .ftb-rate-limit-container {
        margin: var(--ftb-spacing-lg) var(--ftb-spacing-sm);
        padding: var(--ftb-spacing-lg);
    }

    .ftb-rate-limit-icon {
        font-size: 3rem;
    }

    .ftb-rate-limit-title {
        font-size: 1.25rem;
    }

    .ftb-countdown {
        font-size: 1.1rem;
    }
}

/* =============================================================================
   9. RESPONSIVE DESIGN
   ============================================================================= */

/* Mobile optimizations */
@media (max-width: 991.98px) {
    .ftb-card,
    .card-modern {
        margin: var(--ftb-spacing-sm);
    }

    .ftb-table,
    .table-modern {
        font-size: var(--ftb-text-xs);
    }

    .ftb-table th,
    .ftb-table td,
    .table-modern th,
    .table-modern td {
        padding: var(--ftb-spacing-xs);
    }

    .ftb-btn,
    .btn-modern {
        padding: var(--ftb-spacing-sm) var(--ftb-spacing-md);
        font-size: var(--ftb-text-xs);
        min-height: 40px;
    }

    .ftb-navbar,
    .modern-navbar {
        padding: var(--ftb-spacing-xs) 0;
    }

    .ftb-container,
    .container-modern {
        padding: 0 var(--ftb-spacing-sm);
    }
}

/* Small mobile screens */
@media (max-width: 576px) {
    .ftb-table,
    .table-modern {
        font-size: var(--ftb-text-xs);
    }

    .ftb-btn,
    .btn-modern {
        min-height: 36px;
        font-size: var(--ftb-text-xs);
    }

    .ftb-pagination {
        flex-wrap: wrap;
    }
}

/* Very small screens */
@media (max-width: 480px) {
    .ftb-container,
    .container-modern {
        padding: 0 var(--ftb-spacing-xs);
    }

    .ftb-card-body,
    .card-body {
        padding: var(--ftb-spacing-md);
    }
}