/**
 * GPC Framework - Component Styles
 * "Midnight Precision" Design System - PREMIUM EDITION v2.1
 * Buttons, Cards, Modals, Forms, Carousel, Tabs, Footer
 */

/* ========== BUTTONS - "Midnight Precision" ========== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, 0.5rem);
    padding: var(--space-3, 0.75rem) var(--space-6, 1.5rem);
    border-radius: var(--radius-lg, 14px);
    border: none;
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition:
        transform var(--dur-fast) var(--ease-standard),
        background-color var(--dur-med) var(--ease-standard),
        color var(--dur-med) var(--ease-standard),
        border-color var(--dur-med) var(--ease-standard),
        box-shadow var(--dur-med) var(--ease-standard);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    transform-origin: center bottom;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent, color-mix(in srgb, var(--accent-contrast) 28%, transparent), transparent);
    opacity: 0;
    transform: translateX(-120%);
    transition: transform var(--dur-slow) var(--ease-standard), opacity var(--dur-med) var(--ease-standard);
    pointer-events: none;
}

/* Hover lift effect for all buttons */
.btn:not(:disabled):hover {
    transform: translateY(var(--hover-lift)) scaleY(0.96);
    box-shadow:
        0 10px 24px color-mix(in srgb, var(--bg) 52%, transparent),
        inset 0 0 0 1px color-mix(in srgb, var(--border-strong, var(--border)) 45%, transparent);
}

.btn:not(:disabled):hover::after {
    opacity: 0.6;
    transform: translateX(120%);
}

.btn:not(:disabled):active {
    transform: translateY(-1px) scale(0.96);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: transform var(--dur-fast) var(--ease-standard);
}

.btn:hover svg {
    transform: translateX(2px);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--ring);
}

/* Primary Button - Solid dark */
.btn-primary {
    background: var(--text);
    color: var(--accent-contrast);
    border: 1px solid var(--text);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: var(--shadow-3);
}

/* Secondary Button - Ghost with border */
.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border-strong, var(--border));
}

.btn-secondary:hover:not(:disabled) {
    background: var(--text);
    border-color: var(--text);
    color: var(--accent-contrast);
    box-shadow: var(--shadow-2);
}

/* Accent Button - Uses accent color */
.btn-accent {
    background: var(--accent);
    color: var(--accent-contrast);
    border: 1px solid var(--accent);
}

.btn-accent:hover:not(:disabled) {
    box-shadow: var(--glow);
}

/* Danger Button */
.btn-danger {
    background: var(--danger);
    color: var(--accent-contrast);
    border: 1px solid var(--danger);
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger);
    box-shadow: 0 8px 24px var(--danger-dim);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--text-subtle);
    border: 1px solid transparent;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--surface-3);
    color: var(--text);
}

/* Icon Button */
.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-md, 10px);
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition:
        transform var(--dur-fast) var(--ease-standard),
        background-color var(--dur-med) var(--ease-standard),
        color var(--dur-med) var(--ease-standard),
        border-color var(--dur-med) var(--ease-standard),
        box-shadow var(--dur-med) var(--ease-standard);
}

.btn-icon:hover {
    background: var(--surface-3, var(--surface-2));
    color: var(--text);
    border-color: var(--text);
    transform: translateY(var(--hover-lift));
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2, 0.5rem) var(--space-4, 1rem);
    font-size: 0.8rem;
    border-radius: var(--radius-md, 10px);
}

.btn-lg {
    padding: var(--space-4, 1rem) var(--space-8, 2rem);
    font-size: 1rem;
    border-radius: var(--radius-xl, 24px);
}

/* Pill shaped button */
.btn-pill {
    border-radius: var(--radius-full, 9999px);
}

.btn-full {
    width: 100%;
}

/* Button with loading state */
.btn.loading {
    pointer-events: none;
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ========== FORMS - PREMIUM EDITION v2.1 ========== */

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    caret-color: var(--accent);
    box-shadow: inset 0 1px 0 color-mix(in srgb, var(--surface-2) 60%, transparent);
    transition:
        border-color var(--dur-med) var(--ease-standard),
        background-color var(--dur-med) var(--ease-standard),
        box-shadow var(--dur-med) var(--ease-standard),
        transform var(--dur-fast) var(--ease-standard);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: var(--border-strong);
    background: var(--surface-2);
    transform: translateY(-1px);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow:
        var(--ring),
        0 10px 24px -12px var(--accent-dim);
    background: var(--surface);
    transform: translateY(-2px);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 110px;
    line-height: 1.6;
}

/* Default style for classless selects so bare markup still matches form controls. */
select:not([class]) {
    width: 100%;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.25;
    caret-color: var(--accent);
    box-shadow: inset 0 1px 0 color-mix(in srgb, var(--surface-2) 60%, transparent);
    transition:
        border-color var(--dur-med) var(--ease-standard),
        background-color var(--dur-med) var(--ease-standard),
        box-shadow var(--dur-med) var(--ease-standard),
        transform var(--dur-fast) var(--ease-standard);
}

select:not([class]):hover {
    border-color: var(--border-strong);
    background: var(--surface-2);
    transform: translateY(-1px);
}

select:not([class]):focus {
    outline: none;
    border-color: var(--accent);
    box-shadow:
        var(--ring),
        0 10px 24px -12px var(--accent-dim);
    background: var(--surface);
    transform: translateY(-2px);
}

select:not([class]):disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

/* Form hint text */
.form-hint {
    display: block;
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    opacity: 0.75;
}

/* Form Row - side by side fields */
.form-row {
    display: flex;
    gap: 24px;
    margin-bottom: 28px;
}

.form-row .form-group {
    margin-bottom: 0;
    flex: 1;
}

.form-row .form-group.flex-1 {
    flex: 1;
}

.form-row .form-group.flex-2 {
    flex: 2;
}

.form-actions {
    margin-top: 32px;
    display: flex;
    gap: 16px;
    justify-content: flex-end;
}

/* Contact Form specific */
.contact-form .form-group {
    margin-bottom: 24px;
}

.contact-form .form-actions {
    margin-top: 36px;
}

.form-check .checkbox-label {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-check input[type="checkbox"] {
    accent-color: var(--accent);
}

.form-check a {
    color: var(--accent);
    text-decoration: none;
}

.form-check a:hover {
    text-decoration: underline;
}

/* ========== EDIT FORM (Admin Modals) - PREMIUM v2.1 ========== */

.edit-form {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: calc(85vh - 120px);
}

.edit-form-body {
    flex: 1;
    overflow-y: auto;
    padding: 36px 12px 36px 36px;
    margin-right: 24px;
}

/* Premium scrollbar for edit form body */
.edit-form-body::-webkit-scrollbar {
    width: 12px;
}

.edit-form-body::-webkit-scrollbar-track {
    background: linear-gradient(180deg, var(--bg), var(--surface-2));
    border-radius: 6px;
    margin: 6px 0;
}

.edit-form-body::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 45%, transparent), color-mix(in srgb, var(--accent) 25%, transparent));
    border-radius: 6px;
    border: 3px solid var(--surface);
    transition: background 0.3s ease;
}

.edit-form-body::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 65%, transparent), color-mix(in srgb, var(--accent) 45%, transparent));
}

.edit-form-footer {
    flex-shrink: 0;
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    padding: 28px 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.2) 100%);
    position: sticky;
    bottom: 0;
    z-index: 10;
}

/* Thumbnail Picker */
.thumbnail-picker {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.thumbnail-picker label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.thumbnail-preview {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--surface-2);
    border: 1px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-placeholder {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    padding: 8px;
}

/* Hero Carousel Image Manager */
.hero-carousel-section {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
}

.hero-carousel-section h4 {
    margin: 0 0 4px;
}

.hero-carousel-section .text-muted {
    margin: 0 0 12px;
    font-size: 13px;
}

.hero-carousel-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    min-height: 0;
}

.hero-carousel-thumb {
    position: relative;
    width: 72px;
    height: 72px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
}

.hero-carousel-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-image-remove-btn {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.15s;
}

.hero-carousel-thumb:hover .hero-image-remove-btn {
    opacity: 1;
}

.edit-form .form-row {
    margin-bottom: 28px;
}

.edit-form .form-group {
    margin-bottom: 28px;
}

.edit-form .form-group label {
    font-size: 0.85rem;
    margin-bottom: 12px;
    color: var(--text-subtle);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

.edit-form .form-group input,
.edit-form .form-group textarea {
    padding: 16px 20px;
    font-size: 0.95rem;
    border-radius: 14px;
}

.edit-form .form-group textarea {
    min-height: 90px;
}

/* ========== TOGGLE SWITCH - PREMIUM v2.1 ========== */

.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: relative;
    width: 60px;
    height: 32px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 32px;
    transition: all 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    left: 2px;
    top: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all 0.38s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--accent-dim);
    border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(28px);
    background: var(--accent);
    box-shadow: 0 3px 14px rgba(139, 92, 246, 0.5);
}

.toggle-switch:hover .toggle-slider {
    border-color: var(--accent);
}

/* Small toggle variant */
.toggle-switch.toggle-sm .toggle-slider {
    width: 48px;
    height: 26px;
}

.toggle-switch.toggle-sm .toggle-slider::before {
    width: 20px;
    height: 20px;
    left: 1px;
    top: 1px;
}

.toggle-switch.toggle-sm input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

/* ========== RESPONSIVE ========== */

@media (max-width: 768px) {
    .modal-container {
        max-width: 100%;
        max-height: 100%;
        border-radius: 29px;
    }
    
    .modal-header {
        padding: 22px 24px;
    }
    
    .modal-body {
        padding: 28px 24px;
    }
    
    .modal-footer {
        padding: 18px 24px;
    }
    
    .modal-detail {
        grid-template-columns: 1fr;
    }
    
    .detail-info {
        max-height: none;
    }
    
    .tabs-header {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .tab {
        padding: 12px 16px;
        white-space: nowrap;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 15px 18px;
        font-size: 0.95rem;
    }
    
    .toast-container {
        left: 10px;
        right: 10px;
    }
    
    .toast {
        max-width: none;
    }
    
    /* Footer responsive */
    .global-footer {
        padding: 10px 0;
    }
    
    .global-footer-content {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        gap: 10px;
    }

    .footer-utility-bar {
        flex-direction: column;
        align-items: stretch;
        margin: -18px auto 8px;
    }

    .footer-admin-btn {
        align-self: center;
    }

    .footer-left,
    .footer-right,
    .footer-center {
        flex: 1 1 auto;
        justify-content: center;
    }

    .footer-left {
        justify-content: flex-start;
    }

    .footer-right {
        justify-content: flex-end;
    }
    
    .footer-social {
        gap: 10px;
    }
    
    .footer-social-link {
        width: 32px;
        height: 32px;
    }
    
    .footer-social-link svg {
        width: 14px;
        height: 14px;
    }
    
    .footer-text {
        font-size: 0.8rem;
        text-align: center;
    }
    
    body.has-fixed-footer {
        padding-bottom: var(--footer-base-height, 110px);
    }
    
    /* Language selector responsive */
    .language-selector .language-dropdown {
        left: 50%;
        transform: translateX(-50%) translateY(10px);
    }
    
    .language-selector.open .language-dropdown {
        transform: translateX(-50%) translateY(0);
    }
    
    /* Carousel empty state responsive */
    .carousel-empty-content svg {
        width: 48px;
        height: 48px;
    }
    
    .carousel-empty-content span {
        font-size: 0.85rem;
    }
    
    /* Carousel modes responsive */
    .carousel.carousel-mode-fullscreen .carousel-btn {
        width: 44px;
        height: 44px;
    }
    
    .carousel.carousel-mode-fullscreen .carousel-prev { left: 16px; }
    .carousel.carousel-mode-fullscreen .carousel-next { right: 16px; }
    
    .carousel.carousel-mode-fullscreen .carousel-dots {
        bottom: 20px;
    }
    
    .carousel.carousel-mode-fullscreen .carousel-dot {
        width: 10px;
        height: 10px;
    }
    
    .carousel.carousel-mode-fullscreen .carousel-dot.active {
        width: 28px;
    }
    
    /* Edit form responsive */
    .edit-form-body {
        padding: 24px 8px 24px 24px;
        margin-right: 16px;
    }
    
    .edit-form-footer {
        padding: 20px 24px;
    }
    
    /* Theme mode tabs responsive */
    .theme-mode-tabs {
        flex-wrap: wrap;
    }
    
    .theme-mode-tab {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .modal-header {
        padding: 18px 20px;
    }
    
    .modal-title {
        font-size: 1.25rem;
    }
    
    .modal-close {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }
    
    .modal-body {
        padding: 24px 20px;
    }
    
    .modal-footer {
        padding: 16px 20px;
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Form responsive */
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group label {
        font-size: 0.85rem;
        margin-bottom: 10px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 14px 16px;
        font-size: 0.9rem;
        border-radius: 12px;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .form-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Edit form mobile */
    .edit-form-body {
        padding: 20px 6px 20px 20px;
        margin-right: 12px;
    }
    
    .edit-form-footer {
        padding: 16px 20px;
        flex-direction: column;
    }
    
    .edit-form-footer .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Images manager mobile */
    .images-manager {
        padding: 16px;
    }
    
    .image-item {
        width: 72px;
        height: 72px;
    }
    
    .image-add {
        flex-direction: column;
        gap: 12px;
    }
    
    .image-add input[type="text"] {
        min-width: 100%;
    }
    
    /* Theme selector footer mobile */
    .theme-selector-footer-content {
        flex-direction: column;
    }
    
.theme-selector-footer-content .btn {
        width: 100%;
    }
}