/* ========================================
   Components - OpenNana Prompt Gallery
   ======================================== */

/* ========================
   BASE RESET
   ======================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg-primary);
    background-image: var(--gradient-bg-radial);
    color: var(--color-text-primary);
    line-height: var(--leading-normal);
    min-height: 100vh;
}

img {
    display: block;
    max-width: 100%;
}

button {
    font-family: inherit;
    cursor: pointer;
}

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

a:hover {
    text-decoration: underline;
}

/* ========================
   LAYOUT
   ======================== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-16) 0;
}

/* ========================
   HEADER
   ======================== */

.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-8) 0;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.header__content {
    flex: 1;
    min-width: 300px;
}

.header__title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-2);
}

.header__subtitle {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
}

.header__actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.header__banners {
    display: flex;
    gap: var(--space-4);
}

.banner-card {
    width: 200px;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-transform);
}

.banner-card:hover {
    transform: scale(1.05);
}

.banner-card img {
    width: 100%;
    height: auto;
}

/* ========================
   SEARCH & FILTER
   ======================== */

.filter-section {
    margin-bottom: var(--space-8);
}

.search-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--input-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: var(--input-border);
    border-radius: var(--input-radius);
    padding: var(--input-padding);
    margin-bottom: var(--space-4);
    transition: var(--transition-all);
}

.search-bar:focus-within {
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.search-icon {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--text-base);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.filter-tags {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.filter-tags__scroll {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    padding-bottom: var(--space-2);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.filter-tags__scroll::-webkit-scrollbar {
    display: none;
}

/* ========================
   TAGS
   ======================== */

.tag {
    display: inline-flex;
    align-items: center;
    padding: var(--tag-padding);
    background: var(--tag-bg);
    border: var(--tag-border);
    border-radius: var(--tag-radius);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: var(--transition-all);
    white-space: nowrap;
}

.tag:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.tag--active {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-primary);
}

.tag--clear {
    background: transparent;
    color: var(--color-text-muted);
    border-color: transparent;
}

.tag--clear:hover {
    color: var(--color-error);
}

.mini-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

/* ========================
   GALLERY GRID
   ======================== */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--grid-gap);
}

@media (max-width: 1200px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================
   PROMPT CARD
   ======================== */

.prompt-card {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-all);
    border: var(--card-border);
}

.prompt-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border: var(--card-border-hover);
}

.prompt-card__image {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.prompt-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-transform);
}

.prompt-card:hover .prompt-card__image img {
    transform: scale(1.05);
}

.prompt-card__content {
    padding: var(--card-padding);
}

.prompt-card__number {
    display: inline-block;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.prompt-card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    line-height: var(--leading-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prompt-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* ========================
   BUTTONS
   ======================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--btn-padding-md);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: var(--transition-all);
    border: none;
    text-decoration: none;
}

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

.btn--primary:hover {
    box-shadow: var(--shadow-glow-lg);
    transform: translateY(-2px);
}

.btn--secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-glass-border);
}

.btn--secondary:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-primary);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-glass-border);
}

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

.btn--copy {
    padding: var(--space-2) var(--space-4);
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
}

.btn--copy:hover {
    background: var(--color-accent-secondary);
}

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

.btn--icon {
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
}

.btn--icon:hover {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

/* Button Sizes */
.btn--sm {
    height: var(--btn-height-sm);
    padding: var(--btn-padding-sm);
    font-size: var(--text-sm);
}

.btn--lg {
    height: var(--btn-height-lg);
    padding: var(--btn-padding-lg);
    font-size: var(--text-lg);
}

/* ========================
   MODAL
   ======================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--modal-backdrop);
    backdrop-filter: var(--backdrop-blur-sm);
    -webkit-backdrop-filter: var(--backdrop-blur-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-opacity);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--modal-bg);
    border-radius: var(--modal-radius);
    max-width: var(--modal-max-width);
    max-height: 90vh;
    width: 100%;
    overflow-y: auto;
    position: relative;
    transform: scale(0.95);
    transition: var(--transition-transform);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    background: var(--color-bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition-colors);
}

.modal__close:hover {
    background: var(--color-error);
}

.modal__header {
    padding: var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.modal__title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
}

.modal__source {
    color: var(--color-text-accent);
    font-size: var(--text-sm);
}

.modal__image {
    width: 100%;
}

.modal__image img {
    width: 100%;
    display: block;
}

.modal__prompt {
    padding: var(--space-6);
}

/* ========================
   PROMPT BOX
   ======================== */

.prompt-box {
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-glass-border);
}

.prompt-box__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
}

.prompt-box__label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
}

.prompt-box__content {
    padding: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0;
}

/* ========================
   UTILITIES
   ======================== */

.text-gradient {
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus States */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Selection */
::selection {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

/* ========================
   NAVIGATION
   ======================== */

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-glass-border);
}

.navbar__logo {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    text-decoration: none;
}

.navbar__links {
    display: flex;
    gap: var(--space-6);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: var(--transition-colors);
}

.nav-link:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}

.nav-link--active {
    color: var(--color-accent-primary);
}

/* ========================
   FOOTER
   ======================== */

.footer {
    margin-top: var(--space-16);
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-glass-border);
    text-align: center;
}

.footer p {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

/* ========================
   FORMS
   ======================== */

.submit-page {
    padding: var(--space-8) 0;
}

.submit-form {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-8);
}

.glass-card {
    background: var(--color-glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-lg);
}

.form-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.form-header h1 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.form-header__subtitle {
    color: var(--color-text-secondary);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--text-base);
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow-sm);
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-textarea--mono {
    font-family: var(--font-mono);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-hint {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-divider {
    text-align: center;
    color: var(--color-text-muted);
    margin: var(--space-4) 0;
    position: relative;
    font-size: var(--text-sm);
}

.form-divider::before,
.form-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--color-glass-border);
}

.form-divider::before {
    left: 0;
}

.form-divider::after {
    right: 0;
}

.form-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-glass-border);
}

/* ========================
   IMAGE UPLOAD
   ======================== */

.image-upload__dropzone {
    padding: var(--space-10);
    border: 2px dashed var(--color-glass-border);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.image-upload__dropzone:hover,
.image-upload__dropzone.dragover {
    border-color: var(--color-accent-primary);
    background: rgba(34, 211, 238, 0.05);
}

.image-upload__icon {
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.image-preview {
    position: relative;
    margin-top: var(--space-4);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
}

.btn--remove {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: var(--color-error);
    width: 32px;
    height: 32px;
    font-size: 20px;
}

/* ========================
   CONFIRM MODAL
   ======================== */

.modal--confirm {
    max-width: 600px;
}

.confirm-preview {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-glass-border);
}

.confirm-preview__image {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

.confirm-preview__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.confirm-preview__content {
    flex: 1;
    min-width: 0;
}

.confirm-preview__content h3 {
    margin-bottom: var(--space-3);
}

.confirm-preview__prompt {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    background: var(--color-bg-primary);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    max-height: 80px;
    overflow: hidden;
}

.confirm-preview__meta {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.modal__actions {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    justify-content: flex-end;
}

.modal__actions--center {
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================
   SUCCESS MODAL
   ======================== */

.modal--success {
    max-width: 420px;
    text-align: center;
    padding: var(--space-8);
}

.success-icon {
    font-size: 64px;
    margin-bottom: var(--space-4);
}

.modal--success h2 {
    margin-bottom: var(--space-3);
}

/* ========================
   TOAST NOTIFICATIONS
   ======================== */

.toast {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    transform: translateX(120%);
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(0);
}

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

.toast--success {
    border-color: var(--color-success);
    background: rgba(16, 185, 129, 0.1);
}

/* ========================
   LOADING OVERLAY
   ======================== */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--modal-backdrop);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    z-index: 9999;
}

.loading-overlay.visible {
    display: flex;
}

/* Support for hidden attribute */
.loading-overlay[hidden] {
    display: none !important;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-glass-border);
    border-top-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========================
   BUTTON EXTENSIONS
   ======================== */

.btn--block {
    width: 100%;
}

.btn--glow {
    box-shadow: var(--shadow-glow);
}

.btn--glow:hover {
    box-shadow: var(--shadow-glow-lg);
}

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

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

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

/* ========================
   TEXT UTILITIES
   ======================== */

.text-accent {
    color: var(--color-accent-primary);
}

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

.text-secondary {
    color: var(--color-text-secondary);
}

.text-sm {
    font-size: var(--text-sm);
}

.text-center {
    text-align: center;
}

/* ========================
   VIDEO BADGE
   ======================== */

.mini-tag--video {
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-accent-tertiary);
}

.video-badge {
    position: absolute;
    top: var(--space-2);
    left: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
}

.video-duration {
    position: absolute;
    bottom: var(--space-2);
    right: var(--space-2);
    padding: var(--space-1) var(--space-2);
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
}