/*
 * ManaLabs Community Board Styles
 * Pinterest-style masonry layout with glassmorphism
 */

/* === Shared Nav Styles (duplicated from components.css for standalone page) === */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-8);
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
    padding: var(--space-3) var(--space-8);
    background: rgba(10, 10, 15, 0.95);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: var(--text-lg);
}

.nav__logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    filter: invert(1);
}

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

.nav__link {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: color var(--duration-fast);
}

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

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    position: relative;
}

.nav__lang-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.nav__lang-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

.lang-switcher__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    min-width: 140px;
    z-index: 200;
}

.lang-switcher__dropdown.open {
    display: block;
}

.lang-switcher__option {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: none;
    border: none;
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    font-size: var(--text-sm);
    transition: all var(--duration-fast);
}

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

.lang-switcher__option.active {
    color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

/* === Community Hero === */

.community-hero {
    padding: calc(80px + var(--space-16)) var(--space-8) var(--space-12);
    text-align: center;
    background: var(--gradient-glow);
}

.community-hero__title {
    font-size: var(--text-4xl);
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-3);
}

.community-hero__subtitle {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    max-width: 500px;
    margin: 0 auto;
}

/* === Controls Bar === */

.community-controls {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-6) var(--space-8);
    max-width: 1200px;
    margin: 0 auto;
}

.search-bar {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    transition: border-color var(--duration-fast);
}

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

.search-bar__icon {
    font-size: var(--text-base);
    opacity: 0.5;
}

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

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

/* === Buttons === */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    white-space: nowrap;
    font-family: var(--font-body);
}

.btn--primary {
    background: var(--gradient-hero);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

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

.btn--primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* === Masonry / Waterfall Grid (小红书风格) === */

.masonry {
    column-count: 2;
    column-gap: var(--space-4);
    padding: 0 var(--space-6) var(--space-8);
    max-width: 1100px;
    margin: 0 auto;
}

/* === Post Card === */

.post-card {
    break-inside: avoid;
    margin-bottom: var(--space-4);
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        border-color var(--duration-normal) var(--ease-out);
    animation: cardFadeIn 0.4s var(--ease-out) both;
    display: inline-block;
    width: 100%;
}

.post-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.15), var(--shadow-md);
    border-color: rgba(102, 126, 234, 0.25);
}

/* Irregular size variants for waterfall effect */
.post-card--compact .post-card__content {
    -webkit-line-clamp: 2;
    line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card--tall .post-card__body {
    padding: var(--space-6) var(--space-5) var(--space-5);
}

.post-card--tall .post-card__content {
    font-size: var(--text-base);
    line-height: 1.8;
}

.post-card--wide .post-card__content {
    font-size: var(--text-base);
    line-height: 1.7;
    padding-bottom: var(--space-2);
}

/* Translation display */
.post-card__translation {
    margin-top: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    background: rgba(102, 126, 234, 0.08);
    border-left: 3px solid rgba(102, 126, 234, 0.4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.post-card__translation.loading::after {
    content: '⏳';
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.post-card__image {
    width: 100%;
    display: block;
    object-fit: cover;
    max-height: 400px;
    background: var(--bg-tertiary);
}

.post-card__body {
    padding: var(--space-5);
}

.post-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.post-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.post-card__badge {
    padding: 2px 8px;
    background: rgba(102, 126, 234, 0.15);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-primary);
    white-space: nowrap;
}

.post-card__avatar {
    width: 30px;
    height: 30px;
    min-width: 30px;
    border-radius: 50%;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: white;
    font-weight: 700;
}

/* Colorful avatars for visual variety */
.post-card:nth-child(6n+1) .post-card__avatar {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.post-card:nth-child(6n+2) .post-card__avatar {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.post-card:nth-child(6n+3) .post-card__avatar {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.post-card:nth-child(6n+4) .post-card__avatar {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.post-card:nth-child(6n+5) .post-card__avatar {
    background: linear-gradient(135deg, #fa709a, #fee140);
}

.post-card:nth-child(6n+6) .post-card__avatar {
    background: linear-gradient(135deg, #a18cd1, #fbc2eb);
}

.post-card__time {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.post-card__content {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    word-break: break-word;
}

.post-card__actions {
    display: flex;
    gap: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--glass-border);
}

.post-card__action {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--text-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast);
    font-family: var(--font-body);
}

.post-card__action:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.post-card__action.liked {
    color: var(--accent-pink);
}

.post-card__action.liked:hover {
    color: var(--accent-pink);
}

/* === Modal === */

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 500;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    animation: modalIn 0.3s var(--ease-out);
}

.modal--reply {
    max-width: 640px;
    display: flex;
    flex-direction: column;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

.modal__title {
    font-size: var(--text-xl);
    font-weight: 700;
}

.modal__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: var(--text-base);
    cursor: pointer;
    transition: all var(--duration-fast);
}

.modal__close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal__form {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

/* === Form Elements === */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-base);
    font-family: var(--font-body);
    outline: none;
    transition: border-color var(--duration-fast);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
}

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

.char-count {
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-align: right;
}

/* === Image Upload === */

.image-upload {
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--duration-fast);
    cursor: pointer;
}

.image-upload:hover {
    border-color: var(--accent-primary);
}

.image-upload.dragging {
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.05);
}

.image-upload__placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-8) var(--space-4);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.image-upload__icon {
    font-size: var(--text-3xl);
}

.image-upload__hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
    opacity: 0.7;
}

.image-upload__preview {
    position: relative;
}

.image-upload__preview img {
    width: 100%;
    display: block;
    max-height: 300px;
    object-fit: contain;
    background: var(--bg-tertiary);
}

.image-upload__remove {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    width: 28px;
    height: 28px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: var(--text-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-upload__size {
    position: absolute;
    bottom: var(--space-2);
    left: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-full);
    color: var(--accent-green);
    font-size: var(--text-xs);
    font-weight: 600;
}

/* === Notify Checkbox === */

.form-group--notify {
    gap: var(--space-3);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--glass-border);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--duration-fast);
    position: relative;
}

.checkbox-label input[type="checkbox"]:checked {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.checkbox-label input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 11px;
    font-weight: bold;
}

.notify-email {
    padding: var(--space-3) var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-body);
    outline: none;
    transition: border-color var(--duration-fast);
}

.notify-email:focus {
    border-color: var(--accent-primary);
}

.notify-hint {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin: 0;
}

/* === Reply Modal === */

.replies-list {
    padding: var(--space-4) var(--space-6);
    max-height: 50vh;
    overflow-y: auto;
    flex: 1;
}

.reply-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--glass-border);
}

.reply-item:last-child {
    border-bottom: none;
}

.reply-item__avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
    color: var(--text-muted);
}

.reply-item__body {
    flex: 1;
}

.reply-item__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-1);
}

.reply-item__author {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.reply-item__time {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.reply-item__content {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.reply-form {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--glass-border);
}

.reply-form__row {
    display: flex;
    gap: var(--space-3);
}

.reply-form__name {
    width: 100px;
    padding: var(--space-3) var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-body);
    outline: none;
}

.reply-form__input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-body);
    outline: none;
}

.reply-form__name:focus,
.reply-form__input:focus {
    border-color: var(--accent-primary);
}

.reply-form__name::placeholder,
.reply-form__input::placeholder {
    color: var(--text-muted);
}

.reply-form__submit {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
}

.replies-empty {
    text-align: center;
    padding: var(--space-8);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

/* === Loading & Empty States === */

.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-8);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-8);
    color: var(--text-muted);
}

.empty-state__icon {
    font-size: 48px;
    display: block;
    margin-bottom: var(--space-4);
}

.empty-state p {
    font-size: var(--text-lg);
}

/* === Responsive === */

@media (max-width: 768px) {
    .masonry {
        column-count: 2;
        column-gap: var(--space-3);
        padding: 0 var(--space-3) var(--space-4);
    }

    .community-controls {
        flex-direction: column;
        padding: var(--space-4);
    }

    .search-bar {
        width: 100%;
    }

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

    .community-hero {
        padding: calc(70px + var(--space-10)) var(--space-4) var(--space-8);
    }

    .community-hero__title {
        font-size: var(--text-3xl);
    }

    .community-hero__subtitle {
        font-size: var(--text-base);
    }

    .nav {
        padding: var(--space-3) var(--space-4);
    }

    .modal {
        margin: var(--space-4);
        max-height: 90vh;
    }

    .reply-form__row {
        flex-direction: column;
    }

    .reply-form__name {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .masonry {
        column-count: 1;
        padding: 0 var(--space-3) var(--space-3);
    }

    .community-hero__title {
        font-size: var(--text-2xl);
    }

    .post-card__body {
        padding: var(--space-4);
    }
}

/* === Submit button states === */

.btn--submit.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn--submit.loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: var(--space-2);
}