/* ============================================
   PLAN B - Site Curation Platform Styles
   Dark theme with glassmorphism
   ============================================ */

:root {
    --pb-bg: var(--ph-bg, #08080d);
    --pb-surface: var(--ph-bg-surface, rgba(255, 255, 255, 0.03));
    --pb-surface-hover: var(--ph-bg-surface-hover, rgba(255, 255, 255, 0.06));
    --pb-border: var(--ph-border, rgba(255, 255, 255, 0.08));
    --pb-border-hover: var(--ph-border-hover, rgba(255, 255, 255, 0.15));
    --pb-text: var(--ph-text, #F0F0F5);
    --pb-text-muted: var(--ph-text-muted, rgba(240, 240, 245, 0.5));
    --pb-text-subtle: var(--ph-text-subtle, rgba(240, 240, 245, 0.35));
    --pb-accent: var(--ph-mint, #5CC6C3);
    --pb-accent-2: var(--ph-purple, #8B6FA8);
    --pb-error: var(--ph-error, #f87171);
    --pb-success: var(--ph-success, #10b981);
    --pb-like: #60a5fa;
    --pb-dislike: var(--ph-error, #f87171);
    --font-body: var(--ph-font-body, 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif);
}

/* Page Layout */
.planb-app {
    min-height: 100vh;
    padding: 2rem;
    padding-top: 5rem;
}

.planb-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Page Header */
.planb-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 4rem 0 3rem;
}

.planb-title {
    font-family: 'Instrument Serif', Georgia, serif;
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--pb-text);
    margin-bottom: 0.25rem;
}

.planb-title em {
    font-style: italic;
    color: var(--pb-accent);
}

.planb-subtitle {
    font-size: 0.8rem;
    color: var(--pb-text-muted);
    letter-spacing: 0.1em;
}

/* ============================================
   SITE CARDS GRID
   ============================================ */
.planb-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
}

@media (min-width: 640px) {
    .planb-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .planb-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Site Card */
.planb-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    background: var(--pb-surface);
    border: 1px solid var(--pb-border);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.planb-card:hover {
    background: var(--pb-surface-hover);
    border-color: var(--pb-border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.4);
}

/* Card Header */
.planb-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.planb-card-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.planb-card-logo img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.planb-card-logo-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pb-text-subtle);
}

.planb-card-info {
    flex: 1;
    min-width: 0;
}

.planb-card-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--pb-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.planb-card-domain {
    font-size: 0.7rem;
    color: var(--pb-text-subtle);
}

/* External Link Button */
.planb-card-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    color: var(--pb-text-subtle);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--pb-border);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.planb-card-link:hover {
    color: var(--pb-accent);
    background: rgba(92, 198, 195, 0.1);
    border-color: rgba(92, 198, 195, 0.3);
}

/* Card Description */
.planb-card-desc {
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--pb-text-muted);
    margin-bottom: 0.75rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Recommend Badge */
.planb-recommend-badge {
    display: inline-block;
    font-size: 0.65rem;
    color: var(--pb-accent);
    background: rgba(92, 198, 195, 0.08);
    padding: 0.2rem 0.5rem;
    border-radius: 100px;
    margin-bottom: 0.75rem;
}

/* Card Footer */
.planb-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--pb-border);
}

/* Vote Buttons */
.planb-vote-group {
    display: flex;
    gap: 0.35rem;
}

.planb-vote-btn {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.65rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--pb-text-subtle);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--pb-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.planb-vote-btn:hover:not([disabled]) {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--pb-border-hover);
}

.planb-vote-btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
}

.planb-vote-like.active {
    color: var(--pb-like);
    background: rgba(96, 165, 250, 0.1);
    border-color: rgba(96, 165, 250, 0.3);
}

.planb-vote-dislike.active {
    color: var(--pb-dislike);
    background: rgba(248, 113, 113, 0.1);
    border-color: rgba(248, 113, 113, 0.3);
}

/* Admin Actions */
.planb-admin-actions {
    display: flex;
    gap: 0.25rem;
}

.planb-admin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--pb-text-subtle);
    cursor: pointer;
    transition: all 0.2s ease;
}

.planb-edit-btn:hover {
    color: var(--pb-accent);
    background: rgba(92, 198, 195, 0.1);
}

.planb-delete-btn:hover {
    color: var(--pb-error);
    background: rgba(248, 113, 113, 0.1);
}

/* ============================================
   DRAG AND DROP
   ============================================ */
.planb-card.draggable {
    cursor: grab;
}

.planb-card.dragging {
    opacity: 0.4;
    cursor: grabbing;
}

.planb-card.drag-over {
    border-color: var(--pb-accent);
    box-shadow: 0 0 0 2px rgba(92, 198, 195, 0.2);
}

.planb-drag-handle {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    color: var(--pb-text-subtle);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.planb-card.draggable:hover .planb-drag-handle {
    opacity: 0.5;
}

/* ============================================
   ADMIN PANEL
   ============================================ */
.planb-admin-panel {
    background: var(--pb-surface);
    border: 1px solid var(--pb-border);
    border-radius: 16px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.planb-admin-tabs {
    display: flex;
    border-bottom: 1px solid var(--pb-border);
}

.planb-admin-tab {
    flex: 1;
    padding: 0.85rem 1rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--pb-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.planb-admin-tab:hover {
    color: var(--pb-text);
    background: rgba(255, 255, 255, 0.02);
}

.planb-admin-tab.active {
    color: var(--pb-accent);
    background: rgba(92, 198, 195, 0.05);
    border-bottom: 2px solid var(--pb-accent);
}

.planb-badge-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 0.35rem;
    font-size: 0.65rem;
    font-weight: 700;
    color: #fff;
    background: var(--pb-error);
    border-radius: 100px;
}

.planb-admin-tab-content {
    padding: 1.5rem;
}

/* Site Form */
.planb-site-form {
    max-width: 500px;
}

.planb-form-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pb-text);
    margin-bottom: 1.25rem;
}

.planb-form-group {
    margin-bottom: 1rem;
}

.planb-form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--pb-text-muted);
    margin-bottom: 0.35rem;
}

.planb-form-hint {
    font-weight: 400;
    color: var(--pb-text-subtle);
}

.planb-form-input,
.planb-form-textarea {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--pb-text);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--pb-border);
    border-radius: 10px;
    transition: all 0.2s ease;
}

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

.planb-form-input:focus,
.planb-form-textarea:focus {
    outline: none;
    border-color: var(--pb-accent);
    box-shadow: 0 0 0 2px rgba(92, 198, 195, 0.15);
}

.planb-form-textarea {
    resize: vertical;
    min-height: 80px;
}

.planb-form-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1.25rem;
}

.planb-form-cancel {
    padding: 0.6rem 1rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--pb-text-muted);
    background: transparent;
    border: 1px solid var(--pb-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.planb-form-cancel:hover {
    color: var(--pb-text);
    border-color: var(--pb-border-hover);
}

.planb-form-submit {
    padding: 0.6rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: #0a0a0f;
    background: linear-gradient(135deg, var(--pb-accent), var(--pb-accent-2));
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.planb-form-submit:hover {
    box-shadow: 0 4px 15px -4px rgba(92, 198, 195, 0.5);
}

/* ============================================
   RECOMMENDATION MANAGEMENT
   ============================================ */
.planb-recs-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--pb-text-subtle);
    font-size: 0.85rem;
}

.planb-recs-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.planb-rec-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--pb-border);
    border-radius: 12px;
}

.planb-rec-info {
    flex: 1;
    min-width: 0;
}

.planb-rec-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--pb-text);
    margin-bottom: 0.2rem;
}

.planb-rec-url {
    font-size: 0.7rem;
    color: var(--pb-accent);
    text-decoration: none;
    word-break: break-all;
}

.planb-rec-url:hover {
    text-decoration: underline;
}

.planb-rec-reason {
    font-size: 0.8rem;
    color: var(--pb-text-muted);
    margin-top: 0.4rem;
    line-height: 1.5;
}

.planb-rec-meta {
    font-size: 0.7rem;
    color: var(--pb-text-subtle);
    margin-top: 0.35rem;
}

.planb-rec-actions {
    display: flex;
    gap: 0.35rem;
    flex-shrink: 0;
}

.planb-rec-approve,
.planb-rec-reject {
    padding: 0.4rem 0.75rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.planb-rec-approve {
    color: #0a0a0f;
    background: var(--pb-success);
}

.planb-rec-approve:hover {
    box-shadow: 0 2px 8px -2px rgba(16, 185, 129, 0.5);
}

.planb-rec-reject {
    color: var(--pb-text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--pb-border);
}

.planb-rec-reject:hover {
    color: var(--pb-error);
    border-color: rgba(248, 113, 113, 0.3);
    background: rgba(248, 113, 113, 0.1);
}

/* ============================================
   RECOMMEND FORM (bottom of page)
   ============================================ */
.planb-recommend-section {
    margin-top: 3rem;
    padding: 1.75rem;
    background: var(--pb-surface);
    border: 1px solid var(--pb-border);
    border-radius: 16px;
}

.planb-recommend-header {
    margin-bottom: 1.25rem;
}

.planb-recommend-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pb-text);
    margin-bottom: 0.3rem;
}

.planb-recommend-subtitle {
    font-size: 0.75rem;
    color: var(--pb-text-subtle);
}

.planb-recommend-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.planb-recommend-row {
    display: flex;
    gap: 0.75rem;
}

@media (max-width: 640px) {
    .planb-recommend-row {
        flex-direction: column;
    }
}

.planb-recommend-input,
.planb-recommend-textarea {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--pb-text);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--pb-border);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.planb-recommend-input::placeholder,
.planb-recommend-textarea::placeholder {
    color: var(--pb-text-subtle);
}

.planb-recommend-input:focus,
.planb-recommend-textarea:focus {
    outline: none;
    border-color: var(--pb-accent);
    box-shadow: 0 0 0 2px rgba(92, 198, 195, 0.15);
}

.planb-recommend-textarea {
    resize: vertical;
    min-height: 60px;
}

.planb-recommend-actions {
    display: flex;
    justify-content: flex-end;
}

.planb-recommend-submit {
    padding: 0.6rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: #0a0a0f;
    background: linear-gradient(135deg, var(--pb-accent), var(--pb-accent-2));
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.planb-recommend-submit:hover {
    box-shadow: 0 4px 15px -4px rgba(92, 198, 195, 0.5);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.planb-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--pb-text-muted);
}

.planb-empty svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.planb-empty p {
    font-size: 0.85rem;
}

/* ============================================
   TOAST
   ============================================ */
.planb-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: #fff;
    background: rgba(20, 20, 30, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10000;
    max-width: 90%;
    text-align: center;
}

.planb-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ============================================
   NAV BACK
   ============================================ */
.nav-back {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--pb-text-muted);
    text-decoration: none;
    background: var(--pb-surface);
    border: 1px solid var(--pb-border);
    border-radius: 100px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.nav-back:hover {
    color: var(--pb-text);
    background: var(--pb-surface-hover);
    border-color: var(--pb-border-hover);
}

.nav-back svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
    .planb-app {
        padding: 1rem;
        padding-top: 4rem;
    }

    .planb-title {
        font-size: 2rem;
    }

    .planb-card {
        padding: 1rem;
    }

    .planb-admin-tab-content {
        padding: 1rem;
    }

    .planb-rec-item {
        flex-direction: column;
    }

    .planb-rec-actions {
        align-self: flex-end;
    }
}