/* ============================================================================
   Feature Request Board
   ============================================================================ */

/* ── Layout ──────────────────────────────────────────────────────────────── */

.fb-header {
    margin-bottom: var(--space-6);
}

.fb-header-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    min-width: 0;
}

.fb-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-2) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.fb-title i {
    color: var(--color-primary);
    flex-shrink: 0;
}

.fb-subtitle {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    max-width: 520px;
}

/* ── Submit trigger button ───────────────────────────────────────────────── */

.fb-submit-trigger {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: var(--transition-all);
}

.fb-submit-trigger.fb-trigger-cancel {
    background: transparent;
    color: var(--color-text-secondary);
    border: var(--border-width-thin) solid var(--color-border-light);
    box-shadow: none;
}

.fb-submit-trigger.fb-trigger-cancel:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

/* ── Submit Form ─────────────────────────────────────────────────────────── */

.fb-form-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.32s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 0;
    overflow: hidden;
}

.fb-form-wrapper[hidden] {
    display: grid !important; /* override hidden so animation works */
    visibility: hidden;
}

.fb-form-wrapper.fb-form-open {
    grid-template-rows: 1fr;
    margin-bottom: var(--space-6);
    visibility: visible;
}

.fb-form {
    min-height: 0;
    overflow: hidden;
    padding: var(--space-6);
    background: var(--color-bg-secondary);
    border: var(--border-width-thin) solid var(--color-border-light);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    transition:
        transform 0.32s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.28s ease;
}

.fb-form-wrapper.fb-form-open .fb-form {
    transform: translateY(0);
    opacity: 1;
}

.fb-form-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-1) 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.fb-form-title i {
    color: var(--color-primary);
}

.fb-form-desc {
    margin: 0 0 var(--space-5) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.fb-form-fields {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.fb-field-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    position: relative;
}

.fb-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.fb-required {
    color: var(--color-primary);
    margin-left: 2px;
}

.fb-char-count {
    align-self: flex-end;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: -var(--space-1);
}

.fb-input,
.fb-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: var(--border-width-thin) solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    background: var(--color-surface, var(--color-bg-secondary));
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    transition:
        border-color var(--transition-base),
        box-shadow var(--transition-base);
    box-sizing: border-box;
}

.fb-input:hover,
.fb-textarea:hover {
    border-color: var(--color-border-medium);
}

.fb-input:focus,
.fb-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.fb-textarea {
    resize: vertical;
    min-height: 100px;
}

.fb-form-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    padding-top: var(--space-4);
    border-top: var(--border-width-thin) solid var(--color-border-light);
}

.fb-form-msg {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    min-height: 20px;
    flex: 1;
}

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

/* ── Board / Card Grid ───────────────────────────────────────────────────── */

.fb-board {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* ── Feature Request Card ────────────────────────────────────────────────── */

.fb-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    padding: var(--space-5) var(--space-6);
    background: var(--color-bg-secondary);
    border: var(--border-width-thin) solid var(--color-border-light);
    border-radius: var(--border-radius-xl);
    box-shadow: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.fb-card:hover {
    border-color: var(--color-border-medium);
    box-shadow: var(--shadow-sm);
}

/* ── Vote (compact, no card-scale animation) ──────────────────────────────── */

.fb-vote-col {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
}

.fb-vote-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    width: 40px;
    min-height: 44px;
    padding: var(--space-2) var(--space-1);
    border: var(--border-width-thin) solid var(--color-border-light);
    border-radius: var(--border-radius-base);
    background: var(--color-bg-tertiary);
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    user-select: none;
}

.fb-vote-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.fb-vote-btn.voted {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.fb-vote-btn.voted:hover {
    background: rgba(255, 1, 51, 0.12);
}

.fb-vote-btn:active {
    transform: scale(0.97);
}

.fb-vote-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.fb-vote-btn i {
    flex-shrink: 0;
}

.fb-vote-count {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    line-height: 1;
    color: inherit;
}

/* ── Card main content ───────────────────────────────────────────────────── */

.fb-card-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.fb-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.fb-card-title {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
    word-break: break-word;
    flex: 1;
    min-width: 0;
}

.fb-card-desc {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fb-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-top: var(--space-1);
}

.fb-card-author,
.fb-card-date {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* ── Status badge ─────────────────────────────────────────────────────────── */

.fb-status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1.3;
    white-space: nowrap;
    flex-shrink: 0;
}

.fb-status-gray {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}
.fb-status-blue {
    background: var(--color-info-light);
    color: var(--color-info-dark);
}
.fb-status-amber {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
}
.fb-status-green {
    background: var(--color-success-light);
    color: var(--color-success-dark);
}

/* ── Skeleton loading ────────────────────────────────────────────────────── */

.fb-skeleton {
    opacity: 1 !important;
    transform: none !important;
    pointer-events: none;
}

.fb-skeleton-block {
    background: linear-gradient(
        90deg,
        var(--color-gray-200) 25%,
        var(--color-gray-100) 50%,
        var(--color-gray-200) 75%
    );
    background-size: 200% 100%;
    animation: fb-shimmer 1.4s ease-in-out infinite;
}

@keyframes fb-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Empty state ─────────────────────────────────────────────────────────── */

.fb-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-16) var(--space-4);
    color: var(--color-text-tertiary);
    text-align: center;
}

.fb-empty i {
    width: 48px;
    height: 48px;
    opacity: 0.5;
}

.fb-empty p {
    margin: 0;
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

/* ── Error state ─────────────────────────────────────────────────────────── */

.fb-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-12) var(--space-4);
    text-align: center;
    color: var(--color-text-secondary);
}

.fb-error i {
    width: 36px;
    height: 36px;
    opacity: 0.6;
}

.fb-error p {
    margin: 0;
    font-size: var(--font-size-sm);
}

/* ── Dark theme overrides ────────────────────────────────────────────────── */

[data-theme="dark"] .fb-card {
    background: var(--color-surface-elevated, #1e1e21);
    border-color: var(--color-border-light);
}

[data-theme="dark"] .fb-card:hover {
    border-color: var(--color-border-medium);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .fb-form {
    background: var(--color-surface-elevated, #1e1e21);
    border-color: var(--color-border-light);
}

[data-theme="dark"] .fb-input,
[data-theme="dark"] .fb-textarea {
    background: var(--color-bg-secondary);
    border-color: var(--color-border-medium);
    color: var(--color-text-primary);
}

[data-theme="dark"] .fb-input:focus,
[data-theme="dark"] .fb-textarea:focus {
    box-shadow: 0 0 0 3px rgba(255, 1, 51, 0.35);
}

[data-theme="dark"] .fb-input::placeholder,
[data-theme="dark"] .fb-textarea::placeholder {
    color: var(--color-text-tertiary);
    opacity: 0.6;
}

[data-theme="dark"] .fb-vote-btn {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-medium);
    color: var(--color-text-tertiary);
}

[data-theme="dark"] .fb-vote-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

[data-theme="dark"] .fb-vote-btn.voted,
[data-theme="dark"] .fb-vote-btn.voted:hover {
    background: rgba(255, 1, 51, 0.22);
    border-color: var(--color-primary);
    color: var(--color-primary-400, #fb7185);
}

[data-theme="dark"] .fb-submit-trigger.fb-trigger-cancel:hover {
    background: var(--color-bg-tertiary);
}

[data-theme="dark"] .fb-form-footer {
    border-top-color: var(--color-border-medium);
}

[data-theme="dark"] .fb-skeleton-block {
    background: linear-gradient(
        90deg,
        var(--color-gray-800) 25%,
        var(--color-gray-700) 50%,
        var(--color-gray-800) 75%
    );
    background-size: 200% 100%;
    animation: fb-shimmer 1.4s ease-in-out infinite;
}

[data-theme="dark"] .fb-status-gray {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-secondary);
}

[data-theme="dark"] .fb-status-blue {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

[data-theme="dark"] .fb-status-amber {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

[data-theme="dark"] .fb-status-green {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

/* ── Spin animation for loader ───────────────────────────────────────────── */

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

.animate-spin {
    animation: fb-spin 0.8s linear infinite;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .fb-header {
        flex-direction: column;
        gap: var(--space-3);
    }

    .fb-submit-trigger {
        width: 100%;
        justify-content: center;
    }

    .fb-card {
        padding: var(--space-4) var(--space-4);
        gap: var(--space-4);
    }

    .fb-vote-btn {
        width: 36px;
        min-height: 40px;
    }

    .fb-card-head {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .fb-form {
        padding: var(--space-4);
    }

    .fb-form-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .fb-form-actions {
        justify-content: flex-end;
    }
}