/* =============================================
   Community Feed — community.css
   Page-specific styles only. Shared vars/layout
   come from style.css (loaded globally).
   ============================================= */

/* ── Hero ──────────────────────────────────────── */
.community-hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--color-primary) 60%, var(--bg-secondary) 100%);
    padding: 28px 20px 24px;
    text-align: center;
    margin: 0 -16px 16px;
    position: relative;
    overflow: hidden;
}
.community-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.community-hero-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: #fff;
    margin: 0 0 6px;
    position: relative;
    z-index: 1;
}
.community-hero-title i { margin-right: 6px; }
.community-hero-desc {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.75);
    margin: 0;
    position: relative;
    z-index: 1;
}

/* ── Topic Filter Chips ─────────────────────────── */
.topic-filter-wrap {
    margin: 0 -16px 12px;
    padding: 0 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.topic-filter-wrap::-webkit-scrollbar { display: none; }
.topic-filter-track {
    display: flex;
    gap: 8px;
    padding: 4px 0;
    white-space: nowrap;
}
.topic-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
    font-size: 0.78rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-fast);
    min-height: 36px;
}
.topic-chip.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.topic-chip:active { transform: scale(0.96); }
.topic-chip-count {
    background: rgba(0,0,0,0.1);
    padding: 1px 6px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
}

/* ── Sort Tabs ────────────────────────────────── */
.sort-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 0;
}
.sort-tab {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--gray-500);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}
.sort-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.sort-tab:active { opacity: 0.7; }

/* ── Post Card ──────────────────────────────── */
.post-card {
    display: flex;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 14px;
    margin-bottom: 10px;
    transition: var(--transition-fast);
}
.post-card.pinned {
    border-left: 3px solid var(--color-accent);
    background: rgba(232, 184, 75, 0.03);
}

/* Vote sidebar (card) */
.post-card-votes {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    min-width: 38px;
    flex-shrink: 0;
}
.vote-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 28px;
    border: none;
    background: none;
    color: var(--gray-400);
    font-size: 1.1rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}
.vote-btn:active { transform: scale(0.9); }
.vote-btn.up.voted { color: var(--color-primary); }
.vote-btn.down.voted { color: var(--danger); }
.vote-btn.up:hover { color: var(--color-primary); background: rgba(58,125,68,0.08); }
.vote-btn.down:hover { color: var(--danger); background: rgba(239,68,68,0.08); }
.vote-score {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gray-700);
    min-width: 20px;
    text-align: center;
}

/* Card body */
.post-card-body {
    flex: 1;
    min-width: 0;
    text-decoration: none;
    color: inherit;
}
.post-card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 6px;
}
.topic-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.68rem;
    font-weight: 600;
}
.type-badge.question {
    background: rgba(99,102,241,0.1);
    color: #6366f1;
    font-size: 0.68rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
}
.pin-badge { color: var(--color-accent); font-size: 0.72rem; }
.lock-badge { color: var(--gray-400); font-size: 0.72rem; }
.post-card-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--gray-900);
    margin: 0 0 4px;
    line-height: 1.35;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.post-card-excerpt {
    font-size: 0.78rem;
    color: var(--gray-500);
    margin: 0 0 10px;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.post-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.post-card-author {
    display: flex;
    align-items: center;
    gap: 6px;
}
.post-card-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    flex-shrink: 0;
}
.post-card-author-name {
    font-size: 0.72rem;
    color: var(--gray-600);
    font-weight: 500;
}
.post-card-stats {
    display: flex;
    gap: 10px;
    font-size: 0.7rem;
    color: var(--gray-400);
}
.post-card-stats i { margin-right: 2px; }
.post-card-time { color: var(--gray-400); }

/* ── Empty State ────────────────────────────── */
.community-empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--gray-400);
}
.community-empty i { font-size: 2.5rem; margin-bottom: 12px; display: block; }
.community-empty p { font-size: 0.88rem; margin-bottom: 16px; }
.btn-create-post {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ── FAB ───────────────────────────────────── */
.community-fab {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 16px rgba(58,125,68,0.35);
    text-decoration: none;
    z-index: 50;
    transition: var(--transition-fast);
}
.community-fab:active { transform: scale(0.92); }

/* ── Pagination ────────────────────────────── */
.community-pagination {
    padding: 16px 0 24px;
    display: flex;
    justify-content: center;
}
.community-pagination nav { font-size: 0.82rem; }

/* ── Back Link ─────────────────────────────── */
.community-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    margin-bottom: 16px;
}

/* ── Username Setup ────────────────────────── */
.username-setup {
    text-align: center;
    padding: 40px 20px;
    max-width: 420px;
    margin: 0 auto;
}
.username-setup-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--bg-primary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin: 0 auto 16px;
}
.username-setup-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--gray-900);
    margin: 0 0 8px;
}
.username-setup-desc {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin: 0 0 24px;
    line-height: 1.5;
}
.username-form { text-align: left; }
.username-input-wrap {
    display: flex;
    align-items: center;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition-fast);
}
.username-input-wrap:focus-within { border-color: var(--color-primary); }
.username-prefix {
    padding: 10px 0 10px 14px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-400);
}
.username-input {
    flex: 1;
    border: none;
    padding: 10px 14px 10px 4px;
    font-size: 1rem;
    outline: none;
    background: transparent;
}
.username-error {
    color: var(--danger);
    font-size: 0.78rem;
    margin-top: 6px;
}
.username-rules {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}
.username-rules li {
    font-size: 0.78rem;
    color: var(--gray-500);
    padding: 3px 0;
}
.username-rules li i { color: var(--success); margin-right: 6px; }
.username-submit-btn {
    width: 100%;
    padding: 12px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-fast);
}
.username-submit-btn:active { transform: scale(0.98); }

/* ── Create Post Form ──────────────────────── */
.community-create {
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 32px;
}
.community-create-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--gray-900);
    margin: 0 0 20px;
}
.community-create-form .form-group { margin-bottom: 16px; }
.community-create-form .form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}
.community-create-form .required { color: var(--danger); }
.community-create-form .form-control,
.community-create-form .form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    transition: var(--transition-fast);
    background: #fff;
}
.community-create-form .form-control:focus,
.community-create-form .form-select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(58,125,68,0.1);
}
.community-create-form .body-textarea { min-height: 180px; resize: vertical; }
.community-create-form .is-invalid { border-color: var(--danger); }
.community-create-form .invalid-feedback {
    color: var(--danger);
    font-size: 0.78rem;
    margin-top: 4px;
}
.char-counter {
    text-align: right;
    font-size: 0.72rem;
    color: var(--gray-400);
    margin-top: 4px;
}

/* Post type toggle */
.post-type-toggle {
    display: flex;
    gap: 8px;
}
.post-type-option input { display: none; }
.post-type-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition-fast);
}
.post-type-option input:checked + .post-type-btn {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}
.btn-cancel {
    padding: 10px 20px;
    color: var(--gray-500);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}
.btn-submit-post {
    padding: 10px 24px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}
.btn-submit-post:active { transform: scale(0.98); }

/* ── Comments locked ──────────────────────── */
.comments-locked {
    text-align: center;
    padding: 32px 20px;
    color: var(--gray-400);
    border: 1px dashed var(--gray-200);
    border-radius: var(--radius-sm);
    margin-top: 24px;
}
.comments-locked i { font-size: 1.5rem; margin-bottom: 8px; display: block; }

/* ── Desktop ────────────────────────────────── */
@media (min-width: 600px) {
    .topic-chip:hover {
        background: var(--gray-100);
        border-color: var(--gray-300);
    }
    .topic-chip.active:hover {
        background: var(--color-primary);
    }
    .sort-tab:hover { color: var(--color-primary); }
    .post-card:hover {
        border-color: var(--gray-300);
        box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    }
    .community-fab:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(58,125,68,0.45);
    }
}