/* ─── problems.css ───────────────────────────────────────────────────────────── */

/* ══════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════ */
.prb-hero {
    position: relative;
    background: linear-gradient(150deg, var(--teal-xl) 0%, var(--teal-d) 55%, var(--teal) 100%);
    padding: 80px 24px 60px;
    overflow: hidden;
    border-radius: 0 0 48px 48px;
}
.prb-hero-orb {
    position: absolute; border-radius: 50%;
    filter: blur(64px); pointer-events: none;
}
.prb-hero-orb-1 { width: 320px; height: 320px; background: rgba(217,112,61,.2); top: -80px; right: -40px; }
.prb-hero-orb-2 { width: 240px; height: 240px; background: rgba(255,255,255,.06); bottom: -40px; left: -40px; }

.prb-hero-inner {
    position: relative; z-index: 2;
    display: flex; flex-direction: column; align-items: center; gap: 32px;
}
.prb-hero-text { text-align: center; max-width: 620px; }

.prb-hero-badge {
    display: inline-flex; align-items: center; gap: 7px;
    background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
    border-radius: 99px; padding: 6px 14px;
    font-size: 12px; font-weight: 600; color: rgba(255,255,255,.9);
    margin-bottom: 18px; backdrop-filter: blur(6px);
}

.prb-hero-title {
    font-size: clamp(26px, 4.5vw, 46px);
    font-weight: 800; color: #fff;
    letter-spacing: -.6px; line-height: 1.15;
    margin-bottom: 14px;
}
[dir="rtl"] .prb-hero-title { letter-spacing: 0; }
.prb-hero-title em { font-style: normal; color: var(--orange); }

.prb-hero-sub {
    font-size: 15px; color: rgba(255,255,255,.72);
    line-height: 1.7; margin-bottom: 28px;
}

.prb-hero-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; color: var(--teal-d);
    padding: 13px 24px; border-radius: 12px;
    font-size: 14px; font-weight: 700;
    transition: transform var(--t), box-shadow var(--t), opacity var(--t);
    box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
.prb-hero-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,.25); opacity: .95; }

.prb-hero-stats {
    display: flex; align-items: center; gap: 24px;
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18);
    border-radius: 16px; padding: 16px 28px;
    backdrop-filter: blur(8px);
}
.prb-stat { text-align: center; }
.prb-stat strong { display: block; font-size: 22px; font-weight: 800; color: #fff; }
.prb-stat span   { font-size: 12px; color: rgba(255,255,255,.65); }
.prb-stat-div { width: 1px; height: 32px; background: rgba(255,255,255,.2); flex-shrink: 0; }


/* ══════════════════════════════════════════════════
   LIST SECTION
══════════════════════════════════════════════════ */
.prb-list-section { padding: 52px 24px 80px; background: var(--bg2); }

/* Toolbar */
.prb-toolbar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 20px;
}
.prb-count { font-size: 14px; font-weight: 600; color: var(--muted); }
.prb-post-btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 10px 18px; background: var(--teal); color: #fff;
    border-radius: 10px; font-size: 13px; font-weight: 700;
    transition: background var(--t); flex-shrink: 0;
}
.prb-post-btn:hover { background: var(--teal-d); }

/* Notice banner */
.prb-notice {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px; margin-bottom: 20px;
    background: rgba(46,124,133,.07);
    border: 1px solid rgba(46,124,133,.2);
    border-radius: 12px;
    font-size: 13px; color: var(--teal); font-weight: 500;
}

/* Cards grid */
.prb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* Card */
.prb-card {
    background: #fff; border: 1px solid var(--border);
    border-radius: 18px; padding: 22px 24px;
    display: flex; flex-direction: column; gap: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,.05);
    transition: box-shadow var(--t), border-color var(--t), transform var(--t);
}
.prb-card:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,.1);
    border-color: rgba(46,124,133,.25);
    transform: translateY(-2px);
}
.prb-card--mine { border-color: rgba(46,124,133,.3); background: rgba(46,124,133,.02); }
.prb-card--urgent { border-color: rgba(217,112,61,.3); }

.prb-card-top {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    flex-wrap: wrap;
}
.prb-card-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

/* Badges */
.prb-cat-badge {
    font-size: 11px; font-weight: 600; color: var(--teal);
    background: rgba(46,124,133,.1); border-radius: 6px;
    padding: 3px 8px;
}
.prb-urgent-badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 11px; font-weight: 700; color: var(--orange);
    background: rgba(217,112,61,.1); border-radius: 6px;
    padding: 3px 8px;
}
.prb-badge {
    font-size: 11px; font-weight: 700; border-radius: 6px;
    padding: 3px 9px; flex-shrink: 0;
}
.prb-badge--open     { background: rgba(16,185,129,.1); color: #10B981; }
.prb-badge--pending  { background: rgba(245,158,11,.1);  color: #D97706; }
.prb-badge--closed   { background: rgba(107,114,128,.1); color: var(--muted); }
.prb-badge--progress { background: rgba(59,130,246,.1);  color: #2563EB; }
.prb-badge--default  { background: var(--bg2); color: var(--muted); }

.prb-card-title {
    font-size: 15px; font-weight: 700; color: var(--text);
    line-height: 1.4;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.prb-card-title a {
    color: inherit; text-decoration: none;
}
.prb-card-title a:hover { color: var(--teal); }
.prb-card-desc {
    font-size: 13px; color: var(--muted); line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    flex: 1;
}

/* Footer */
.prb-card-footer {
    display: flex; align-items: center; justify-content: space-between;
    gap: 8px; margin-top: 4px; flex-wrap: wrap;
}
.prb-card-info { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.prb-info-chip {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12px; color: var(--muted); font-weight: 500;
}
.prb-info-chip--time { color: var(--muted); opacity: .75; font-size: 11px; }

/* Bid button */
.prb-bid-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px; background: var(--teal); color: #fff;
    border: none; border-radius: 9px;
    font-size: 12px; font-weight: 700; font-family: inherit;
    cursor: pointer; flex-shrink: 0;
    transition: background var(--t);
}
.prb-bid-btn:hover { background: var(--teal-d); }
.prb-bid-btn--ghost {
    background: transparent; border: 1.5px solid var(--border); color: var(--text);
}
.prb-bid-btn--ghost:hover { border-color: var(--teal); color: var(--teal); background: rgba(46,124,133,.04); }

.prb-mine-label, .prb-pending-label {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 12px; color: var(--muted); font-weight: 600;
}
.prb-mine-label { color: var(--teal); }
.prb-pending-label { color: #D97706; }


/* ══════════════════════════════════════════════════
   EMPTY STATE
══════════════════════════════════════════════════ */
.prb-empty {
    text-align: center; padding: 80px 24px;
}
.prb-empty-icon {
    width: 72px; height: 72px; border-radius: 20px;
    background: rgba(46,124,133,.08); border: 1.5px solid rgba(46,124,133,.15);
    display: flex; align-items: center; justify-content: center;
    color: var(--teal); margin: 0 auto 24px;
}
.prb-empty h2 { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.prb-empty p  { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 28px; max-width: 380px; margin-inline: auto; }
.prb-empty-btn {
    display: inline-flex; align-items: center;
    padding: 12px 24px; background: var(--teal); color: #fff;
    border-radius: 12px; font-size: 14px; font-weight: 700;
    transition: background var(--t);
}
.prb-empty-btn:hover { background: var(--teal-d); }


/* ══════════════════════════════════════════════════
   BID TOAST
══════════════════════════════════════════════════ */
.prb-toast {
    position: fixed; bottom: 24px; inset-inline-start: 50%;
    transform: translateX(-50%);
    display: flex; align-items: center; gap: 10px;
    padding: 12px 20px;
    background: var(--teal-xl); color: #fff;
    border-radius: 12px; font-size: 13px; font-weight: 600;
    box-shadow: 0 8px 32px rgba(0,0,0,.3);
    z-index: 9999;
    animation: prb-slide-up .25s ease;
}
@keyframes prb-slide-up {
    from { opacity: 0; transform: translateX(-50%) translateY(12px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}


/* ══════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .prb-hero { padding: 64px 20px 48px; border-radius: 0 0 32px 32px; }
    .prb-hero-stats { gap: 16px; padding: 14px 20px; }
    .prb-hero-stats .prb-stat strong { font-size: 18px; }
    .prb-list-section { padding: 36px 16px 60px; }
    .prb-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .prb-hero-title { font-size: 26px; }
    .prb-hero-stats { flex-wrap: wrap; justify-content: center; }
    .prb-stat-div { display: none; }
    .prb-card { padding: 18px 20px; }
}