/* ============================================
   auction.css - تم شیشه‌ای تیره یکپارچه با channelEx.ir
   بازار مزایده کانال و گروه
   ============================================ */

:root {
    --primary: #f2c14e;              /* طلایی - رنگ اصلی مزایده/پیشنهاد */
    --primary-dark: #d9a832;
    --secondary: #6ee7c7;            /* سبز نعنایی - قیمت/موفقیت */
    --success: #34d399;
    --warning: #f2c14e;
    --danger: #f2555a;
    --bg: #0d0d0d;
    --bg-elevated: #131313;
    --card-bg: rgba(30, 30, 30, 0.55);
    --card-bg-solid: #1a1a1a;
    --glass-hover: rgba(40, 40, 40, 0.8);
    --text: #f5f5f5;
    --text-muted: #9a9a9a;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    --radius: 18px;
    --radius-sm: 12px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --blur: blur(20px) saturate(180%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Tahoma, sans-serif;
    background: var(--bg);
    background-image:
        radial-gradient(circle at 15% 0%, rgba(242, 193, 78, 0.09), transparent 45%),
        radial-gradient(circle at 90% 20%, rgba(110, 231, 199, 0.07), transparent 40%);
    background-attachment: fixed;
    color: var(--text);
    transition: background var(--transition), color var(--transition);
    padding-bottom: 80px;
    min-height: 100vh;
}

.app-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px 100px 16px;
    position: relative;
}

/* ===== Header ===== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 13, 13, 0.7);
    padding: 16px 0 12px 0;
    border-bottom: 1px solid var(--border);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
}

.app-header .header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px;
}

.app-header .back-btn,
.app-header .header-action {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.app-header .back-btn:hover,
.app-header .header-action:hover {
    background: var(--glass-hover);
    border-color: var(--border-hover);
}

.app-header .header-action {
    background: var(--primary);
    color: #14120a;
    border: none;
    font-weight: 700;
}

.app-header h1 {
    font-size: 1.15rem;
    font-weight: 700;
}

/* ===== Search Bar ===== */
.search-bar {
    margin: 16px 0;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    color: var(--text);
    font-size: 0.95rem;
    transition: all var(--transition);
    outline: none;
}

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

.search-bar input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(242, 193, 78, 0.12);
}

.search-bar .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* ===== Category Tabs ===== */
.category-tabs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 4px 0 16px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-tabs::-webkit-scrollbar { display: none; }

.category-tabs .cat-tab {
    flex-shrink: 0;
    padding: 8px 20px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.category-tabs .cat-tab:hover { border-color: var(--border-hover); color: var(--text); }

.category-tabs .cat-tab.active {
    background: var(--primary);
    color: #14120a;
    border-color: var(--primary);
    font-weight: 700;
}

/* ===== Auction Card ===== */
.auction-card {
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
    transition: all var(--transition);
    border: 1px solid var(--border);
    cursor: pointer;
}

.auction-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: 0 12px 40px rgba(0,0,0,0.55);
}

.auction-card .card-image-wrap {
    position: relative;
    width: 100%;
    height: 170px;
    background: linear-gradient(135deg, #1e1e1e, #141414);
}

.auction-card .card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.auction-card .platform-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(13,13,13,0.75);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.auction-card .members-badge {
    position: absolute;
    bottom: 10px;
    left: 10px;
    background: rgba(13,13,13,0.75);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border);
    color: var(--secondary);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
}

.auction-card .card-body { padding: 14px 16px 16px; }

.auction-card .card-title {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.auction-card .card-desc {
    color: var(--text-muted);
    font-size: 0.83rem;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.auction-card .card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.auction-card .price-info .price-label { font-size: 0.7rem; color: var(--text-muted); }

.auction-card .price-info .price-value {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary);
}

.auction-card .bid-count { font-size: 0.78rem; color: var(--text-muted); }

.auction-card .time-left {
    font-size: 0.78rem;
    color: var(--secondary);
    font-weight: 600;
    direction: ltr;
}

.auction-card .time-left.urgent { color: var(--danger); animation: pulse 1.5s infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.auction-card .status-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
}

.auction-card .status-badge.active { background: rgba(52,211,153,0.15); color: #34d399; }
.auction-card .status-badge.ended { background: rgba(242,85,90,0.15); color: #f2555a; }
.auction-card .status-badge.upcoming { background: rgba(242,193,78,0.15); color: #f2c14e; }

/* ===== Floating Action Button ===== */
.fab {
    position: fixed;
    bottom: calc(80px + var(--safe-bottom));
    right: 20px;
    z-index: 50;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--primary);
    color: #14120a;
    border: none;
    font-size: 1.6rem;
    box-shadow: 0 8px 30px rgba(242,193,78,0.35);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab:hover { transform: scale(1.08); }

/* ===== Bottom Navigation ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(13,13,13,0.75);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 8px 0 calc(8px + var(--safe-bottom));
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
}

.bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 4px 16px;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 0.65rem;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.bottom-nav .nav-item .nav-icon { font-size: 1.35rem; }
.bottom-nav .nav-item.active { color: var(--primary); }

.bottom-nav .nav-item .badge {
    position: absolute;
    top: 0;
    right: 4px;
    background: var(--danger);
    color: white;
    font-size: 0.6rem;
    padding: 1px 6px;
    border-radius: 10px;
    font-weight: 700;
}

/* ===== Skeleton Loading ===== */
.skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.09) 50%, rgba(255,255,255,0.04) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

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

/* ===== Detail Page ===== */
.auction-detail .detail-image-wrap {
    position: relative;
    width: 100%;
    height: 260px;
    border-radius: var(--radius);
    overflow: hidden;
    background: linear-gradient(135deg, #1e1e1e, #141414);
}

.auction-detail .detail-image { width: 100%; height: 100%; object-fit: cover; }

.auction-detail .detail-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 14px 0 6px;
}

.auction-detail .info-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text);
}

.auction-detail .info-chip.members { color: var(--secondary); }

.auction-detail .detail-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 12px 0 8px;
}

.auction-detail .channel-link {
    display: inline-block;
    color: var(--primary);
    font-size: 0.85rem;
    text-decoration: none;
    direction: ltr;
    margin-bottom: 8px;
}

.auction-detail .channel-link:hover { text-decoration: underline; }

.auction-detail .detail-price { font-size: 1.9rem; font-weight: 800; color: var(--primary); }

.auction-detail .bid-section {
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin: 16px 0;
}

.auction-detail .bid-input-group { display: flex; gap: 10px; align-items: center; }

.auction-detail .bid-input-group input {
    flex: 1;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 1rem;
    outline: none;
}

.auction-detail .bid-input-group input:focus { border-color: var(--primary); }

.auction-detail .bid-input-group .bid-btn {
    padding: 14px 24px;
    background: var(--primary);
    color: #14120a;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.auction-detail .bid-input-group .bid-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.auction-detail .bid-history {
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.auction-detail .bid-history .bid-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.auction-detail .bid-history .bid-item:last-child { border-bottom: none; }
.auction-detail .bid-history .bid-amount { color: var(--primary); font-weight: 700; }

/* ===== Forms (create-auction / channel-register) ===== */
.create-auction .form-group,
.glass-form .form-group { margin-bottom: 16px; }

.create-auction .form-group label,
.glass-form .form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.create-auction .form-group input,
.create-auction .form-group textarea,
.create-auction .form-group select,
.glass-form .form-group input,
.glass-form .form-group textarea,
.glass-form .form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    color: var(--text);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition);
}

.create-auction .form-group input:focus,
.create-auction .form-group textarea:focus,
.create-auction .form-group select:focus,
.glass-form .form-group input:focus,
.glass-form .form-group textarea:focus,
.glass-form .form-group select:focus { border-color: var(--primary); }

.create-auction .form-group textarea,
.glass-form .form-group textarea { min-height: 100px; resize: vertical; }

.create-auction .form-group select option,
.glass-form .form-group select option { background: #1a1a1a; color: var(--text); }

.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

.create-auction .form-group .file-upload,
.glass-form .form-group .file-upload {
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 28px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-muted);
    background: var(--card-bg);
}

.create-auction .form-group .file-upload:hover,
.glass-form .form-group .file-upload:hover { border-color: var(--primary); color: var(--primary); }

.create-auction .form-group .file-upload input,
.glass-form .form-group .file-upload input { display: none; }

.btn-gold {
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: #14120a;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-gold:hover:not(:disabled) { background: var(--primary-dark); }
.btn-gold:disabled { opacity: 0.6; cursor: not-allowed; }

.field-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; }

/* ===== Toast ===== */
#toastContainer {
    position: fixed;
    bottom: 100px;
    left: 16px;
    right: 16px;
    z-index: 200;
    display: flex;
    flex-direction: column;
}

.toast-item {
    background: rgba(26,26,26,0.9);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    box-shadow: var(--shadow);
    animation: slideUp 0.3s ease;
    direction: rtl;
    border: 1px solid var(--border);
    border-right: 4px solid var(--primary);
    color: var(--text);
}

.toast-item.success { border-right-color: #34d399; }
.toast-item.error { border-right-color: #f2555a; }
.toast-item.warning { border-right-color: #f2c14e; }

@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Empty / Market cards (channels market) ===== */
.channel-card {
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 14px;
    display: flex;
    gap: 12px;
    align-items: center;
    transition: all var(--transition);
    cursor: default;
}

.channel-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }

.channel-card .thumb {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, #1e1e1e, #141414);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    border: 1px solid var(--border);
}

.channel-card .info { flex: 1; min-width: 0; }
.channel-card .info .title { font-weight: 700; font-size: 0.95rem; margin-bottom: 3px; }
.channel-card .info .sub { font-size: 0.78rem; color: var(--text-muted); }
.channel-card .price { font-weight: 800; color: var(--primary); font-size: 0.95rem; white-space: nowrap; }

/* ===== Responsive ===== */
@media (max-width: 480px) {
    .app-container { padding: 0 12px 100px 12px; }
    .fab { width: 52px; height: 52px; font-size: 1.4rem; bottom: calc(76px + var(--safe-bottom)); right: 16px; }
    .auction-card .card-image-wrap { height: 150px; }
    .auction-detail .detail-image-wrap { height: 200px; }
    .form-row { flex-direction: column; gap: 0; }
}