/* =====================================================================
   OTCdomain — Main stylesheet
   Data-rich Shopify-style dashboard + marketplace front-end
   Brand: #5B2EFF (primary) / #C4B5FD (accent) / #1A1A2E (dark) / #00F5A0 (success)
   ===================================================================== */

:root {
    --c-primary:        #5B2EFF;
    --c-primary-700:    #4B1FE0;
    --c-primary-50:     #EFEAFF;
    --c-accent:         #C4B5FD;
    --c-accent-50:      #F2EFFE;
    --c-dark:           #1A1A2E;
    --c-dark-2:         #252541;
    --c-success:        #00F5A0;
    --c-success-700:    #00C383;
    --c-warning:        #FFB020;
    --c-danger:         #FF4D6D;
    --c-info:           #4DA3FF;

    --c-text:           #1A1A2E;
    --c-text-muted:     #6B7191;
    --c-text-soft:      #9CA0BC;
    --c-border:         #E6E7F2;
    --c-border-strong:  #CDD0E4;
    --c-bg:             #F7F8FC;
    --c-bg-card:        #FFFFFF;
    --c-bg-soft:        #F2F3FA;

    --r-sm:  6px;
    --r-md:  10px;
    --r-lg:  16px;
    --r-xl:  24px;
    --r-pill: 999px;

    --shadow-sm: 0 1px 2px rgba(26,26,46,.06);
    --shadow-md: 0 4px 16px rgba(26,26,46,.08);
    --shadow-lg: 0 12px 40px rgba(26,26,46,.12);
    --shadow-glow: 0 0 0 4px rgba(91,46,255,.12);

    --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
    --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;
    --font-mono:    'JetBrains Mono', ui-monospace, Menlo, monospace;

    --container: 1240px;
    --header-h: 72px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.55;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--c-primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--c-primary-700); }

img { max-width: 100%; display: block; }

h1,h2,h3,h4,h5,h6 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--c-text);
    margin: 0 0 .6em;
}
h1 { font-size: 2.4rem; line-height: 1.1; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

p  { margin: 0 0 1em; }
hr { border: 0; border-top: 1px solid var(--c-border); margin: 1.5rem 0; }

code, pre { font-family: var(--font-mono); font-size: .9em; }

/* ---- Layout primitives ---------------------------------------------------- */

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.center { text-align: center; }
.muted { color: var(--c-text-muted); }
.soft { color: var(--c-text-soft); }
.mono { font-family: var(--font-mono); }

.section { padding: 56px 0; }
.section-sm { padding: 32px 0; }

/* ---- Header --------------------------------------------------------------- */

.site-header {
    background: var(--c-bg-card);
    border-bottom: 1px solid var(--c-border);
    height: var(--header-h);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(160%) blur(8px);
}
.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 32px;
}
.site-header .logo img { height: 36px; }
.nav-main {
    display: flex;
    gap: 6px;
    flex: 1;
}
.nav-main a {
    color: var(--c-text);
    padding: 8px 14px;
    border-radius: var(--r-md);
    font-weight: 500;
    font-size: .95rem;
}
.nav-main a:hover, .nav-main a.active {
    background: var(--c-primary-50);
    color: var(--c-primary);
}
.nav-actions { display: flex; gap: 10px; align-items: center; }

.mobile-toggle {
    display: none;
    background: none; border: 0; padding: 8px;
    color: var(--c-text);
    cursor: pointer;
}
@media (max-width: 880px) {
    .nav-main { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; background: var(--c-bg-card); border-bottom: 1px solid var(--c-border); padding: 12px; }
    .nav-main.open { display: flex; }
    .mobile-toggle { display: inline-flex; }
}

/* ---- Footer --------------------------------------------------------------- */

.site-footer {
    background: var(--c-dark);
    color: #C9CCE5;
    padding: 56px 0 24px;
    margin-top: 80px;
}
.site-footer h4 { color: #FFFFFF; font-size: 1rem; margin-bottom: 16px; letter-spacing: .04em; text-transform: uppercase; }
.site-footer a { color: #C9CCE5; }
.site-footer a:hover { color: var(--c-success); }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 40px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-bottom {
    border-top: 1px solid #2D2D52;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .9rem;
    color: #9697B5;
}
.social-list { display: flex; flex-wrap: wrap; gap: 10px; }
.social-list a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    background: rgba(255,255,255,.06);
    border-radius: var(--r-pill);
    transition: background .2s;
}
.social-list a:hover { background: var(--c-primary); color: #fff; }

/* ---- Buttons -------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--r-md);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: .95rem;
    border: 1px solid transparent;
    background: var(--c-primary);
    color: #fff;
    cursor: pointer;
    transition: all .15s ease;
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}
.btn:hover { background: var(--c-primary-700); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn:disabled, .btn.disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-secondary { background: var(--c-bg-card); color: var(--c-text); border-color: var(--c-border); }
.btn-secondary:hover { background: var(--c-bg-soft); color: var(--c-text); }

.btn-ghost { background: transparent; color: var(--c-text); }
.btn-ghost:hover { background: var(--c-bg-soft); color: var(--c-text); }

.btn-success { background: var(--c-success); color: var(--c-dark); }
.btn-success:hover { background: var(--c-success-700); color: var(--c-dark); }

.btn-danger { background: var(--c-danger); }
.btn-danger:hover { background: #E63E5C; }

.btn-outline { background: transparent; border-color: var(--c-primary); color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; }

.btn-sm { padding: 7px 12px; font-size: .85rem; }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---- Forms ---------------------------------------------------------------- */

.form-group { margin-bottom: 18px; }
.form-label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--c-text); }
.form-help { font-size: .82rem; color: var(--c-text-muted); margin-top: 4px; }
.form-error { color: var(--c-danger); font-size: .85rem; margin-top: 4px; }

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    font: inherit;
    color: var(--c-text);
    background: var(--c-bg-card);
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus,
input:focus, select:focus, textarea:focus {
    outline: 0;
    border-color: var(--c-primary);
    box-shadow: var(--shadow-glow);
}
textarea { min-height: 110px; resize: vertical; }

.input-group { display: flex; }
.input-group .form-control { border-radius: var(--r-md) 0 0 var(--r-md); }
.input-group .btn { border-radius: 0 var(--r-md) var(--r-md) 0; }

.captcha-row { display: flex; align-items: center; gap: 12px; }
.captcha-question { padding: 11px 14px; background: var(--c-bg-soft); border-radius: var(--r-md); font-family: var(--font-mono); font-weight: 600; }
.captcha-row input { max-width: 110px; }

/* ---- Cards ---------------------------------------------------------------- */

.card {
    background: var(--c-bg-card);
    border-radius: var(--r-lg);
    border: 1px solid var(--c-border);
    overflow: hidden;
}
.card-pad { padding: 24px; }
.card-header { padding: 18px 24px; border-bottom: 1px solid var(--c-border); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.card-header h3 { margin: 0; font-size: 1.05rem; }
.card-body { padding: 24px; }

.stat-card {
    background: var(--c-bg-card);
    border-radius: var(--r-lg);
    border: 1px solid var(--c-border);
    padding: 20px;
}
.stat-card .label { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--c-text-muted); margin-bottom: 8px; font-weight: 600; }
.stat-card .value { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--c-text); line-height: 1.1; }
.stat-card .delta { font-size: .85rem; margin-top: 4px; color: var(--c-text-muted); }
.stat-card .delta.up { color: var(--c-success-700); }
.stat-card .delta.down { color: var(--c-danger); }

/* ---- Listing cards -------------------------------------------------------- */

.listing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.listing-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform .2s, box-shadow .2s;
    position: relative;
    display: flex;
    flex-direction: column;
}
.listing-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.listing-card .thumb {
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    padding: 12px;
    word-break: break-all;
}
.listing-card .thumb.has-img { background: var(--c-bg-soft); }
.listing-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.listing-card .body { padding: 16px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.listing-card .title { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--c-text); margin: 0; }
.listing-card .price { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--c-primary); }
.listing-card .price-tag { background: var(--c-success); color: var(--c-dark); padding: 2px 10px; border-radius: var(--r-pill); font-size: .85rem; font-weight: 700; display: inline-block; }
.listing-card .meta { display: flex; gap: 8px; font-size: .8rem; color: var(--c-text-muted); }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--r-pill);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    background: var(--c-bg-soft);
    color: var(--c-text-muted);
}
.badge-primary  { background: var(--c-primary-50);  color: var(--c-primary); }
.badge-success  { background: rgba(0,245,160,.15); color: var(--c-success-700); }
.badge-warning  { background: rgba(255,176,32,.15); color: #B57500; }
.badge-danger   { background: rgba(255,77,109,.12); color: var(--c-danger); }
.badge-info     { background: rgba(77,163,255,.12); color: #2566B5; }
.badge-dark     { background: var(--c-dark); color: #fff; }

/* ---- Tables --------------------------------------------------------------- */

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--c-bg-card);
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--c-border);
}
.table th, .table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--c-border);
    font-size: .9rem;
    vertical-align: middle;
}
.table th {
    background: var(--c-bg-soft);
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--c-text-muted);
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--c-bg-soft); }
.table-actions { display: flex; gap: 6px; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--r-lg); }

/* ---- Alerts / flash messages --------------------------------------------- */

.alert {
    padding: 12px 16px;
    border-radius: var(--r-md);
    border-left: 4px solid var(--c-primary);
    background: var(--c-primary-50);
    color: var(--c-text);
    margin-bottom: 16px;
    font-size: .95rem;
}
.alert-success { border-color: var(--c-success-700); background: rgba(0,245,160,.1); }
.alert-error,
.alert-danger  { border-color: var(--c-danger); background: rgba(255,77,109,.08); }
.alert-warning { border-color: var(--c-warning); background: rgba(255,176,32,.1); }
.alert-info    { border-color: var(--c-info); background: rgba(77,163,255,.08); }

/* ---- Hero ---------------------------------------------------------------- */

.hero {
    background: radial-gradient(circle at 80% 20%, rgba(91,46,255,.18), transparent 50%),
                radial-gradient(circle at 10% 90%, rgba(0,245,160,.12), transparent 50%),
                var(--c-dark);
    color: #fff;
    padding: 96px 0 80px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.06) 1px, transparent 0);
    background-size: 32px 32px;
    pointer-events: none;
}
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 4rem); }
.hero .lead { font-size: 1.2rem; color: var(--c-accent); max-width: 640px; }
.hero .accent { color: var(--c-success); }

.search-hero {
    background: var(--c-bg-card);
    border-radius: var(--r-xl);
    padding: 16px;
    box-shadow: var(--shadow-lg);
    margin-top: 36px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.search-hero input { flex: 1; min-width: 200px; border: 0; padding: 14px 16px; font-size: 1.05rem; }
.search-hero input:focus { box-shadow: none; }
.search-hero .btn { padding: 14px 28px; }

/* ---- Sidebar layout (admin/seller) --------------------------------------- */

.dash-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: calc(100vh - var(--header-h));
}
@media (max-width: 880px) {
    .dash-shell { grid-template-columns: 1fr; }
    .dash-sidebar { display: none; }
}
.dash-sidebar {
    background: var(--c-bg-card);
    border-right: 1px solid var(--c-border);
    padding: 24px 16px;
}
.dash-sidebar h5 {
    font-family: var(--font-display);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--c-text-soft);
    margin: 16px 12px 8px;
}
.dash-nav { display: flex; flex-direction: column; gap: 2px; }
.dash-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--r-md);
    color: var(--c-text);
    font-weight: 500;
    font-size: .92rem;
}
.dash-nav a:hover { background: var(--c-bg-soft); }
.dash-nav a.active { background: var(--c-primary-50); color: var(--c-primary); font-weight: 600; }
.dash-main { padding: 32px; background: var(--c-bg); }
@media (max-width: 600px) { .dash-main { padding: 16px; } }

.page-title { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.page-title h1 { font-size: 1.8rem; margin: 0; }

/* ---- Filters / search bar ------------------------------------------------- */

.filter-bar {
    display: flex; flex-wrap: wrap; gap: 12px; align-items: end;
    background: var(--c-bg-card); padding: 16px;
    border-radius: var(--r-lg); border: 1px solid var(--c-border);
    margin-bottom: 24px;
}
.filter-bar .form-group { margin: 0; min-width: 180px; flex: 1; }

/* ---- Auction countdown --------------------------------------------------- */

.countdown { display: inline-flex; gap: 6px; font-family: var(--font-mono); font-weight: 700; }
.countdown span {
    background: var(--c-dark); color: var(--c-success);
    padding: 4px 8px; border-radius: var(--r-sm); min-width: 36px; text-align: center;
}

/* ---- Pagination ---------------------------------------------------------- */

.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 24px; }
.pagination a, .pagination span {
    padding: 8px 12px; border-radius: var(--r-md);
    border: 1px solid var(--c-border); color: var(--c-text);
    font-weight: 600; font-size: .9rem; min-width: 38px; text-align: center;
}
.pagination a:hover { background: var(--c-bg-soft); }
.pagination .current { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pagination .disabled { opacity: .4; pointer-events: none; }

/* ---- Cookie banner ------------------------------------------------------- */

.cookie-banner {
    position: fixed;
    bottom: 16px;
    left: 16px; right: 16px;
    max-width: 720px;
    margin: 0 auto;
    background: var(--c-dark);
    color: #fff;
    padding: 16px 20px;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    display: none;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.cookie-banner.show { display: flex; }
.cookie-banner p { margin: 0; flex: 1; min-width: 240px; font-size: .9rem; color: var(--c-accent); }

/* ---- Misc utilities ------------------------------------------------------ */

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.hidden { display: none !important; }
.flex-1 { flex: 1; }

/* ---- Storefront banner --------------------------------------------------- */

.storefront-banner {
    height: 200px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    border-radius: var(--r-lg);
    margin-bottom: 24px;
    position: relative;
}
.storefront-banner img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--r-lg); }
.storefront-meta {
    display: flex; gap: 20px; align-items: flex-end;
    margin-top: -60px; margin-left: 24px; position: relative;
}
.storefront-logo { width: 96px; height: 96px; border-radius: var(--r-lg); border: 4px solid #fff; background: #fff; box-shadow: var(--shadow-md); }

/* ---- Loading spinner ----------------------------------------------------- */

.spinner {
    width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .8s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }