/* =========================================================================
   Gadget B2B — design system (Phase 2.0)
   Pure CSS, no build. Layers on top of Tailwind CDN where present.
   ========================================================================= */

:root {
    /* Brand */
    --gb-navy:       #0F172A;
    --gb-charcoal:   #111827;
    --gb-blue:       #2563EB;
    --gb-blue-700:   #1D4ED8;
    --gb-cyan:       #06B6D4;
    --gb-emerald:    #22C55E;
    --gb-emerald-700:#15803D;
    --gb-orange:     #F97316;
    --gb-orange-700: #EA580C;
    --gb-amber:      #F59E0B;
    --gb-rose:       #E11D48;

    /* Neutrals */
    --gb-bg:         #F8FAFC;
    --gb-bg-soft:    #F1F5F9;
    --gb-card:       #FFFFFF;
    --gb-border:     #E2E8F0;
    --gb-border-soft:#EDF2F7;
    --gb-ink:        #0F172A;
    --gb-ink-soft:   #334155;
    --gb-muted:      #64748B;
    --gb-muted-2:    #94A3B8;

    /* Effects */
    --gb-shadow-xs:  0 1px 2px rgba(15, 23, 42, .04);
    --gb-shadow-sm:  0 2px 4px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
    --gb-shadow:     0 4px 8px -2px rgba(15, 23, 42, .08), 0 2px 4px -2px rgba(15, 23, 42, .04);
    --gb-shadow-md:  0 12px 24px -8px rgba(15, 23, 42, .12), 0 4px 8px -4px rgba(15, 23, 42, .06);
    --gb-shadow-lg:  0 24px 48px -12px rgba(15, 23, 42, .18), 0 8px 16px -8px rgba(15, 23, 42, .08);

    --gb-radius-xs:  6px;
    --gb-radius-sm:  8px;
    --gb-radius:     12px;
    --gb-radius-lg:  16px;
    --gb-radius-xl:  24px;
    --gb-radius-pill: 999px;

    /* Type */
    --gb-font: "Noto Sans Georgian", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

/* =========================================================================
   Base — applied globally to upgrade unstyled pages
   ========================================================================= */
html, body {
    background: var(--gb-bg);
    color: var(--gb-ink);
    font-family: var(--gb-font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
body { line-height: 1.55; }

/* Smooth, consistent focus ring */
:focus-visible {
    outline: 2px solid var(--gb-blue);
    outline-offset: 2px;
    border-radius: var(--gb-radius-xs);
}

/* =========================================================================
   Layout
   ========================================================================= */
.gb-container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
.gb-stack > * + * { margin-top: 16px; }
.gb-cluster { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.gb-grid { display: grid; gap: 16px; }
.gb-grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.gb-grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.gb-grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* =========================================================================
   Hero
   ========================================================================= */
.gb-hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--gb-radius-xl);
    background:
        radial-gradient(60% 90% at 20% 20%, rgba(37, 99, 235, .35), transparent 60%),
        radial-gradient(60% 90% at 80% 90%, rgba(6, 182, 212, .35), transparent 60%),
        linear-gradient(135deg, #0B1220 0%, #0F172A 50%, #1E293B 100%);
    color: #fff;
    padding: 56px 32px;
}
.gb-hero h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; letter-spacing: -.5px; line-height: 1.1; }
.gb-hero p  { color: rgba(241, 245, 249, .85); font-size: clamp(14px, 1.4vw, 18px); margin-top: 12px; max-width: 56ch; }
.gb-hero .gb-hero-ctas { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.gb-hero::before {
    content: "";
    position: absolute;
    inset: -1px;
    background: linear-gradient(180deg, rgba(255,255,255,.05) 0%, transparent 30%);
    pointer-events: none;
}
.gb-hero-stat {
    display: inline-flex; flex-direction: column; gap: 2px;
    padding: 8px 16px; border-radius: var(--gb-radius);
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
    backdrop-filter: blur(6px);
}
.gb-hero-stat strong { font-size: 22px; font-weight: 800; }
.gb-hero-stat span   { font-size: 11px; color: rgba(241,245,249,.7); text-transform: uppercase; letter-spacing: .8px; }

/* =========================================================================
   Buttons
   ========================================================================= */
.gb-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 18px; border-radius: var(--gb-radius-sm);
    border: 1px solid transparent;
    font: inherit; font-size: 14px; font-weight: 600;
    cursor: pointer; user-select: none; text-decoration: none;
    transition: transform .12s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
    white-space: nowrap;
}
.gb-btn:hover  { transform: translateY(-1px); }
.gb-btn:active { transform: translateY(0); }
.gb-btn-primary { background: var(--gb-blue);    color: #fff; box-shadow: var(--gb-shadow-sm); }
.gb-btn-primary:hover { background: var(--gb-blue-700); }
.gb-btn-orange  { background: var(--gb-orange);  color: #fff; box-shadow: var(--gb-shadow-sm); }
.gb-btn-orange:hover  { background: var(--gb-orange-700); }
.gb-btn-success { background: var(--gb-emerald); color: #fff; box-shadow: var(--gb-shadow-sm); }
.gb-btn-success:hover { background: var(--gb-emerald-700); }
.gb-btn-ghost   { background: transparent;       color: var(--gb-ink); border-color: var(--gb-border); }
.gb-btn-ghost:hover   { background: var(--gb-bg-soft); }
.gb-btn-on-dark { background: rgba(255,255,255,.10); color: #fff; border-color: rgba(255,255,255,.20); }
.gb-btn-on-dark:hover { background: rgba(255,255,255,.16); }
.gb-btn-lg      { padding: 14px 28px; font-size: 16px; border-radius: var(--gb-radius); }

/* =========================================================================
   Cards
   ========================================================================= */
.gb-card {
    background: var(--gb-card);
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    box-shadow: var(--gb-shadow-xs);
    transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.gb-card-pad   { padding: 20px; }
.gb-card-elev  { box-shadow: var(--gb-shadow); }
.gb-card-hover:hover { box-shadow: var(--gb-shadow-md); transform: translateY(-2px); border-color: #CBD5E1; }

/* Product card — premium look */
.gb-product {
    background: var(--gb-card);
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform .2s ease, box-shadow .25s ease, border-color .2s ease;
    position: relative;
}
.gb-product:hover {
    transform: translateY(-3px);
    box-shadow: var(--gb-shadow-md);
    border-color: #CBD5E1;
}
.gb-product .gb-thumb {
    aspect-ratio: 1 / 1;
    background: var(--gb-bg-soft);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    position: relative;
}
.gb-product .gb-thumb img { width: 100%; height: 100%; object-fit: contain; padding: 14px; }
.gb-product .gb-thumb .gb-no-img { font-size: 48px; opacity: .35; }
.gb-product .gb-prod-body { padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.gb-product .gb-brand { color: var(--gb-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
.gb-product .gb-name { font-size: 14px; font-weight: 600; color: var(--gb-ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.6em; }
.gb-product .gb-sku  { color: var(--gb-muted-2); font-size: 11px; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.gb-product .gb-price-row {
    margin-top: auto; padding-top: 10px;
    border-top: 1px solid var(--gb-border-soft);
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.gb-product .gb-price { font-size: 17px; font-weight: 800; color: var(--gb-blue); }
.gb-product .gb-price-locked { color: var(--gb-orange); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }

/* KPI dashboard card */
.gb-kpi {
    background: var(--gb-card);
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    padding: 18px 20px;
    box-shadow: var(--gb-shadow-xs);
    display: flex; flex-direction: column; gap: 6px;
    position: relative; overflow: hidden;
}
.gb-kpi::after {
    content: "";
    position: absolute; inset: auto -20px -40px auto;
    width: 120px; height: 120px;
    background: radial-gradient(circle, rgba(37,99,235,.10), transparent 70%);
    pointer-events: none;
}
.gb-kpi .gb-kpi-label { font-size: 11px; text-transform: uppercase; color: var(--gb-muted); letter-spacing: .8px; font-weight: 600; }
.gb-kpi .gb-kpi-value { font-size: 28px; font-weight: 800; color: var(--gb-ink); line-height: 1.1; letter-spacing: -.5px; }
.gb-kpi .gb-kpi-sub   { font-size: 12px; color: var(--gb-muted); }
.gb-kpi-blue::after    { background: radial-gradient(circle, rgba(37,99,235,.14),  transparent 70%); }
.gb-kpi-emerald::after { background: radial-gradient(circle, rgba(34,197,94,.14),  transparent 70%); }
.gb-kpi-cyan::after    { background: radial-gradient(circle, rgba(6,182,212,.14),  transparent 70%); }
.gb-kpi-orange::after  { background: radial-gradient(circle, rgba(249,115,22,.14), transparent 70%); }

/* =========================================================================
   Badges & status pills
   ========================================================================= */
.gb-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: var(--gb-radius-pill);
    font-size: 11px; font-weight: 700; letter-spacing: .3px;
    border: 1px solid transparent;
}
.gb-badge-blue    { background: #DBEAFE; color: #1E40AF; border-color: #BFDBFE; }
.gb-badge-cyan    { background: #CFFAFE; color: #0E7490; border-color: #A5F3FC; }
.gb-badge-emerald { background: #DCFCE7; color: #15803D; border-color: #BBF7D0; }
.gb-badge-amber   { background: #FEF3C7; color: #92400E; border-color: #FDE68A; }
.gb-badge-orange  { background: #FFEDD5; color: #9A3412; border-color: #FED7AA; }
.gb-badge-rose    { background: #FFE4E6; color: #9F1239; border-color: #FECDD3; }
.gb-badge-slate   { background: #E2E8F0; color: #334155; border-color: #CBD5E1; }
.gb-badge-dark    { background: var(--gb-navy); color: #E0E7FF; border-color: #1E293B; }
.gb-badge-dot { display: inline-block; width: 8px; height: 8px; border-radius: 999px; }

.gb-pulse {
    animation: gb-pulse 1.6s ease-in-out infinite;
}
@keyframes gb-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: .55; transform: scale(1.35); }
}

/* =========================================================================
   Inputs / control panel
   ========================================================================= */
.gb-control-panel {
    background: var(--gb-card);
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius);
    padding: 14px 16px;
    box-shadow: var(--gb-shadow-xs);
    display: flex; gap: 12px; flex-wrap: wrap; align-items: center;
}
.gb-input, .gb-select {
    appearance: none; -webkit-appearance: none;
    border: 1px solid var(--gb-border);
    border-radius: var(--gb-radius-sm);
    background: var(--gb-card);
    color: var(--gb-ink);
    padding: 9px 12px; font: inherit; font-size: 14px;
    transition: border-color .15s ease, box-shadow .15s ease;
    min-width: 0;
}
.gb-input:focus, .gb-select:focus {
    border-color: var(--gb-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
    outline: none;
}
.gb-search {
    flex: 1 1 240px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"%2364748B\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><circle cx=\"11\" cy=\"11\" r=\"7\"/><line x1=\"21\" y1=\"21\" x2=\"16.65\" y2=\"16.65\"/></svg>");
    background-repeat: no-repeat;
    background-position: 12px center;
    padding-left: 40px;
}

/* =========================================================================
   Tables
   ========================================================================= */
.gb-table {
    width: 100%; border-collapse: collapse;
    background: var(--gb-card);
    border-radius: var(--gb-radius);
    overflow: hidden;
}
.gb-table thead th {
    background: var(--gb-bg-soft);
    color: var(--gb-muted);
    font-size: 11px; text-transform: uppercase; letter-spacing: .6px;
    text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--gb-border);
    font-weight: 600;
}
.gb-table tbody td { padding: 14px 16px; border-bottom: 1px solid var(--gb-border-soft); font-size: 14px; }
.gb-table tbody tr:hover td { background: var(--gb-bg-soft); }
.gb-table tfoot td { background: var(--gb-bg-soft); padding: 14px 16px; }

/* =========================================================================
   Section headers / titles
   ========================================================================= */
.gb-section-title {
    display: flex; align-items: baseline; gap: 12px;
    margin: 8px 0 16px;
    font-size: 18px; font-weight: 700; color: var(--gb-ink);
}
.gb-section-title small { font-size: 12px; font-weight: 500; color: var(--gb-muted); }

/* =========================================================================
   Header / nav refresh
   ========================================================================= */
.gb-topstrip {
    background: linear-gradient(90deg, var(--gb-navy) 0%, #1E293B 100%);
    color: #E0E7FF;
    font-size: 12px;
    padding: 7px 0;
}
.gb-topstrip a { color: inherit; text-decoration: none; }
.gb-topstrip a:hover { color: #FACC15; }

.gb-mainnav {
    background: #fff;
    border-bottom: 1px solid var(--gb-border);
    box-shadow: 0 1px 3px rgba(15, 23, 42, .04);
    position: sticky; top: 0; z-index: 50;
}
.gb-logo-mark {
    width: 40px; height: 40px; border-radius: 10px;
    background: linear-gradient(135deg, var(--gb-blue) 0%, var(--gb-cyan) 100%);
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 800; font-size: 18px;
    box-shadow: 0 6px 14px -4px rgba(37, 99, 235, .45);
    letter-spacing: -.5px;
}

/* =========================================================================
   Admin pill (matches what admin_header.php already injects)
   ========================================================================= */
.gb-admin-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-radius: var(--gb-radius-pill);
    background: linear-gradient(90deg, #EFF6FF 0%, #E0E7FF 100%);
    border: 1px solid #BFDBFE;
    font-size: 12px; font-weight: 600; color: #1E3A8A;
}
.gb-admin-mode-banner {
    background: linear-gradient(90deg, var(--gb-orange) 0%, var(--gb-amber) 100%);
    color: #fff; font-size: 13px; font-weight: 600;
    padding: 8px 16px; text-align: center;
    box-shadow: var(--gb-shadow-xs);
}
.gb-admin-mode-banner select {
    background: #fff; color: var(--gb-ink); border: 0;
    border-radius: var(--gb-radius-xs); padding: 4px 8px; font-size: 12px;
}

/* =========================================================================
   Empty / blank states
   ========================================================================= */
.gb-empty {
    padding: 56px 20px; text-align: center;
    background: var(--gb-card); border: 1px dashed var(--gb-border);
    border-radius: var(--gb-radius);
}
.gb-empty .gb-empty-icon { font-size: 56px; margin-bottom: 12px; }
.gb-empty h2 { font-size: 18px; margin-bottom: 4px; color: var(--gb-ink); }
.gb-empty p  { color: var(--gb-muted); margin-bottom: 18px; }

/* =========================================================================
   Misc utility
   ========================================================================= */
.gb-muted    { color: var(--gb-muted); }
.gb-mono     { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.gb-divider  { height: 1px; background: var(--gb-border); margin: 16px 0; }
.gb-kicker   { font-size: 11px; text-transform: uppercase; letter-spacing: .8px; color: var(--gb-muted); font-weight: 600; }

/* =========================================================================
   Print — keep documents clean
   ========================================================================= */
@media print {
    .gb-no-print { display: none !important; }
    body         { background: #fff; }
}