/* ===========================================
   SafetyBuddy Design System
   Bold industrial: hi-vis safety yellow + black.
   =========================================== */

:root {
    /* Hi-vis brand */
    --sb-yellow: #facc15;
    --sb-yellow-bright: #fde047;
    --sb-amber: #f59e0b;
    --sb-g1: #fde047;
    --sb-g2: #facc15;
    --sb-g3: #f59e0b;
    --sb-gradient: linear-gradient(135deg, #fde047 0%, #facc15 45%, #f59e0b 100%);
    --sb-gradient-soft: linear-gradient(135deg, rgba(250, 204, 21, .16), rgba(245, 158, 11, .12));

    --sb-primary: #facc15;
    --sb-on-yellow: #15140a;          /* near-black text that sits on yellow */
    --sb-danger: #ef4444;
    --sb-success: #22c55e;
    --sb-warning: #f59e0b;
    --sb-info: #facc15;

    --sb-sidebar-width: 248px;
    --sb-topbar-height: 60px;

    /* Surfaces: black + charcoal */
    --sb-bg: #0a0a0b;
    --sb-surface: #141417;
    --sb-surface-2: #17181c;
    --sb-surface-hover: #202127;
    --sb-glass: rgba(12, 12, 14, .82);
    --sb-border: #2a2b31;
    --sb-border-soft: rgba(255, 255, 255, .06);

    --sb-text: #f4f4f5;
    --sb-text-muted: #9ca3af;

    --sb-shadow: 0 10px 30px -12px rgba(0, 0, 0, .7);
    --sb-shadow-lg: 0 26px 64px -22px rgba(0, 0, 0, .8);
    --sb-glow: 0 0 0 1px rgba(250, 204, 21, .3), 0 10px 34px -10px rgba(250, 204, 21, .35);

    /* Caution-tape stripes */
    --hazard: repeating-linear-gradient(45deg, #facc15 0 16px, #111114 16px 32px);
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--sb-bg);
    color: var(--sb-text);
    margin: 0;
    min-height: 100vh;
    display: flex;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background:
        radial-gradient(900px 480px at 10% -8%, rgba(250, 204, 21, .10), transparent 60%),
        radial-gradient(760px 520px at 100% 0%, rgba(245, 158, 11, .10), transparent 55%),
        radial-gradient(680px 560px at 92% 104%, rgba(250, 204, 21, .06), transparent 60%);
}

a { color: var(--sb-yellow); text-decoration: none; }
a:hover { color: var(--sb-yellow-bright); }

.text-gradient {
    background: var(--sb-gradient);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* Caution-tape divider */
.hazard-bar { height: 6px; background: var(--hazard); border-radius: 3px; }

/* Sidebar */
.sidebar {
    position: fixed; top: 0; left: 0;
    width: var(--sb-sidebar-width); height: 100vh;
    background: linear-gradient(180deg, #121215, #0d0d0f);
    border-right: 1px solid var(--sb-border);
    display: flex; flex-direction: column; z-index: 1000;
    transition: transform .3s ease;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px;
    padding: 18px 20px; font-size: 1.2rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: .04em;
    border-bottom: 2px solid var(--sb-yellow);
}
.sidebar-brand .brand-mark {
    width: 38px; height: 38px; border-radius: 10px;
    background: var(--sb-gradient); display: grid; place-items: center;
    color: var(--sb-on-yellow); font-size: 1.25rem;
    box-shadow: 0 6px 18px -6px rgba(250, 204, 21, .9);
}
.sidebar-brand .brand-text { color: var(--sb-text); }

.sidebar-nav { list-style: none; padding: 14px 12px; margin: 0; flex: 1; }
.sidebar-nav li a {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px; margin-bottom: 4px;
    color: var(--sb-text-muted); border-radius: 10px;
    font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .03em;
    transition: all .18s ease; position: relative;
}
.sidebar-nav li a:hover { color: var(--sb-text); background: var(--sb-surface-hover); }
.sidebar-nav li.active a { color: var(--sb-yellow-bright); background: var(--sb-gradient-soft); box-shadow: inset 0 0 0 1px rgba(250, 204, 21, .4); }
.sidebar-nav li.active a::before { content: ""; position: absolute; left: -4px; top: 16%; bottom: 16%; width: 3px; border-radius: 3px; background: var(--sb-yellow); }
.sidebar-nav li a i { font-size: 1.1rem; width: 22px; text-align: center; }

.sidebar-footer { padding: 14px 18px; border-top: 1px solid var(--sb-border-soft); display: flex; flex-direction: column; gap: 10px; }
.engine-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.engine-badge { font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 4px 9px; border-radius: 6px; background: rgba(250, 204, 21, .12); border: 1px solid rgba(250, 204, 21, .3); color: var(--sb-yellow); }
.status-indicator { display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--sb-text-muted); }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--sb-warning); box-shadow: 0 0 0 3px rgba(245, 158, 11, .15); animation: pulse 2s infinite; }
.status-dot.online { background: var(--sb-success); box-shadow: 0 0 0 3px rgba(34, 197, 94, .18); animation: glow-dot 2.4s infinite; }
.status-dot.offline { background: var(--sb-danger); box-shadow: 0 0 0 3px rgba(239, 68, 68, .18); animation: none; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
@keyframes glow-dot { 0%,100%{box-shadow:0 0 0 3px rgba(34,197,94,.12)} 50%{box-shadow:0 0 0 6px rgba(34,197,94,.05)} }

/* Main + topbar */
.main-content { margin-left: var(--sb-sidebar-width); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
    height: var(--sb-topbar-height); display: flex; align-items: center; padding: 0 24px; gap: 16px;
    border-bottom: 1px solid var(--sb-border-soft);
    background: var(--sb-glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    position: sticky; top: 0; z-index: 100;
}
.topbar-title { flex: 1; font-weight: 800; text-transform: uppercase; letter-spacing: .03em; font-size: 1rem; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.content-area { padding: 26px; flex: 1; animation: fade-up .5s ease both; }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* Cards */
.card { background: var(--sb-surface); border: 1px solid var(--sb-border); border-radius: 14px; box-shadow: var(--sb-shadow); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.card-hover:hover { transform: translateY(-3px); border-color: rgba(250, 204, 21, .5); box-shadow: var(--sb-shadow-lg); }
.card-header { background: transparent; border-bottom: 1px solid var(--sb-border-soft); padding: 15px 20px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; font-size: .9rem; }
.card-body { padding: 20px; }
.card-header-tabs .nav-link { color: var(--sb-text-muted); border: none; padding: 8px 16px; border-radius: 10px; font-weight: 700; text-transform: uppercase; font-size: .82rem; }
.card-header-tabs .nav-link:hover { color: var(--sb-text); background: rgba(255,255,255,.05); }
.card-header-tabs .nav-link.active { color: var(--sb-on-yellow); background: var(--sb-gradient); }

/* Hero */
.hero { position: relative; overflow: hidden; border-radius: 18px; padding: 32px 32px 30px; margin-bottom: 24px;
    background: radial-gradient(680px 300px at 0% 0%, rgba(250,204,21,.16), transparent 60%),
                radial-gradient(680px 360px at 100% 120%, rgba(245,158,11,.18), transparent 60%),
                linear-gradient(135deg, #16160f, #0e0e10);
    border: 1px solid var(--sb-border); box-shadow: var(--sb-shadow-lg); }
.hero::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 6px; background: var(--hazard); }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 30px; align-items: center; margin-top: 6px; }
.hero-copy { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(1.7rem, 2.6vw, 2.5rem); font-weight: 900; line-height: 1.08; margin: 0 0 10px; letter-spacing: -.01em; }
.hero p { color: var(--sb-text-muted); max-width: 620px; margin-bottom: 18px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.hero-pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; border-radius: 8px; background: rgba(255,255,255,.04); border: 1px solid var(--sb-border); font-size: .8rem; font-weight: 600; color: var(--sb-text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero visual: detection preview */
.hero-visual { position: relative; z-index: 1; }
.scan-card { position: relative; aspect-ratio: 4/3; border-radius: 16px; overflow: hidden; border: 2px solid rgba(250,204,21,.35);
    background: radial-gradient(420px 240px at 50% -10%, rgba(250,204,21,.22), transparent 60%),
                radial-gradient(360px 320px at 100% 120%, rgba(245,158,11,.22), transparent 60%),
                linear-gradient(160deg, #161611, #0c0c0e); box-shadow: var(--sb-shadow-lg); }
.scan-card::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px); background-size: 18px 18px; -webkit-mask-image: radial-gradient(circle at 50% 45%, #000 38%, transparent 78%); mask-image: radial-gradient(circle at 50% 45%, #000 38%, transparent 78%); }
.scan-figure { position: absolute; inset: 0; display: grid; place-items: center; font-size: 8.5rem; color: rgba(255,255,255,.07); }
.scan-line { position: absolute; left: 0; right: 0; top: 0; height: 36%; background: linear-gradient(180deg, transparent, rgba(250,204,21,.16)); border-bottom: 2px solid var(--sb-yellow); box-shadow: 0 0 26px rgba(250,204,21,.55); animation: scan 3.6s cubic-bezier(.45,0,.55,1) infinite; }
@keyframes scan { 0%{transform:translateY(-36%)} 50%{transform:translateY(196%)} 100%{transform:translateY(-36%)} }
.det-chip { position: absolute; display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; border-radius: 7px; font-size: .76rem; font-weight: 700; background: var(--sb-glass); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border: 1px solid var(--sb-border); box-shadow: var(--sb-shadow); animation: floaty 4.2s ease-in-out infinite; }
.det-chip.det-ok { color: #6ee7b7; border-color: rgba(34,197,94,.5); }
.det-chip.det-bad { color: #fca5a5; border-color: rgba(239,68,68,.6); animation-duration: 3.2s; }
@keyframes floaty { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-7px)} }

/* Section heading */
.section-title { display: flex; align-items: center; gap: 12px; font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--sb-yellow); margin: 4px 0 14px; }
.section-title::after { content: ""; flex: 1; height: 2px; background: linear-gradient(90deg, rgba(250,204,21,.4), transparent); }

/* How it works */
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.how-step { position: relative; padding: 20px; border-radius: 14px; background: var(--sb-surface); border: 1px solid var(--sb-border); box-shadow: var(--sb-shadow); overflow: hidden; transition: transform .2s ease, border-color .2s ease; }
.how-step:hover { transform: translateY(-3px); border-color: rgba(250,204,21,.5); }
.how-step .how-ic { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-size: 1.35rem; color: var(--sb-on-yellow); margin-bottom: 14px; }
.how-step .how-num { position: absolute; top: 12px; right: 16px; font-weight: 900; color: rgba(250,204,21,.18); font-size: 1.8rem; line-height: 1; }
.how-step b { display: block; margin-bottom: 5px; font-size: 1.02rem; text-transform: uppercase; letter-spacing: .02em; }
.how-step p { color: var(--sb-text-muted); font-size: .85rem; margin: 0; line-height: 1.55; }

/* Buttons */
.btn { border-radius: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; transition: transform .15s ease, box-shadow .2s ease, filter .2s ease; }
.btn:active { transform: translateY(1px); }
.btn-primary, .btn-gradient { background: var(--sb-gradient); border: none; color: var(--sb-on-yellow); box-shadow: 0 8px 22px -10px rgba(250,204,21,.9); }
.btn-primary:hover, .btn-gradient:hover { filter: brightness(1.06); box-shadow: 0 12px 30px -10px rgba(250,204,21,1); color: var(--sb-on-yellow); }
.btn-outline-light-soft { background: rgba(255,255,255,.04); border: 1px solid var(--sb-border); color: var(--sb-text); }
.btn-outline-light-soft:hover { background: var(--sb-surface-hover); color: #fff; border-color: rgba(250,204,21,.5); }

/* Stat cards */
.stat-card { background: var(--sb-surface); border: 1px solid var(--sb-border); border-radius: 14px; padding: 18px 20px; display: flex; align-items: center; gap: 16px; position: relative; overflow: hidden; box-shadow: var(--sb-shadow); transition: transform .2s ease, border-color .2s ease; }
.stat-card:hover { transform: translateY(-3px); border-color: rgba(250,204,21,.5); }
.stat-card::after { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--sb-gradient); }
.stat-card-sm { padding: 12px; text-align: center; flex-direction: column; gap: 4px; }
.stat-card-sm::after { display: none; }
.stat-icon { width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center; font-size: 1.5rem; flex-shrink: 0; color: #fff; }
.stat-icon.g-blue { background: linear-gradient(135deg, #64748b, #334155); }
.stat-icon.g-green { background: linear-gradient(135deg, #34d399, #16a34a); }
.stat-icon.g-amber { background: linear-gradient(135deg, #fde047, #f59e0b); color: var(--sb-on-yellow); }
.stat-icon.g-violet { background: linear-gradient(135deg, #fbbf24, #d97706); color: var(--sb-on-yellow); }
.stat-icon.g-rose { background: linear-gradient(135deg, #fb7185, #dc2626); }
.stat-value { font-size: 1.7rem; font-weight: 900; line-height: 1.1; display: block; }
.stat-card-sm .stat-value { font-size: 1.3rem; }
.stat-label { font-size: .72rem; color: var(--sb-text-muted); display: block; text-transform: uppercase; letter-spacing: .05em; }

/* Quick-action cards */
.action-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.action-card { display: flex; flex-direction: column; gap: 10px; padding: 18px; border-radius: 14px; background: var(--sb-surface); border: 1px solid var(--sb-border); color: var(--sb-text); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.action-card:hover { transform: translateY(-4px); border-color: rgba(250,204,21,.6); box-shadow: var(--sb-shadow-lg); color: var(--sb-text); }
.action-card .ac-icon { width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; font-size: 1.3rem; color: var(--sb-on-yellow); }
.action-card .ac-title { font-weight: 800; text-transform: uppercase; letter-spacing: .02em; font-size: .95rem; }
.action-card .ac-desc { font-size: .8rem; color: var(--sb-text-muted); }
.action-card .ac-go { margin-top: auto; font-size: .78rem; font-weight: 700; text-transform: uppercase; color: var(--sb-yellow); }

/* Chat */
.chat-messages { overflow-y: auto; max-height: 58vh; min-height: 42vh; scroll-behavior: smooth; }
.welcome-orb { width: 96px; height: 96px; margin: 0 auto 18px; position: relative; display: grid; place-items: center; }
.welcome-orb .orb-core { width: 72px; height: 72px; border-radius: 20px; background: var(--sb-gradient); display: grid; place-items: center; font-size: 2rem; color: var(--sb-on-yellow); box-shadow: 0 12px 32px -8px rgba(250,204,21,.85); position: relative; z-index: 1; }
.welcome-orb::before, .welcome-orb::after { content: ""; position: absolute; width: 96px; height: 96px; border-radius: 50%; border: 1px solid rgba(250,204,21,.45); animation: ring 2.8s ease-out infinite; }
.welcome-orb::after { animation-delay: 1.4s; }
@keyframes ring { 0% { transform: scale(.72); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }
.suggestion-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; max-width: 460px; margin: 18px auto 0; }
.suggestion-tile { display: flex; align-items: center; gap: 10px; text-align: left; padding: 12px 14px; border-radius: 11px; background: var(--sb-surface-hover); border: 1px solid var(--sb-border); color: var(--sb-text); font-size: .85rem; font-weight: 600; cursor: pointer; transition: all .18s; }
.suggestion-tile:hover { border-color: rgba(250,204,21,.6); transform: translateY(-2px); color: #fff; }
.suggestion-tile .st-ic { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font-size: 1rem; flex-shrink: 0; }
.chat-bubble { margin-bottom: 16px; max-width: 86%; animation: fade-up .3s ease both; }
.chat-user { margin-left: auto; }
.chat-assistant, .chat-error { margin-right: auto; }
.chat-bubble-header { font-size: .74rem; color: var(--sb-text-muted); margin-bottom: 5px; display: flex; align-items: center; gap: 6px; }
.chat-bubble-body { background: var(--sb-surface-hover); border: 1px solid var(--sb-border-soft); border-radius: 12px; padding: 13px 16px; font-size: .9rem; line-height: 1.65; }
.chat-user .chat-bubble-body { background: var(--sb-gradient); color: var(--sb-on-yellow); border: none; font-weight: 500; }
.chat-user .chat-bubble-header { justify-content: flex-end; }
.chat-error .chat-bubble-body { background: rgba(239,68,68,.14); border: 1px solid var(--sb-danger); }
.chat-bubble-body p:last-child { margin-bottom: 0; }
.chat-bubble-body ul, .chat-bubble-body ol { padding-left: 20px; }
.chat-bubble-body h1,.chat-bubble-body h2,.chat-bubble-body h3 { font-size: 1rem; font-weight: 800; margin: 10px 0 6px; color: #fff; }
.chat-bubble-body code { background: rgba(255,255,255,.1); padding: 2px 6px; border-radius: 5px; font-size: .85em; }
.chat-bubble-body pre { background: rgba(0,0,0,.4); padding: 12px; border-radius: 10px; overflow-x: auto; }
.chat-bubble-body pre code { background: transparent; padding: 0; }
.suggestion-btn { border-radius: 999px; }
.source-chip { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; margin-bottom: 8px; border-radius: 10px; background: var(--sb-surface-hover); border: 1px solid var(--sb-border-soft); font-size: .82rem; }
.source-chip .src-num { width: 22px; height: 22px; border-radius: 6px; background: var(--sb-gradient); color: var(--sb-on-yellow); display: grid; place-items: center; font-size: .72rem; font-weight: 800; flex-shrink: 0; }
.source-chip a { font-weight: 700; }
.src-tier { font-size: .68rem; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--sb-border); color: var(--sb-text-muted); }

/* PPE report card */
.report-card { width: 100%; }
.rc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.rc-verdict { font-weight: 900; text-transform: uppercase; letter-spacing: .04em; font-size: .82rem; padding: 5px 12px; border-radius: 7px; }
.rc-verdict.rc-bad { background: var(--sb-danger); color: #fff; }
.rc-verdict.rc-ok { background: var(--sb-success); color: #04130a; }
.rc-verdict.rc-na { background: var(--sb-surface); color: var(--sb-text-muted); border: 1px solid var(--sb-border); }
.rc-people { font-size: .8rem; color: var(--sb-text-muted); }
.rc-checklist { display: flex; flex-direction: column; gap: 6px; }
.rc-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px; background: var(--sb-surface); border: 1px solid var(--sb-border-soft); font-size: .88rem; }
.rc-item i { font-size: 1.1rem; }
.rc-item .rc-label { font-weight: 600; }
.rc-item .rc-status { margin-left: auto; font-size: .76rem; color: var(--sb-text-muted); text-transform: uppercase; letter-spacing: .03em; }
.rc-details { margin-top: 12px; }
.rc-details summary { cursor: pointer; font-size: .8rem; font-weight: 700; color: var(--sb-yellow); text-transform: uppercase; letter-spacing: .03em; }
.typing-indicator { display: flex; gap: 4px; padding: 4px 0; }
.typing-indicator span { width: 8px; height: 8px; border-radius: 50%; background: var(--sb-yellow); animation: typing 1.4s infinite; }
.typing-indicator span:nth-child(2) { animation-delay: .2s; }
.typing-indicator span:nth-child(3) { animation-delay: .4s; }
@keyframes typing { 0%,60%,100%{transform:translateY(0);opacity:.4} 30%{transform:translateY(-6px);opacity:1} }
#chatInput { background: var(--sb-surface-hover); border: 1px solid var(--sb-border); color: var(--sb-text); resize: none; border-radius: 10px; }
#chatInput:focus { background: var(--sb-surface-hover); border-color: var(--sb-yellow); color: var(--sb-text); box-shadow: 0 0 0 3px rgba(250,204,21,.18); }

/* Live monitor stage: HUD viewfinder */
.video-stage { position: relative; width: 100%; border-radius: 14px; overflow: hidden; background: #050507; aspect-ratio: 4/3; border: 2px solid var(--sb-border); box-shadow: inset 0 0 0 1px rgba(250,204,21,.12); transition: box-shadow .25s ease, border-color .25s ease; }
.video-stage video, .video-stage canvas, .video-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.video-stage .overlay-canvas { z-index: 2; pointer-events: none; }
/* yellow corner brackets */
.video-stage .hud-corner { position: absolute; width: 26px; height: 26px; border: 3px solid var(--sb-yellow); z-index: 4; opacity: .9; }
.video-stage .hud-corner.tl { top: 10px; left: 10px; border-right: 0; border-bottom: 0; border-radius: 6px 0 0 0; }
.video-stage .hud-corner.tr { top: 10px; right: 10px; border-left: 0; border-bottom: 0; border-radius: 0 6px 0 0; }
.video-stage .hud-corner.bl { bottom: 10px; left: 10px; border-right: 0; border-top: 0; border-radius: 0 0 0 6px; }
.video-stage .hud-corner.br { bottom: 10px; right: 10px; border-left: 0; border-top: 0; border-radius: 0 0 6px 0; }
.video-stage.alert { border-color: var(--sb-danger); box-shadow: inset 0 0 0 2px rgba(239,68,68,.5), 0 0 44px rgba(239,68,68,.35); }
.video-stage.alert .hud-corner { border-color: var(--sb-danger); }
.stage-topbar { position: absolute; top: 0; left: 0; right: 0; z-index: 3; display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: linear-gradient(180deg, rgba(0,0,0,.7), transparent); }
.live-pill { display: inline-flex; align-items: center; gap: 7px; font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; padding: 6px 12px; border-radius: 7px; background: var(--sb-yellow); color: var(--sb-on-yellow); }
.live-pill.violation { background: var(--sb-danger); color: #fff; }
.live-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; animation: pulse 1.1s infinite; }
.fps-pill { font-size: .74rem; font-weight: 700; color: #fff; background: rgba(0,0,0,.5); padding: 4px 10px; border-radius: 7px; }
.stage-empty { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; color: var(--sb-text-muted); z-index: 1; }
.stage-standby { position: absolute; inset: 0; z-index: 5; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 24px; background: rgba(5,5,7,.55); backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); }
.stage-standby > i { font-size: 3.2rem; color: var(--sb-yellow); margin-bottom: 8px; }
.stage-standby .standby-label { font-weight: 900; text-transform: uppercase; letter-spacing: .16em; color: var(--sb-text-muted); font-size: .9rem; margin-bottom: 4px; }
.stage-standby p { color: var(--sb-text-muted); font-size: .85rem; max-width: 380px; margin: 0 0 16px; }
.stage-banner { position: absolute; left: 0; right: 0; bottom: 0; z-index: 4; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; background: linear-gradient(0deg, rgba(239,68,68,.97), rgba(239,68,68,.8)); color: #fff; font-weight: 800; animation: bannerflash 1s ease-in-out infinite; }
.stage-banner .sb-text { text-transform: uppercase; letter-spacing: .03em; font-size: .9rem; }
@keyframes bannerflash { 0%,100%{opacity:1} 50%{opacity:.8} }

/* Tables / accordion / forms / lists */
.table { color: var(--sb-text); }
.table thead th { background: var(--sb-surface-hover); border-color: var(--sb-border); font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--sb-yellow); }
.table td { border-color: var(--sb-border-soft); vertical-align: middle; }
.table-hover > tbody > tr:hover > * { background: var(--sb-surface-hover); }
.text-purple { color: #c4b5fd !important; }
.accordion-item { background: var(--sb-surface); border-color: var(--sb-border); border-radius: 12px !important; overflow: hidden; margin-bottom: 8px; }
.accordion-button { background: var(--sb-surface); color: var(--sb-text); font-weight: 700; }
.accordion-button:not(.collapsed) { background: var(--sb-surface-hover); color: var(--sb-yellow); }
.accordion-button:focus { box-shadow: none; border-color: var(--sb-yellow); }
.accordion-button::after { filter: invert(.8) sepia(1) saturate(5) hue-rotate(2deg); }
.accordion-body { background: var(--sb-surface); }
.form-select, .form-control { background: var(--sb-surface-hover); border-color: var(--sb-border); color: var(--sb-text); border-radius: 9px; }
.form-select:focus, .form-control:focus { background: var(--sb-surface-hover); border-color: var(--sb-yellow); color: var(--sb-text); box-shadow: 0 0 0 3px rgba(250,204,21,.18); }
.form-select option { background: var(--sb-surface); }
.form-range::-webkit-slider-thumb { background: var(--sb-yellow); }
.form-range::-moz-range-thumb { background: var(--sb-yellow); }
.form-check-input:checked { background-color: var(--sb-yellow); border-color: var(--sb-yellow); }
.list-group-item { background: transparent; border-color: var(--sb-border-soft); color: var(--sb-text); }
.list-group-item:hover { background: var(--sb-surface-hover); }
.badge { font-weight: 700; }
.alert-info { background: rgba(250,204,21,.1); border-color: rgba(250,204,21,.28); color: var(--sb-text); border-radius: 12px; }
.upload-zone { border: 2px dashed var(--sb-border); border-radius: 14px; transition: border-color .2s, background .2s; }
.upload-zone:hover { border-color: var(--sb-yellow); background: rgba(250,204,21,.04); }

/* Optional product-updates capture */
.subscribe-card { position: fixed; bottom: 18px; right: 18px; z-index: 1080; width: 320px; max-width: calc(100vw - 36px); display: flex; gap: 12px; padding: 16px; border-radius: 14px; background: var(--sb-surface); border: 1px solid var(--sb-border); box-shadow: var(--sb-shadow-lg); transform: translateY(16px); opacity: 0; transition: transform .3s ease, opacity .3s ease; }
.subscribe-card.show { transform: none; opacity: 1; }
.subscribe-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--hazard); border-radius: 14px 14px 0 0; }
.subscribe-card .sub-close { position: absolute; top: 6px; right: 10px; background: none; border: none; color: var(--sb-text-muted); font-size: 1.3rem; line-height: 1; cursor: pointer; }
.subscribe-card .sub-close:hover { color: var(--sb-text); }
.subscribe-card .sub-icon { width: 38px; height: 38px; border-radius: 10px; background: var(--sb-gradient); color: var(--sb-on-yellow); display: grid; place-items: center; font-size: 1.2rem; flex-shrink: 0; }
.subscribe-card .sub-content { flex: 1; min-width: 0; }
.subscribe-card strong { font-size: .92rem; text-transform: uppercase; letter-spacing: .02em; }
.subscribe-card p { font-size: .76rem; color: var(--sb-text-muted); margin: 2px 0 10px; }
.subscribe-card .sub-form { display: flex; gap: 6px; }
.subscribe-card .sub-form .form-control { flex: 1; min-width: 0; }
.subscribe-card .sub-msg { font-size: .74rem; margin-top: 6px; }
@media (max-width: 480px) { .subscribe-card { left: 18px; right: 18px; width: auto; } }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--sb-border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--sb-yellow); }

/* Responsive */
.sidebar-toggle { color: var(--sb-text); }
@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); box-shadow: var(--sb-shadow-lg); }
    .main-content { margin-left: 0; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .how-grid { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
    .content-area { padding: 16px; }
    .hero { padding: 22px 18px; }
    .hero h1 { font-size: 1.6rem; }
    .stat-value { font-size: 1.4rem; }
    .chat-bubble { max-width: 95%; }
    .suggestion-row { grid-template-columns: 1fr; }
}