/* ==========================================================================
   Concierge Pilot — Shared KDS Engine CSS
   Structural / layout styles. Colors, fonts, accents come from tenant skin
   via CSS variables (--accent, --accent-deep, --accent-glow, --accent-soft,
   --bg, --surface, --rule, --ink, --ink-dim, --ink-faint,
   --brand-heading-font, --brand-heading-style, --brand-mono-font).
   ========================================================================== */

*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0e0d0c;
  --bg-alt:#0e0d0c;
  --surface:#1c1a17;
  --surface-2:#25221d;
  --accent:#b8954c;
  --accent-deep:#8a6e34;
  --accent-glow:#e8a73a;
  --accent-soft:rgba(184,149,76,0.14);
  --ink:#e8dfd0;
  --ink-dim:#c7b9a8;
  --ink-faint:#8b8275;
  --rule:rgba(184,149,76,0.18);
  --brand-body-font:'Inter',sans-serif;
  --brand-heading-font:'Cormorant Garamond',serif;
  --brand-mono-font:'JetBrains Mono',monospace;
  --brand-heading-style:italic;
  --brand-heading-weight:700;
  --warn:#f59e0b;
  --late:#ef4444;
}
html,body{height:100%;background:var(--bg);color:var(--ink);font-family:var(--brand-body-font);overflow:hidden;user-select:none;-webkit-user-select:none}
body{display:flex;flex-direction:column}
button{font-family:inherit;cursor:pointer;border:none}
a{color:inherit;text-decoration:none}

/* Top bar */
.kds-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 22px;background:var(--surface);border-bottom:1px solid var(--rule);flex:0 0 auto;position:relative;flex-wrap:wrap}
.kds-top::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent 0%,var(--accent) 20%,var(--accent-glow) 50%,var(--accent) 80%,transparent 100%);pointer-events:none}
.kds-brand{display:flex;align-items:center;gap:14px}
.kds-brand .nav-logo-text{font-family:var(--brand-heading-font);font-style:var(--brand-heading-style);font-weight:var(--brand-heading-weight);font-size:1.45rem;color:var(--accent);letter-spacing:.02em;line-height:1}
.kds-brand .nav-logo-sub{font-family:var(--brand-mono-font);font-size:.62rem;color:var(--accent-glow);letter-spacing:.32em;line-height:1;margin-top:4px;text-transform:uppercase}
.kds-brand .brand-stack{display:flex;flex-direction:column}
.kds-brand h1{color:var(--ink-faint);font-family:var(--brand-body-font);letter-spacing:0.18em;text-transform:uppercase;font-size:11px;font-weight:600}
.kds-brand .pill{font-size:10px;padding:3px 10px;border-radius:999px;background:var(--accent-glow);color:#1a1408;font-family:var(--brand-mono-font);letter-spacing:.16em;font-weight:700}
.kds-brand-mark{width:36px;height:36px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;background:var(--bg);border-radius:50%;border:1.5px solid var(--accent);box-shadow:0 2px 10px rgba(0,0,0,0.25);overflow:hidden}
.kds-brand-mark svg,.kds-brand-mark img{width:74%;height:74%}

.kds-stations{display:flex;gap:6px;flex-wrap:wrap}
.kds-station-btn{background:transparent;border:1px solid var(--rule);color:var(--ink-dim);padding:8px 18px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:0.18em;cursor:pointer;text-transform:uppercase;font-family:var(--brand-body-font)}
.kds-station-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.kds-station-btn.active{background:var(--accent);color:var(--bg);border-color:var(--accent);box-shadow:0 4px 14px -6px rgba(0,0,0,0.5)}

.kds-clock{font-family:var(--brand-mono-font);font-size:13px;color:var(--accent-glow);font-weight:600;letter-spacing:.12em}
.kds-clock .live{display:inline-block;width:8px;height:8px;background:var(--accent-glow);border-radius:50%;margin-right:8px;animation:kds-pulse 1.4s infinite}
@keyframes kds-pulse{0%,100%{opacity:1}50%{opacity:0.3}}
.kds-top-nav-btn{background:transparent;border:1px solid var(--rule);color:var(--ink-dim);padding:8px 14px;border-radius:8px;font-size:10px;font-weight:600;letter-spacing:0.18em;cursor:pointer;text-transform:uppercase;text-decoration:none;display:inline-flex;align-items:center;gap:6px;font-family:var(--brand-body-font)}
.kds-top-nav-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.kds-top-nav-btn svg{width:14px;height:14px}

/* Columns */
.kds-board{flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;overflow:hidden;background:var(--rule);position:relative}
.kds-col{background:var(--bg);display:flex;flex-direction:column;overflow:hidden}
.kds-col-head{padding:12px 18px;background:var(--surface);border-bottom:1px solid var(--rule);display:flex;align-items:center;justify-content:space-between}
.kds-col-head h2{font-family:var(--brand-heading-font);font-style:var(--brand-heading-style);font-weight:var(--brand-heading-weight);letter-spacing:.04em;font-size:1.4rem}
.kds-col-head .count{background:var(--accent-soft);color:var(--accent);font-family:var(--brand-mono-font);padding:3px 12px;border-radius:999px;font-size:11px;font-weight:700}

.kds-col.col-new .kds-col-head h2{color:var(--accent-glow)}
.kds-col.col-cooking .kds-col-head h2{color:var(--accent-glow)}
.kds-col.col-ready .kds-col-head h2{color:var(--accent)}

.kds-col-body{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:11px}
.kds-col-body::-webkit-scrollbar{width:6px}
.kds-col-body::-webkit-scrollbar-thumb{background:var(--rule);border-radius:3px}

/* Ticket cards */
.kds-ticket{background:var(--surface);border-radius:12px;padding:14px 16px;border:1px solid var(--rule);border-left:4px solid var(--rule);transition:transform 0.15s, border-color 0.2s, box-shadow 0.2s;position:relative}
.kds-ticket:active{transform:scale(0.98)}
.kds-ticket.t-warn{border-left-color:var(--accent-glow);box-shadow:inset 0 0 0 1px rgba(232,167,58,0.30)}
.kds-ticket.t-late{border-left-color:var(--late);background:rgba(239,68,68,0.08);box-shadow:inset 0 0 0 1px rgba(239,68,68,0.5), 0 0 18px rgba(239,68,68,0.25);animation:kds-latePulse 1.6s infinite}
@keyframes kds-latePulse{0%,100%{box-shadow:inset 0 0 0 1px rgba(239,68,68,0.5), 0 0 18px rgba(239,68,68,0.25)}50%{box-shadow:inset 0 0 0 1px rgba(239,68,68,0.9), 0 0 28px rgba(239,68,68,0.5)}}

.kds-ticket-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:10px}
.kds-ticket-id{font-family:var(--brand-mono-font);font-size:11px;color:var(--accent-glow);letter-spacing:.14em;font-weight:600}
.kds-ticket-table{font-family:var(--brand-heading-font);font-style:var(--brand-heading-style);font-weight:var(--brand-heading-weight);color:var(--ink);font-size:30px;line-height:1;letter-spacing:0}
.kds-ticket-table .label{font-family:var(--brand-mono-font);font-style:normal;font-size:9px;font-weight:700;letter-spacing:.22em;color:var(--ink-faint);display:block;margin-bottom:2px;text-transform:uppercase}
.kds-ticket-timer{font-family:var(--brand-mono-font);font-size:18px;font-weight:700;color:var(--accent-glow);letter-spacing:.04em}
.kds-ticket.t-warn .kds-ticket-timer{color:var(--warn)}
.kds-ticket.t-late .kds-ticket-timer{color:var(--late)}

.kds-ticket-meta{font-size:10px;color:var(--ink-faint);margin-bottom:10px;text-transform:uppercase;letter-spacing:.16em;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-family:var(--brand-mono-font)}
.kds-ticket-meta .station-tag{padding:2px 8px;border-radius:4px;font-weight:700;font-size:9px;letter-spacing:.18em;background:var(--accent-soft);color:var(--accent)}
.kds-ticket-meta .channel{padding:2px 8px;border-radius:4px;font-weight:700;font-size:9px;letter-spacing:.18em;background:var(--accent-soft);color:var(--ink-faint)}
.kds-ticket-meta .channel.seat{background:rgba(232,167,58,0.16);color:var(--accent-glow)}

.kds-items{display:flex;flex-direction:column;gap:6px}
.kds-item{padding:8px 0;border-top:1px solid var(--rule)}
.kds-item:first-child{border-top:0}
.kds-item .iname{font-size:14px;font-weight:600;color:var(--ink);line-height:1.3;display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.kds-item .iname .qty{font-family:var(--brand-mono-font);color:var(--accent-glow);font-weight:700;margin-right:6px}
.kds-item .seat-chip{display:inline-block;background:var(--accent-soft);color:var(--accent);font-size:9px;font-weight:800;padding:2px 6px;border-radius:999px;margin-right:6px;letter-spacing:.14em;font-family:var(--brand-mono-font)}
.kds-item .inotes{font-size:11px;color:var(--accent-glow);margin-top:4px;font-style:italic;line-height:1.4}
.kds-item .imods{font-size:11px;color:var(--ink-dim);margin-top:3px;line-height:1.4}

.kds-adv-btn{background:linear-gradient(180deg,var(--accent-glow) 0%,var(--accent) 100%);color:#1a1408;border:1px solid var(--accent);padding:10px 14px;border-radius:8px;font-size:11px;cursor:pointer;margin-top:12px;font-weight:700;letter-spacing:0.22em;text-transform:uppercase;width:100%;font-family:var(--brand-body-font);box-shadow:inset 0 1px 0 rgba(255,255,255,0.18), 0 6px 18px rgba(0,0,0,0.28)}
.kds-adv-btn:hover{filter:brightness(1.1)}
.kds-adv-btn:disabled{opacity:0.5;cursor:wait}

/* Empty state */
.kds-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center;gap:10px}
.kds-empty-mark{font-family:var(--brand-heading-font);font-style:var(--brand-heading-style);font-weight:400;color:var(--accent);font-size:42px;letter-spacing:0}
.kds-empty-sub{font-family:var(--brand-mono-font);color:var(--ink-faint);font-size:11px;letter-spacing:.12em}

.col-empty{padding:24px 12px;text-align:center;color:var(--ink-faint);font-size:10px;letter-spacing:0.16em;text-transform:uppercase;font-family:var(--brand-mono-font);font-weight:600}

/* All-caught-up overlay (when zero active tickets total) */
#kdsAllCaughtUp{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;background:rgba(14,13,12,0.88);backdrop-filter:blur(4px);z-index:20;gap:10px}
#kdsAllCaughtUp.show{display:flex}
#kdsAllCaughtUp .big{font-family:var(--brand-heading-font);font-style:var(--brand-heading-style);font-weight:var(--brand-heading-weight);color:var(--accent-glow);font-size:64px;letter-spacing:0}
#kdsAllCaughtUp .sub{font-family:var(--brand-mono-font);color:var(--ink-faint);font-size:12px;letter-spacing:.14em}

/* Status indicator (top-right) */
.conn-pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--brand-mono-font);font-size:9px;color:var(--ink-faint);letter-spacing:.16em;text-transform:uppercase}
.conn-dot{width:7px;height:7px;border-radius:50%;background:var(--ink-faint)}
.conn-dot.on{background:var(--accent-glow)}
.conn-dot.err{background:var(--late)}

@media (max-width: 1100px){
  .kds-board{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 720px){
  .kds-board{grid-template-columns:1fr}
}