/* =========================================================================
   Theme variables.  DARK is the default (:root).  Light overrides follow.
   ========================================================================= */
:root {
  --bg: #0b1220;          /* header */
  --page: #0f172a;        /* page background */
  --panel: #1e293b;       /* cards */
  --panel-2: #172033;
  --ink: #e2e8f0;
  --muted: #94a3b8;
  --line: #334155;
  --brand: #ef4444;
  --brand-dark: #dc2626;
  --accent: #60a5fa;
  --ok: #4ade80;
  --ok-bg: #14532d;
  --warn: #fbbf24;
  --warn-bg: #422006;
  --off: #fca5a5;
  --off-bg: #450a0a;
  --avail: #172554;
  --avail-line: #1e40af;
  --avail-hover: #1e3a8a;
  --filled-bg: #334155;
  --input-bg: #0f172a;
  --pill-bg: #312e81;
  --pill-ink: #c7d2fe;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.3);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color-scheme: dark;   /* native controls (date picker, dropdowns) render dark */
}
html[data-theme="light"] { color-scheme: light; }

html[data-theme="light"] {
  --bg: #0f172a;
  --page: #f1f5f9;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #b91c1c;
  --brand-dark: #7f1d1d;
  --accent: #1d4ed8;
  --ok: #16a34a;
  --ok-bg: #dcfce7;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --off: #b91c1c;
  --off-bg: #fee2e2;
  --avail: #eff6ff;
  --avail-line: #bfdbfe;
  --avail-hover: #dbeafe;
  --filled-bg: #f1f5f9;
  --input-bg: #ffffff;
  --pill-bg: #eef2ff;
  --pill-ink: #4338ca;
  --shadow: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.06);
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--page); line-height: 1.45; }

/* ---------- Header ---------- */
.app-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 24px; background: var(--bg); color: #fff; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; background: var(--brand); border-radius: 10px; font-weight: 800; letter-spacing: .5px; }
.app-header h1 { font-size: 1.15rem; margin: 0; }
.tagline { margin: 0; font-size: .8rem; color: #94a3b8; }
.header-controls { display: flex; align-items: center; gap: 14px; }
.theme-toggle { background: #1e293b; color: #fff; border: 1px solid #334155; border-radius: 8px; padding: 7px 12px; font-size: .85rem; cursor: pointer; }
.theme-toggle:hover { background: #334155; }
.role-switch { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: #cbd5e1; }
.role-switch select { background: #1e293b; color: #fff; border: 1px solid #334155; border-radius: 8px; padding: 7px 10px; font-size: .9rem; }

/* ---------- Prototype banner ---------- */
.prototype-banner { position: relative; background: var(--warn-bg); color: var(--warn); padding: 10px 44px 10px 20px; font-size: .85rem; border-bottom: 1px solid var(--line); }
.banner-close { position: absolute; top: 6px; right: 10px; background: none; border: none; font-size: 1.3rem; line-height: 1; color: var(--warn); cursor: pointer; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; flex-wrap: wrap; padding: 0 24px; background: var(--panel); border-bottom: 1px solid var(--line); }
.tab { appearance: none; background: none; border: none; padding: 14px 16px; font-size: .92rem; font-weight: 600; color: var(--muted); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -1px; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--brand); border-bottom-color: var(--brand); }
.tab[hidden] { display: none; }

/* ---------- Views ---------- */
main { padding: 24px; max-width: 1280px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; }
.view-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.view-head h2 { margin: 0 0 4px; font-size: 1.4rem; }
.view-head p { margin: 0; color: var(--muted); font-size: .9rem; }

/* ---------- Cards ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px; }
.card h3 { margin: 0 0 12px; font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn { appearance: none; border: 1px solid transparent; border-radius: 8px; padding: 9px 15px; font-size: .9rem; font-weight: 600; cursor: pointer; background: var(--brand); color: #fff; }
.btn:hover { background: var(--brand-dark); }
.btn.secondary { background: var(--panel-2); color: var(--ink); border-color: var(--line); }
.btn.secondary:hover { background: var(--line); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.danger { background: var(--off-bg); color: var(--off); border-color: transparent; }
.btn.danger:hover { filter: brightness(1.15); }
.btn.sm { padding: 5px 10px; font-size: .82rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Forms ---------- */
label.field { display: block; font-size: .8rem; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
input, select, textarea { font-family: inherit; font-size: .9rem; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--input-bg); color: var(--ink); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--avail-line); border-color: var(--accent); }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.inline-form > div { flex: 1 1 140px; }

input[type="date"]::-webkit-calendar-picker-indicator { cursor: pointer; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
tbody tr:hover { background: var(--panel-2); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-scroll { overflow-x: auto; }

/* ---------- Shift builder rows ---------- */
.shift-row { display: grid; grid-template-columns: 1.3fr 1fr 1fr .6fr .7fr .7fr 1.1fr auto; gap: 8px; align-items: end; margin-bottom: 10px; }
.shift-row .calc { font-weight: 700; color: var(--accent); padding: 8px 0; }
@media (max-width: 820px) { .shift-row { grid-template-columns: 1fr 1fr; } }

/* ---------- Board layout w/ sidebar ---------- */
.board-layout { display: flex; gap: 20px; align-items: flex-start; }
.board-main { flex: 1 1 auto; min-width: 0; }
.board-side { flex: 0 0 320px; position: sticky; top: 12px; }
@media (max-width: 960px) { .board-layout { flex-direction: column; } .board-side { flex-basis: auto; width: 100%; position: static; } }

.date-group { margin-bottom: 22px; }
.date-group > h3 { display: flex; align-items: center; gap: 10px; }
.date-group > h3 .count { font-size: .78rem; font-weight: 600; color: var(--muted); }

.shift-block { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; background: var(--panel); box-shadow: var(--shadow); }
.shift-block.full { opacity: .65; }
.shift-block.cut { border-left: 4px solid var(--warn); }
.shift-block.overtime { border-left: 4px solid var(--accent); }
.shift-meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.shift-meta .job { font-weight: 700; font-size: 1rem; }
.shift-meta .times { color: var(--muted); font-size: .9rem; }
.spots { display: flex; flex-wrap: wrap; gap: 8px; }
.spot { min-width: 120px; border: 1px dashed var(--avail-line); background: var(--avail); border-radius: 8px; padding: 10px 12px; font-size: .82rem; text-align: center; cursor: pointer; }
.spot .spot-label { display: block; font-size: .68rem; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.spot .spot-state { font-weight: 700; color: var(--accent); }
.spot.filled { background: var(--filled-bg); border-style: solid; border-color: var(--line); cursor: default; }
.spot.filled .spot-state { color: var(--ink); }
.spot.available:hover { border-color: var(--accent); background: var(--avail-hover); }

/* ---------- Recruiting log sidebar ---------- */
.side-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.side-card h3 { margin: 0 0 10px; font-size: 1rem; }
.side-card .field { margin-bottom: 10px; }
.side-total { display: flex; gap: 10px; margin: 10px 0; }
.side-total .stat { flex: 1; background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; text-align: center; }
.side-total .stat b { display: block; font-size: 1.25rem; }
.side-total .stat span { font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.side-section-title { font-size: .74rem; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); margin: 14px 0 6px; }
.side-table { width: 100%; font-size: .82rem; }
.side-table td { padding: 5px 6px; border-bottom: 1px solid var(--line); }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .72rem; font-weight: 700; }
.badge.avail { background: var(--avail); color: var(--accent); }
.badge.filled { background: var(--filled-bg); color: var(--muted); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.off { background: var(--off-bg); color: var(--off); }
.badge.ot { background: var(--avail); color: var(--accent); }
.badge.cut { background: var(--warn-bg); color: var(--warn); }

.pill-set { display: flex; flex-wrap: wrap; gap: 4px; }
.pill { background: var(--pill-bg); color: var(--pill-ink); border-radius: 6px; padding: 2px 7px; font-size: .72rem; }

.totals { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 8px; }
.totals .stat { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; }
.totals .stat b { display: block; font-size: 1.2rem; }
.totals .stat span { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

.empty { color: var(--muted); text-align: center; padding: 40px 20px; }

/* ---------- Modal ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: grid; place-items: center; padding: 20px; z-index: 50; }
.modal-overlay[hidden] { display: none; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; max-width: 480px; width: 100%; padding: 22px; box-shadow: 0 20px 40px rgba(0,0,0,.5); }
.modal h3 { margin-top: 0; }
.modal .modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ---------- Toasts ---------- */
.toast-stack { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 60; }
.toast { background: #0b1220; color: #fff; padding: 12px 16px; border-radius: 10px; font-size: .88rem; box-shadow: var(--shadow); max-width: 340px; border: 1px solid var(--line); }
.toast.ok { background: #166534; border-color: #166534; }
.toast.err { background: #991b1b; border-color: #991b1b; }

.checkcell { text-align: center; }
.checkcell input { width: auto; }
.hint { font-size: .78rem; color: var(--muted); margin-top: 4px; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }