/* KAI — soft-dark theme keyed to the KAI character illustration
   (warm navy ground, cream ink, periwinkle-blue accent, sage-green action) */

:root {
  color-scheme: dark;

  --bg: #1b2233;
  --bg-2: #212a3e;
  --card: #232d42;
  --card-2: #1a2130;
  --border: #38435e;
  --border-soft: #2c3650;

  --fg: #e9e6da;          /* warm off-white, echoes the art's cream */
  --fg-dim: #c7cad6;
  --muted: #99a3bc;

  --accent: #8da5e6;      /* dragon periwinkle — links, focus, brand */
  --accent-strong: #aabdf2;
  --accent-bg: #26314c;

  --ok: #7fb08e;          /* the "Review & approve" sage green — primary action */
  --ok-strong: #93c4a1;
  --ok-bg: #25352c;

  --warn: #d9b981;        /* antler beige/amber — needs input */
  --warn-bg: #3a3220;

  --err: #e0917f;         /* soft coral */
  --err-bg: #3a2622;

  --radius: 12px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .22);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--fg);
  background:
    radial-gradient(1200px 500px at 15% -10%, #263048 0%, rgba(38, 48, 72, 0) 60%),
    var(--bg);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; }

/* ---- top bar -------------------------------------------------------------- */

header.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .55rem 1.1rem;
  background: linear-gradient(180deg, #26314a, var(--card));
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(141, 165, 230, .12);
}
.brand { display: flex; align-items: center; gap: .55rem; }
.brand img {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
  object-position: 42% 38%;
  background: #e7edfa;
  box-shadow: 0 0 0 1px var(--border), 0 0 0 3px rgba(141, 165, 230, .18);
  display: block;
}
.brand .name { font-weight: 700; letter-spacing: .04em; }
.brand .kanji { color: var(--accent); font-weight: 600; opacity: .8; }
.brand .tag { color: var(--muted); font-size: 12px; border-left: 1px solid var(--border); padding-left: .55rem; }

header.topbar nav { display: flex; gap: 1.1rem; }
header.topbar nav a { color: var(--fg-dim); }
header.topbar nav a:hover { color: var(--accent-strong); text-decoration: none; }
header.topbar .spacer { flex: 1; }
header.topbar .who { color: var(--muted); }

/* ---- layout ------------------------------------------------------------- */

main { max-width: 1100px; margin: 1.4rem auto; padding: 0 1.1rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  margin-bottom: 1.1rem;
  box-shadow: var(--shadow);
}
.card h2, .card h3 { margin-top: .2rem; }

.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.row > * { flex: 1 1 320px; }
.muted { color: var(--muted); }

/* header bar: title grows, controls keep their natural width */
.bar { display: flex; align-items: center; gap: .55rem; flex-wrap: wrap; margin-bottom: .6rem; }
.bar .grow { flex: 1 1 auto; margin: 0; }
.bar form { margin: 0; }

/* ---- tables ------------------------------------------------------------- */

table { border-collapse: collapse; width: 100%; }
th, td {
  text-align: left;
  padding: .5rem .65rem;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:hover { background: rgba(141, 165, 230, .05); }

/* ---- form controls --------------------------------------------------- */

input, select, textarea {
  font: inherit;
  color: var(--fg);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .4rem .55rem;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

.btn {
  display: inline-block;
  padding: .42rem .85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--fg);
  cursor: pointer;
  font: inherit;
  transition: border-color .15s, background .15s;
}
.btn:hover { border-color: var(--accent); }
.btn.primary {
  background: var(--ok);
  border-color: var(--ok);
  color: #16241b;
  font-weight: 600;
}
.btn.primary:hover { background: var(--ok-strong); border-color: var(--ok-strong); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ---- status badges --------------------------------------------------- */

.badge {
  display: inline-block;
  padding: .12rem .55rem;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid transparent;
  background: var(--bg-2);
  color: var(--fg-dim);
}
.badge.queued, .badge.running, .badge.resuming { background: var(--accent-bg); color: var(--accent-strong); }
.badge.needs_input { background: var(--warn-bg); color: var(--warn); }
.badge.booked { background: var(--ok-bg); color: var(--ok-strong); }
.badge.skipped { background: var(--bg-2); color: var(--muted); }
.badge.error { background: var(--err-bg); color: var(--err); }

/* ---- code / json --------------------------------------------------- */

pre {
  background: var(--card-2);
  border: 1px solid var(--border-soft);
  color: var(--fg-dim);
  padding: .8rem;
  border-radius: 8px;
  overflow-x: auto;
}
code { background: rgba(141, 165, 230, .12); padding: .05rem .3rem; border-radius: 4px; }

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

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.messages li {
  padding: .55rem .8rem;
  border-radius: 8px;
  margin-bottom: .4rem;
  background: var(--accent-bg);
  color: var(--accent-strong);
  border: 1px solid var(--border-soft);
}
.messages li.error { background: var(--err-bg); color: var(--err); }
.messages li.success { background: var(--ok-bg); color: var(--ok-strong); }
.messages li.warning { background: var(--warn-bg); color: var(--warn); }

/* ---- run timeline ------------------------------------------------- */

.timeline { list-style: none; padding-left: 0; }
.timeline li { margin-bottom: .4rem; padding-left: .9rem; border-left: 2px solid var(--border); }
.timeline li strong { color: var(--fg); }

/* interrupt / needs-input panel */
.card.needs-review { background: var(--warn-bg); border-color: #4a3d22; }
.card.needs-review input { min-width: 320px; }

/* ---- login ------------------------------------------------------ */

.login-wrap { max-width: 900px; margin: 3rem auto; }
.login-hero {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  display: block;
  box-shadow: var(--shadow);
}
.login-card { max-width: 360px; margin: 1.4rem auto 0; text-align: left; }
.login-card h1 { margin: 0 0 .1rem; letter-spacing: .05em; }
.login-card .tag { color: var(--muted); margin: 0 0 1rem; }
.login-card form p { margin: .5rem 0; }
.login-card input { width: 100%; }