/* ── Light mode (default) ─────────────────────────────────────────────────── */
:root {
  --navy:      #0d2137;
  --accent:    #0a7ea4;
  --accent-lt: #14b8d4;
  --surface:   #ffffff;
  --surface-2: #f8fafc;
  --bg:        #f0f6fa;
  --border:    #e2ebf0;
  --text:      #1a2e3b;
  --muted:     #64748b;
  --danger:    #c0392b;
  --success:   #1d9d6c;
  --warning:   #e07b39;
  --radius:    8px;
  --shadow:    0 2px 8px rgba(0,0,0,.08);

  /* Status badge colours — light */
  --badge-draft-bg:           #e2e8f0; --badge-draft-text:           #475569;
  --badge-assigned-bg:        #dbeafe; --badge-assigned-text:        #1d4ed8;
  --badge-scheduled-bg:       #fef3c7; --badge-scheduled-text:       #92400e;
  --badge-in_progress-bg:     #d1fae5; --badge-in_progress-text:     #065f46;
  --badge-pending_review-bg:  #ede9fe; --badge-pending_review-text:  #5b21b6;
  --badge-closed-bg:          #f3f4f6; --badge-closed-text:          #6b7280;

  font-family: Calibri, 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  color-scheme: light;
}

/* ── Dark mode ────────────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --navy:      #0a1929;
    --accent:    #29b6d8;
    --accent-lt: #4dd0e8;
    --surface:   #0f2336;
    --surface-2: #0c1d2e;
    --bg:        #081828;
    --border:    #1e3a52;
    --text:      #e2eaf2;
    --muted:     #8baabf;
    --danger:    #f87171;
    --success:   #34d399;
    --warning:   #fbbf24;
    --shadow:    0 2px 12px rgba(0,0,0,.4);

    /* Status badge colours — dark (muted tints so they don't blaze) */
    --badge-draft-bg:           #1e2d3d; --badge-draft-text:           #94a3b8;
    --badge-assigned-bg:        #1e3a5f; --badge-assigned-text:        #93c5fd;
    --badge-scheduled-bg:       #3d2e00; --badge-scheduled-text:       #fde68a;
    --badge-in_progress-bg:     #064e30; --badge-in_progress-text:     #6ee7b7;
    --badge-pending_review-bg:  #2e1f5e; --badge-pending_review-text:  #c4b5fd;
    --badge-closed-bg:          #1c2a38; --badge-closed-text:          #6b7280;

    color-scheme: dark;
  }
}

/* ── Reset ────────────────────────────────────────────────────────────────── */
body { min-height: 100vh; }

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

/* ── Buttons ──────────────────────────────────────────────────────────────── */
button {
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  padding: .5rem 1rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  transition: opacity .15s;
}
button:hover { opacity: .85; }
button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

/* ── Form controls ────────────────────────────────────────────────────────── */
input, select, textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .5rem .75rem;
  width: 100%;
  background: var(--surface);
  color: var(--text);
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* Native date/time pickers pick up OS colour scheme via color-scheme property */
input[type="datetime-local"] { color-scheme: inherit; }

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

/* ── Status badges ────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: .2rem .6rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-draft           { background: var(--badge-draft-bg);          color: var(--badge-draft-text); }
.badge-assigned        { background: var(--badge-assigned-bg);       color: var(--badge-assigned-text); }
.badge-scheduled       { background: var(--badge-scheduled-bg);      color: var(--badge-scheduled-text); }
.badge-in_progress     { background: var(--badge-in_progress-bg);    color: var(--badge-in_progress-text); }
.badge-pending_review  { background: var(--badge-pending_review-bg); color: var(--badge-pending_review-text); }
.badge-closed          { background: var(--badge-closed-bg);         color: var(--badge-closed-text); }

/* ── Layout ───────────────────────────────────────────────────────────────── */
#app { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

/* ── Nav ──────────────────────────────────────────────────────────────────── */
nav {
  background: var(--navy);
  color: #fff;
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
nav .brand      { font-weight: 700; font-size: 1.1rem; color: #fff; }
nav a           { color: rgba(255,255,255,.8); font-size: .9rem; }
nav a:hover     { color: #fff; text-decoration: none; }
nav .spacer     { flex: 1; }
nav .user-info  { font-size: .85rem; color: rgba(255,255,255,.6); }

/* ── Page header ──────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0 1rem;
}
.page-header h1 { font-size: 1.4rem; }