/* ============================================================
   Design tokens
   Subject: a tennis stringing shop's internal staff panel.
   Palette pulls from hard-court blue-green, strung-gut yellow,
   and clay-court brick red -- not the usual cream/terracotta combo.
   ============================================================ */
:root {
  --ink: #16232b;
  --ink-soft: #46565f;
  --paper: #f4f6f4;
  --surface: #ffffff;
  --line: #dde3de;
  --line-soft: #ecf0ec;

  --court: #1d4d4a;       /* deep hard-court teal, used for nav/header */
  --court-light: #2c6b66;
  --gut: #c7d94a;         /* strung-gut yellow-green, primary accent */
  --gut-ink: #3c4413;     /* dark text on gut background */
  --clay: #b6472f;        /* clay-court brick red, alerts/danger */
  --clay-soft: #f5e3de;
  --grass: #3f7d58;       /* success green */
  --grass-soft: #e2efe6;

  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 1px 2px rgba(22, 35, 43, 0.06), 0 4px 14px rgba(22, 35, 43, 0.05);

  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 0.4em;
}

h1 { font-size: 2rem; text-transform: uppercase; letter-spacing: 0.03em; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.1rem; }

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

.mono { font-family: var(--font-mono); }

/* ---------- Layout ---------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--court);
  color: #f0f5f2;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 24px 20px;
  border-bottom: 1px solid rgba(240, 245, 242, 0.15);
  margin-bottom: 12px;
}
.brand span { color: var(--gut); }

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 24px;
  color: rgba(240, 245, 242, 0.82);
  font-size: 0.95rem;
  border-left: 3px solid transparent;
}
.nav-link:hover {
  background: rgba(240, 245, 242, 0.08);
  text-decoration: none;
  color: #fff;
}
.nav-link.active {
  background: rgba(240, 245, 242, 0.1);
  border-left-color: var(--gut);
  color: #fff;
}

.nav-footer {
  margin-top: auto;
  padding: 16px 24px 0;
  border-top: 1px solid rgba(240, 245, 242, 0.15);
  font-size: 0.85rem;
  color: rgba(240, 245, 242, 0.65);
}
.nav-footer form { margin-top: 8px; }
.nav-footer button {
  background: none;
  border: none;
  color: rgba(240, 245, 242, 0.85);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  text-decoration: underline;
}

.main {
  flex: 1;
  min-width: 0;
  padding: 32px 40px 60px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-header .subtitle {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-top: -4px;
}

/* ---------- Stringbed pattern (signature motif) ---------- */
.stringbed {
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.14) 0, rgba(255,255,255,0.14) 1px, transparent 1px, transparent 9px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.14) 0, rgba(255,255,255,0.14) 1px, transparent 1px, transparent 9px);
}

.hero-band {
  background: var(--court);
  color: #eef4f1;
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.hero-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.06) 0, rgba(255,255,255,0.06) 1px, transparent 1px, transparent 11px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.06) 0, rgba(255,255,255,0.06) 1px, transparent 1px, transparent 11px);
  pointer-events: none;
}
.hero-band h1 { color: #fff; position: relative; }
.hero-band p { position: relative; margin: 0; color: rgba(238,244,241,0.85); }

/* ---------- Cards / stats ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.stat-card .stat-value {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--court);
}
.stat-card .stat-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}
.stat-card.alert .stat-value { color: var(--clay); }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.two-col {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
}

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.92rem;
}
th {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  color: var(--ink-soft);
  font-weight: 600;
}
tr:hover td { background: var(--line-soft); }
td.num, th.num { font-family: var(--font-mono); text-align: right; }

.table-wrap { overflow-x: auto; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-low { background: var(--clay-soft); color: var(--clay); }
.badge-ok { background: var(--grass-soft); color: var(--grass); }
.badge-pending { background: #fff3d6; color: #8a6100; }
.badge-ordered { background: #dde8f7; color: #2a5a99; }
.badge-received { background: var(--grass-soft); color: var(--grass); }
.badge-completed { background: var(--line-soft); color: var(--ink-soft); }
.badge-cancelled { background: var(--clay-soft); color: var(--clay); }

/* ---------- Buttons & forms ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 9px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  background: var(--court);
  color: #fff;
}
.btn:hover { background: var(--court-light); text-decoration: none; }
.btn-accent { background: var(--gut); color: var(--gut-ink); }
.btn-accent:hover { background: #d3e35f; }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { background: var(--line-soft); }
.btn-danger { background: transparent; border-color: var(--clay); color: var(--clay); }
.btn-danger:hover { background: var(--clay-soft); }
.btn-sm { padding: 5px 10px; font-size: 0.78rem; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-grid.single { grid-template-columns: 1fr; }
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
}

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}
.field input, .field select, .field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--gut);
  outline-offset: 1px;
  border-color: var(--court);
}
.field textarea { resize: vertical; min-height: 70px; }
.field .hint { font-size: 0.78rem; color: var(--ink-soft); font-weight: 400; text-transform: none; }

.search-bar { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.search-bar input[type="text"] {
  flex: 1;
  min-width: 200px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.filter-tabs a {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-weight: 600;
}
.filter-tabs a.active {
  background: var(--court);
  border-color: var(--court);
  color: #fff;
}
.filter-tabs a:hover { text-decoration: none; border-color: var(--court); }

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  font-size: 0.9rem;
}
.alert-error { background: var(--clay-soft); color: var(--clay); }
.alert-info { background: var(--grass-soft); color: var(--grass); }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--ink-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: repeating-linear-gradient(0deg, var(--line-soft) 0, var(--line-soft) 1px, transparent 1px, transparent 12px),
              repeating-linear-gradient(90deg, var(--line-soft) 0, var(--line-soft) 1px, transparent 1px, transparent 12px);
  background-color: var(--surface);
}

.row-actions { display: flex; gap: 8px; align-items: center; }
.row-actions form { display: inline; }

.tension-tag {
  font-family: var(--font-mono);
  background: var(--line-soft);
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.85rem;
}

/* ---------- Login page ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--court);
  position: relative;
  overflow: hidden;
}
.login-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.05) 0, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 13px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 13px);
}
.login-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-card .brand {
  border: none;
  padding: 0 0 20px;
  color: var(--ink);
  font-size: 1.6rem;
}
.login-card .brand span { color: var(--court); }
.login-card p.tag {
  margin: -12px 0 20px;
  color: var(--ink-soft);
  font-size: 0.88rem;
}
.login-card .btn { width: 100%; justify-content: center; margin-top: 6px; }

@media (max-width: 720px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; overflow-x: auto; padding: 12px 0; }
  .brand { border: none; padding: 0 16px; margin: 0; display: flex; align-items: center; }
  .nav-footer { display: none; }
  .main { padding: 20px; }
}