:root {
  --ink: #1C2B33;
  --ink-soft: #2C3E48;
  --paper: #F7F5F0;
  --paper-dim: #EDEAE2;
  --line: #DEDACD;
  --clay: #C4623F;
  --clay-dim: #F1DDD3;
  --forest: #3D6B52;
  --forest-dim: #DCE7DF;
  --brick: #A8433A;
  --brick-dim: #F1DAD7;
  --text: #262420;
  --text-dim: #6B6558;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--clay); outline-offset: 2px; }

/* ---------- Sign-in screen ---------- */
.signin-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(180deg, var(--ink) 0%, var(--ink) 55%, var(--paper) 55%);
}
.signin-card {
  width: min(360px, 90vw);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 40px 32px;
  text-align: center;
}
.signin-mark {
  width: 48px; height: 48px;
  margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  background: var(--clay);
  color: white;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}
.signin-card h1 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 0 0 8px;
}
.signin-sub {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 28px;
}
#google-btn { display: flex; justify-content: center; }
.signin-error {
  margin-top: 16px;
  color: var(--brick);
  font-size: 13px;
}

/* ---------- App shell ---------- */
.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--ink);
  color: #E9E4D8;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  padding: 0 20px 24px;
  letter-spacing: -0.01em;
}
.brand span { color: var(--clay); }
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  background: none;
  border: none;
  color: #C8C2B4;
  text-align: left;
  padding: 10px 20px;
  font-size: 14px;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: rgba(255,255,255,0.04); color: #fff; }
.nav-item.active {
  color: #fff;
  border-left-color: var(--clay);
  background: rgba(255,255,255,0.06);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px 4px;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 12px;
}
.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--clay);
  object-fit: cover;
}
.user-meta { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 600; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: #A39C8C; text-transform: capitalize; }
.logout-btn {
  background: none; border: none; color: #A39C8C; font-size: 16px; padding: 4px;
}
.logout-btn:hover { color: #fff; }

.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-bottom: 1px solid var(--line);
}
.topbar h1 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0;
}
.view-root { padding: 28px 32px; overflow-y: auto; }

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
}
.btn:hover { background: var(--ink-soft); }
.btn.secondary {
  background: transparent;
  color: var(--ink);
}
.btn.secondary:hover { background: var(--paper-dim); }
.btn.approve { border-color: var(--forest); background: var(--forest); }
.btn.approve:hover { background: #2f5842; }
.btn.reject { border-color: var(--brick); background: var(--brick); }
.btn.reject:hover { background: #8c362e; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Panels / tables ---------- */
.panel {
  background: #fff;
  border: 1px solid var(--line);
  margin-bottom: 24px;
}
.panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 18px; border-bottom: 1px solid var(--line); }
th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }
.empty-row td { text-align: center; color: var(--text-dim); padding: 32px; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 2px;
}
.badge.pending { background: var(--clay-dim); color: var(--clay); }
.badge.approved { background: var(--forest-dim); color: var(--forest); }
.badge.rejected { background: var(--brick-dim); color: var(--brick); }

/* ---------- Stats ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 24px;
}
.stat {
  background: #fff;
  padding: 18px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
}
.stat-label { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 18px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--text-dim); }
.field input, .field select, .field textarea {
  border: 1px solid var(--line);
  padding: 8px 10px;
  font-size: 13.5px;
  font-family: inherit;
  background: var(--paper);
}
.field textarea { resize: vertical; min-height: 60px; }
.form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 10px; }

.hint { font-size: 12px; color: var(--text-dim); }
.error-text { font-size: 12.5px; color: var(--brick); margin-top: 8px; }

/* ---------- Timeclock ---------- */
.clock-panel { text-align: center; padding: 40px 20px; }
.clock-status { font-family: var(--font-display); font-size: 20px; margin-bottom: 20px; }
.clock-status.in { color: var(--forest); }
.clock-status.out { color: var(--text-dim); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  font-size: 13px;
  z-index: 100;
}
.toast.error { background: var(--brick); }

@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .form-grid { grid-template-columns: 1fr; }
}