*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:  #198754;
  --green-bg: #d1e7dd;
  --blue:   #0d6efd;
  --blue-bg: #cfe2ff;
  --orange: #e67e22;
  --orange-bg: #fde9d3;
  --red:    #dc3545;
  --gray:   #6c757d;
  --border: #dee2e6;
  --text:   #212529;
  --muted:  #6c757d;
  --surface: #f8f9fa;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #f0f2f5;
  color: var(--text);
  min-height: 100vh;
}

/* ── Login page ──────────────────────────────────────────────────────────── */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,.10);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
}

.login-card .brand {
  text-align: center;
  margin-bottom: 2rem;
}

.login-card .brand h1 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.5px;
}

.login-card .brand p {
  font-size: .85rem;
  color: var(--muted);
  margin-top: .25rem;
}

.login-card label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: .35rem;
}

.login-card input {
  width: 100%;
  padding: .65rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: .95rem;
  outline: none;
  transition: border-color .15s;
  color: var(--text);
}

.login-card input:focus { border-color: var(--blue); }

.login-card .field { margin-bottom: 1rem; }

.login-card button[type="submit"] {
  width: 100%;
  padding: .7rem;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: .5rem;
  transition: background .15s;
}

.login-card button[type="submit"]:hover { background: #0b5ed7; }

.login-card .error-msg {
  background: #f8d7da;
  color: #842029;
  border-radius: 6px;
  padding: .55rem .8rem;
  font-size: .87rem;
  margin-bottom: 1rem;
  display: none;
}

/* ── Dashboard layout ────────────────────────────────────────────────────── */

.dashboard {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.topbar h1 {
  font-size: 1.3rem;
  font-weight: 700;
}

.topbar a.logout-btn {
  font-size: .85rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .3rem .75rem;
  transition: background .12s;
}

.topbar a.logout-btn:hover { background: var(--surface); }

/* ── Calendar card ───────────────────────────────────────────────────────── */

.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,.07);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}

.month-nav h2 {
  font-size: 1.05rem;
  font-weight: 700;
}

.month-nav button {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  width: 34px; height: 34px;
  font-size: 1rem;
  cursor: pointer;
  color: var(--text);
  transition: background .12s;
}

.month-nav button:hover { background: var(--surface); }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-header {
  text-align: center;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--muted);
  padding: .3rem 0;
}

.cal-day {
  border-radius: 8px;
  padding: .5rem .25rem;
  min-height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: default;
  position: relative;
  border: 1.5px solid transparent;
  transition: border-color .12s, background .12s;
}

.cal-day .day-num {
  font-size: .92rem;
  font-weight: 600;
  line-height: 1;
}

.cal-day .day-tag {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .3px;
  opacity: .85;
}

/* State variants */
.cal-day.empty { pointer-events: none; }

.cal-day.weekend {
  background: #fafafa;
  color: var(--muted);
  pointer-events: none;
}

.cal-day.past { opacity: .5; pointer-events: none; }

.cal-day.future, .cal-day.today {
  cursor: pointer;
}

.cal-day.future:hover, .cal-day.today:hover {
  border-color: var(--blue);
  background: var(--blue-bg);
}

.cal-day.today .day-num {
  background: var(--blue);
  color: #fff;
  border-radius: 50%;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
}

/* Scheduled colors */
.cal-day.sched-both     { background: var(--green-bg);  border-color: var(--green); }
.cal-day.sched-clock_in  { background: var(--blue-bg);  border-color: var(--blue); }
.cal-day.sched-clock_out { background: var(--orange-bg); border-color: var(--orange); }

.cal-day.sched-both .day-tag     { color: var(--green); }
.cal-day.sched-clock_in .day-tag  { color: var(--blue); }
.cal-day.sched-clock_out .day-tag { color: var(--orange); }

/* ── Legend ──────────────────────────────────────────────────────────────── */

.legend {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-top: 1rem;
  font-size: .8rem;
  color: var(--muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: .35rem;
}

.legend-dot {
  width: 12px; height: 12px;
  border-radius: 3px;
  border: 1.5px solid;
}

.legend-dot.both     { background: var(--green-bg);  border-color: var(--green); }
.legend-dot.clock_in  { background: var(--blue-bg);  border-color: var(--blue); }
.legend-dot.clock_out { background: var(--orange-bg); border-color: var(--orange); }
.legend-dot.none     { background: #fff; border-color: var(--border); }

/* ── Modal ───────────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal-overlay.hidden { display: none; }

.modal {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 40px rgba(0,0,0,.18);
  width: 100%;
  max-width: 360px;
  padding: 1.5rem;
}

.modal h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
}

.modal .radio-group {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  margin-bottom: 1.25rem;
}

.modal .radio-option {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .6rem .75rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background .12s, border-color .12s;
  font-size: .92rem;
}

.modal .radio-option:hover { background: var(--surface); }

.modal .radio-option input[type="radio"] { accent-color: var(--blue); }

.modal .radio-option.opt-both     { --hi: var(--green); }
.modal .radio-option.opt-clock_in  { --hi: var(--blue); }
.modal .radio-option.opt-clock_out { --hi: var(--orange); }

.modal .radio-option input:checked ~ span { color: var(--hi, var(--text)); font-weight: 600; }
.modal .radio-option:has(input:checked) { border-color: var(--hi, var(--blue)); background: color-mix(in srgb, var(--hi, var(--blue)) 8%, transparent); }

.modal .modal-actions {
  display: flex;
  gap: .6rem;
  justify-content: flex-end;
}

.modal .btn {
  padding: .5rem 1.1rem;
  border-radius: 7px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity .12s;
}

.modal .btn:hover { opacity: .85; }

.modal .btn-primary  { background: var(--blue); color: #fff; }
.modal .btn-danger   { background: var(--red);  color: #fff; margin-right: auto; }
.modal .btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }

/* ── Logs table ──────────────────────────────────────────────────────────── */

.card h2 { font-size: .95rem; font-weight: 700; margin-bottom: .9rem; }

.logs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .83rem;
}

.logs-table th {
  text-align: left;
  font-weight: 700;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--muted);
  padding: .4rem .6rem;
  border-bottom: 2px solid var(--border);
}

.logs-table td {
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}

.logs-table tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 4px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .3px;
}

.badge.success { background: var(--green-bg); color: var(--green); }
.badge.skipped { background: #fff3cd; color: #856404; }
.badge.error   { background: #f8d7da; color: #842029; }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 2rem;
  font-size: .88rem;
}