/* ============================================================
   Chấm công — stylesheet duy nhất (light mặc định, [data-theme=dark] override)
   ============================================================ */
:root {
  --color-primary: #2D99AE;      /* màu chủ đạo */
  --color-primary-h: #237E90;
  --color-primary-soft: #1F6E7E;
  --color-bg: #F1F7F9;
  --color-surface: #FFFFFF;
  --color-bg2: #E4F1F4;
  --color-border: #CBE3E9;
  --color-border2: #9FC7D1;
  --color-text: #14252A;
  --color-text2: #1A5261;
  --color-muted: #567F89;
  --color-accent: #2D99AE;       /* điểm nhấn = chủ đạo */
  --color-accent-soft: #7ECBD9;
  --color-gold: #C98A21;         /* nhấn ấm: ca sáng, badge cảnh báo nhẹ */
  --color-text-on-primary: #FFFFFF;
  --color-text-on-gold: #3A2A08;
  --sidebar-bg: #123A44;
  --color-ok: #2E7D32;
  --color-warn: #B26A00;
  --color-err: #C62828;
  --color-info: #1565C0;
  --shadow: 0 2px 10px rgba(20, 37, 42, .08);
  --radius: 10px;
}
[data-theme="dark"] {
  --color-primary: #3AAEC4;
  --color-primary-h: #2D99AE;
  --color-primary-soft: #7ECBD9;
  --color-bg: #0E1A1E;
  --color-surface: #152429;
  --color-bg2: #1D3037;
  --color-border: #26404A;
  --color-border2: #38606D;
  --color-text: #E8F2F5;
  --color-text2: #BFDDE5;
  --color-muted: #8FB2BC;
  --color-accent: #3AAEC4;
  --color-gold: #D9A441;
  --sidebar-bg: #0C1B20;
  --shadow: 0 2px 10px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14.5px;
  line-height: 1.5;
}
a { color: var(--color-primary-soft); }
h1, h2, h3 { color: var(--color-text2); font-weight: 700; }

/* ---------- Layout: sidebar cố định + main ---------- */
.app-shell { display: block; min-height: 100vh; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 230px; z-index: 40;
  background: var(--sidebar-bg); color: #EADFE6;
  display: flex; flex-direction: column; padding: 18px 12px;
}
.sidebar .brand { font-size: 18px; font-weight: 800; color: #fff; padding: 0 10px 16px; letter-spacing: .3px; }
.sidebar .brand small { display: block; font-size: 11px; font-weight: 400; color: #8FC0CC; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; margin: 2px 0;
  border-radius: 8px; color: #CFE5EA; cursor: pointer; border: 0; background: none;
  font-size: 14px; width: 100%; text-align: left; font-family: inherit;
}
.nav-item:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.nav-item.active { background: var(--color-primary); color: #fff; font-weight: 700; }
/* Nhãn nhóm menu trong sidebar */
.nav-section {
  font-size: 10.5px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
  color: #6E9BA6; padding: 14px 12px 4px;
}
.nav-item .count {
  margin-left: auto; background: var(--color-gold); color: var(--color-text-on-gold);
  border-radius: 999px; padding: 0 7px; font-size: 11px; font-weight: 800;
}
.sidebar .spacer { flex: 1; }
.sidebar { overflow-y: auto; }
.app-main { margin-left: 230px; padding: 20px 24px 60px; min-height: 100vh; }

.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.topbar h1 { font-size: 20px; }
.topbar .grow { flex: 1; }
.userchip {
  display: flex; align-items: center; gap: 8px; background: var(--color-surface);
  border: 1px solid var(--color-border); padding: 6px 12px; border-radius: 999px; font-size: 13px;
}
.userchip .avatar {
  width: 26px; height: 26px; border-radius: 50%; background: var(--color-primary);
  color: var(--color-text-on-primary); display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}

/* ---------- Components ---------- */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px;
}
.card h2 { font-size: 16px; margin-bottom: 12px; }
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.card-head h2 { margin: 0; }
.card-head .grow { flex: 1; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px;
  border: 1px solid transparent; background: var(--color-primary); color: var(--color-text-on-primary);
  font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit; text-decoration: none;
}
.btn:hover { background: var(--color-primary-h); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: var(--color-bg2); color: var(--color-text2); border-color: var(--color-border2); }
.btn.secondary:hover { background: var(--color-border); }
.btn.gold { background: var(--color-gold); color: var(--color-text-on-gold); }
.btn.ok { background: var(--color-ok); color: #fff; }
.btn.danger { background: var(--color-err); }
.btn.ghost { background: none; border-color: var(--color-border2); color: var(--color-text2); }
.btn.sm { padding: 4px 10px; font-size: 12.5px; }
.btn.big { padding: 14px 28px; font-size: 16px; border-radius: 12px; }

.input, select.input, textarea.input {
  width: 100%; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--color-border2);
  background: var(--color-surface); color: var(--color-text); font-size: 14px; font-family: inherit;
}
.input:focus { outline: 2px solid var(--color-accent); outline-offset: 0; border-color: var(--color-accent); }
.input.inline { width: auto; }
label.field { display: block; margin-bottom: 12px; font-size: 13px; color: var(--color-muted); font-weight: 600; }
label.field .input { margin-top: 4px; font-weight: 400; }
.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th {
  text-align: left; padding: 9px 10px; background: var(--color-bg2); color: var(--color-text2);
  font-size: 12px; text-transform: uppercase; letter-spacing: .4px; white-space: nowrap;
  position: sticky; top: 0;
}
.data-table td { padding: 9px 10px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.data-table tr:hover td { background: var(--color-bg2); }
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: 8px; }

.badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700;
  background: var(--color-bg2); color: var(--color-text2); white-space: nowrap;
}
.badge.ok { background: rgba(46, 125, 50, .14); color: var(--color-ok); }
.badge.warn { background: rgba(178, 106, 0, .14); color: var(--color-warn); }
.badge.err { background: rgba(198, 40, 40, .14); color: var(--color-err); }
.badge.info { background: rgba(21, 101, 192, .12); color: var(--color-info); }
.badge.gold { background: rgba(201, 138, 33, .18); color: var(--color-gold); }
.badge.primary { background: rgba(45, 153, 174, .16); color: var(--color-primary-soft); }
.badge.muted { color: var(--color-muted); }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(9, 24, 28, .55); display: none;
  align-items: flex-start; justify-content: center; z-index: 100; padding: 6vh 16px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--color-surface); border-radius: 12px; width: 100%; max-width: 520px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .3); max-height: 86vh; display: flex; flex-direction: column;
}
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--color-border); }
.modal-header h3 { font-size: 16px; }
.modal-close { background: none; border: 0; font-size: 18px; cursor: pointer; color: var(--color-muted); }
.modal-body { padding: 18px 20px; overflow-y: auto; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--color-border); display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- Toast ---------- */
#toast-root { position: fixed; top: 18px; right: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--color-surface); border: 1px solid var(--color-border2); border-left: 4px solid var(--color-info);
  border-radius: 8px; padding: 10px 16px; box-shadow: var(--shadow); font-size: 13.5px; max-width: 340px;
  animation: toast-in .18s ease-out;
}
.toast.ok { border-left-color: var(--color-ok); }
.toast.err { border-left-color: var(--color-err); }
@keyframes toast-in { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- Login ---------- */
.page-login body, body.page-login { background: var(--color-bg); }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; box-shadow: var(--shadow); padding: 30px 28px; }
.login-card .logo { text-align: center; margin-bottom: 22px; }
.login-card .logo .mark {
  width: 52px; height: 52px; border-radius: 14px; background: var(--color-primary); color: var(--color-text-on-primary);
  display: inline-flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 10px;
}
.login-card h1 { font-size: 19px; }
.login-card .sub { color: var(--color-muted); font-size: 13px; }
.gate-block { text-align: center; padding: 60px 20px; }
.gate-block h1 { font-size: 46px; color: var(--color-border2); }

/* ---------- Check-in card (user) ---------- */
.checkin-hero { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.clock-big { font-size: 42px; font-weight: 800; color: var(--color-text2); font-variant-numeric: tabular-nums; line-height: 1.1; }
.clock-date { color: var(--color-muted); font-size: 14px; }
.shift-pill {
  padding: 10px 18px; border-radius: 12px; background: var(--color-bg2);
  border: 1px solid var(--color-border); font-size: 14px;
}
.shift-pill b { display: block; font-size: 16px; color: var(--color-text2); }
.checkin-actions { display: flex; gap: 12px; margin-left: auto; flex-wrap: wrap; }
.checkin-times { display: flex; gap: 22px; margin-top: 14px; flex-wrap: wrap; }
.checkin-times .t { font-size: 13px; color: var(--color-muted); }
.checkin-times .t b { display: block; font-size: 17px; color: var(--color-text2); font-variant-numeric: tabular-nums; }

/* ---------- Lịch tháng (user calendar + admin roster) ---------- */
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-head { text-align: center; font-size: 11.5px; font-weight: 700; color: var(--color-muted); text-transform: uppercase; padding: 4px 0; }
.cal-cell {
  min-height: 74px; border: 1px solid var(--color-border); border-radius: 8px; padding: 6px 8px;
  background: var(--color-surface); font-size: 12px;
}
.cal-cell.empty { background: none; border-color: transparent; }
.cal-cell.today { outline: 2px solid var(--color-accent); }
.cal-cell .d { font-weight: 700; color: var(--color-muted); }
.cal-cell .shift-tag { margin-top: 4px; }

.shift-tag { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11.5px; font-weight: 700; }
.shift-M { background: rgba(201, 138, 33, .2); color: #97671A; }
.shift-A { background: rgba(45, 153, 174, .18); color: var(--color-primary-soft); }
.shift-N { background: rgba(21, 101, 192, .13); color: var(--color-info); }
.shift-OFF { background: var(--color-bg2); color: var(--color-muted); }
[data-theme="dark"] .shift-M { color: #E0B563; }
[data-theme="dark"] .shift-N { color: #79AEEA; }

/* Roster grid admin */
.roster-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: 8px; }
.roster-table { border-collapse: collapse; font-size: 12px; }
.roster-table th, .roster-table td { border: 1px solid var(--color-border); text-align: center; padding: 0; }
.roster-table th { background: var(--color-bg2); font-size: 11px; padding: 6px 4px; min-width: 34px; }
.roster-table th.name-col, .roster-table td.name-col {
  text-align: left; padding: 6px 10px; min-width: 160px; position: sticky; left: 0;
  background: var(--color-surface); z-index: 2; font-weight: 600;
}
.roster-table th.name-col { background: var(--color-bg2); z-index: 3; }
.roster-table td.rc {
  min-width: 34px; height: 34px; cursor: pointer; font-weight: 700; user-select: none;
}
.roster-table td.rc:hover { outline: 2px solid var(--color-accent); outline-offset: -2px; }
.roster-table td.rc.weekend { background: var(--color-bg2); }
.roster-table td.rc.dirty { box-shadow: inset 0 0 0 2px var(--color-accent); }
.rc.M { background: rgba(201, 138, 33, .25); color: #97671A; }
.rc.A { background: rgba(45, 153, 174, .22); color: var(--color-primary-soft); }
.rc.N { background: rgba(21, 101, 192, .16); color: var(--color-info); }
.rc.OFF { color: var(--color-muted); }
[data-theme="dark"] .rc.M { color: #E0B563; }
[data-theme="dark"] .rc.N { color: #79AEEA; }

.paint-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.paint-btn {
  padding: 6px 14px; border-radius: 8px; border: 2px solid var(--color-border2); background: var(--color-surface);
  font-weight: 700; cursor: pointer; font-family: inherit; font-size: 13px; color: var(--color-text2);
}
.paint-btn.active { border-color: var(--color-accent); background: rgba(45, 153, 174, .15); }

/* ---------- Log viewer ---------- */
.log-detail { font-size: 12.5px; color: var(--color-muted); }
.log-detail .chg { display: block; }
.log-detail .chg b { color: var(--color-text2); }

/* ---------- Ô mật khẩu: nút hiện/ẩn + checklist điều kiện ---------- */
.pw-field { position: relative; }
.pw-field .input { padding-right: 44px; }
.pw-toggle {
  position: absolute; right: 6px; bottom: 0; height: 38px; width: 34px; display: flex;
  align-items: center; justify-content: center; background: none; border: 0; cursor: pointer;
  color: var(--color-muted); font-size: 16px; border-radius: 6px; line-height: 1;
}
.pw-toggle:hover { background: var(--color-bg2); color: var(--color-text2); }
.pw-toggle:focus-visible { outline: 2px solid var(--color-accent); }
.pw-rules { list-style: none; margin: 4px 0 12px; display: grid; gap: 3px; font-size: 12.5px; }
.pw-rules li { display: flex; align-items: center; gap: 7px; color: var(--color-muted); }
.pw-rules li::before { content: '○'; font-size: 12px; width: 13px; text-align: center; }
.pw-rules li.ok { color: var(--color-ok); }
.pw-rules li.ok::before { content: '✓'; font-weight: 800; }
.pw-rules li.no { color: var(--color-err); }
.pw-rules li.no::before { content: '✕'; font-weight: 800; }
.pw-strength { height: 5px; border-radius: 999px; background: var(--color-bg2); overflow: hidden; margin: 8px 0 4px; }
.pw-strength i { display: block; height: 100%; width: 0; background: var(--color-err); transition: width .18s, background .18s; }
.pw-strength.s2 i { width: 40%; background: var(--color-warn); }
.pw-strength.s3 i { width: 60%; background: var(--color-warn); }
.pw-strength.s4 i { width: 80%; background: var(--color-primary); }
.pw-strength.s5 i { width: 100%; background: var(--color-ok); }
.pw-strength.s1 i { width: 20%; }

/* ---------- Phân quyền: lưới checkbox ---------- */
.perm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.perm-group {
  border: 1px solid var(--color-border); border-radius: 8px; padding: 10px 12px; background: var(--color-bg2);
}
.perm-group h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--color-text2); margin-bottom: 6px; }
.check-row {
  display: flex; align-items: flex-start; gap: 8px; font-size: 13px; padding: 3px 0;
  color: var(--color-text); cursor: pointer; font-weight: 400;
}
.check-row input { margin-top: 2px; accent-color: var(--color-primary); width: 15px; height: 15px; cursor: pointer; }
.perm-tags { display: flex; flex-wrap: wrap; gap: 4px; }

.check-row.inline-check { display: inline-flex; align-items: center; font-size: 13px; white-space: nowrap; }
.check-row.big-check {
  background: var(--color-bg2); border: 1px solid var(--color-border); border-radius: 8px;
  padding: 12px 14px; align-items: flex-start; font-size: 14px;
}
.pw-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: -4px 0 8px; font-size: 12.5px; }

/* ---------- Whitelist IP: nhãn + IP ---------- */
.ip-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 13px; color: var(--color-text2); }
.ip-head b { flex: 1; }
.ip-rows { display: flex; flex-direction: column; gap: 8px; }
.ip-row { display: flex; gap: 8px; align-items: center; }
.ip-row .input { flex: 1; min-width: 0; }
.ip-row .input.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; flex: 0 0 45%; }
.ip-cols > .field { min-width: 0; }
.row-deleted td { opacity: .62; }

/* ---------- Đổi ca ---------- */
.swap-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.swap-arrow { color: var(--color-muted); font-weight: 700; }
.stat-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.stat {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 10px 16px; min-width: 120px;
}
.stat b { display: block; font-size: 20px; color: var(--color-text2); }
.stat span { font-size: 12px; color: var(--color-muted); }

/* ---------- Responsive ---------- */
.hamburger { display: none; background: none; border: 1px solid var(--color-border2); border-radius: 8px; padding: 6px 10px; cursor: pointer; color: var(--color-text2); font-size: 16px; }
@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; }
  .app-main { margin-left: 0; padding: 14px 14px 60px; }
  .hamburger { display: inline-flex; }
  .clock-big { font-size: 32px; }
  .form-row { flex-wrap: wrap; }
  .form-row > * { flex: 1 1 200px; }
}

.muted { color: var(--color-muted); }
.ok-text { color: var(--color-ok); font-size: 12.5px; font-weight: 600; }
.err-text { color: var(--color-err); font-size: 12.5px; font-weight: 600; }
.mt { margin-top: 14px; }
.mb0 { margin-bottom: 0; }
.right { text-align: right; }
.center { text-align: center; }
.hidden { display: none !important; }