:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #f8fafb;
  --row-hover: #fafcfc;
  --btn-hover: #f2f5f7;
  --input-bg: #ffffff;
  --border: #e3e8ec;
  --border-strong: #cdd5dc;
  --text: #1c2730;
  --text-2: #3a4752;
  --muted: #66737f;
  --primary: #0f6b5c;
  --primary-2: #0b5549;
  --primary-soft: #e3f2ef;
  --link: #0f6b5c;
  --focus: #0f6b5c;
  --focus-ring: rgba(15, 107, 92, .25);
  --danger: #c2372f;
  --danger-soft: #fbe9e7;
  --danger-border: #f0c5c1;
  --danger-text: #7d221c;
  --warn: #a86400;
  --warn-soft: #fff3df;
  --warn-text: #6d4300;
  --ok: #1f7a3b;
  --ok-soft: #e5f4ea;
  --ok-text: #145228;
  --info-soft: #e8eefb;
  --info-text: #2f4a8a;
  --info-text-2: #2a3f6e;
  --grey-soft: #eef1f3;
  --grey-text: #55616c;
  --pur-soft: #f1e8fb;
  --pur-text: #6a3a9c;
  --off-soft: #eceff1;
  --off-text: #78838c;
  --sun: #f1f3f5;
  --sidebar: #12302b;
  --sidebar-text: #cfe2de;
  --overlay: rgba(10, 20, 25, .45);
  --toast-bg: #1d2a33;
  --login-from: #12302b;
  --login-to: #0f6b5c;
  --preview-bg: #e9edf0;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 32, .06), 0 2px 8px rgba(16, 24, 32, .04);
}
@media screen and (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0e1418;
    --surface: #172026;
    --surface-2: #1c262d;
    --row-hover: #1e2a31;
    --btn-hover: #24313a;
    --input-bg: #111a1f;
    --border: #2a3640;
    --border-strong: #3a4954;
    --text: #e3e9ed;
    --text-2: #c4cfd7;
    --muted: #92a0ab;
    --primary: #12806e;
    --primary-2: #0f6b5c;
    --primary-soft: #16332e;
    --link: #5cc8b3;
    --focus: #5cc8b3;
    --focus-ring: rgba(92, 200, 179, .3);
    --danger: #d8564e;
    --danger-soft: #3a1d1b;
    --danger-border: #6b3430;
    --danger-text: #f3b3ae;
    --warn: #e0a040;
    --warn-soft: #3a2c12;
    --warn-text: #f0cf92;
    --ok: #4fbf72;
    --ok-soft: #16301f;
    --ok-text: #a6e3b9;
    --info-soft: #1d2a47;
    --info-text: #a9bff0;
    --info-text-2: #bccbf2;
    --grey-soft: #263039;
    --grey-text: #a9b5bf;
    --pur-soft: #2c2140;
    --pur-text: #cdb0ef;
    --off-soft: #232d34;
    --off-text: #8997a2;
    --sun: #1f2a31;
    --sidebar: #0b1f1c;
    --sidebar-text: #bcd3ce;
    --overlay: rgba(0, 0, 0, .65);
    --toast-bg: #2c3943;
    --login-from: #0a1a17;
    --login-to: #0c4a40;
    --preview-bg: #0b1114;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 2px 8px rgba(0, 0, 0, .3);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  font-size: 14px; color: var(--text); background: var(--bg);
  -webkit-text-size-adjust: 100%;
}
a { color: var(--link); }
h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.25; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 1rem; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.center { text-align: center; }
.hidden { display: none !important; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.row.between { justify-content: space-between; }
.grow { flex: 1; }
.stack > * + * { margin-top: 16px; }

/* ---------- Fokus & aksesibilitas ---------- */
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.sidebar :focus-visible, .topbar :focus-visible { outline-color: #8fe0cf; }
table.abs td.c:focus-visible, table.t td:focus-visible, table.t th:focus-visible { outline-offset: -2px; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline-offset: 0; }

/* ---------- Spinner & loading ---------- */
.spinner {
  display: inline-block; width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid var(--border-strong); border-top-color: var(--primary);
  animation: spin .8s linear infinite; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 48px 20px; color: var(--muted); }
.loading.err { flex-direction: column; min-height: 60vh; }
.loading.err .alert { max-width: 460px; }

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 236px; background: var(--sidebar); color: var(--sidebar-text);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; flex-shrink: 0;
}
.brand { padding: 18px 18px 14px; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand b { display: block; color: #fff; font-size: 15px; letter-spacing: .3px; }
.brand span { font-size: 11.5px; opacity: .75; }
.nav { padding: 10px 8px; overflow-y: auto; flex: 1; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; margin: 2px 0;
  color: var(--sidebar-text); text-decoration: none; border-radius: 8px; font-size: 13.5px;
}
.nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav a.active { background: rgba(255,255,255,.12); color: #fff; font-weight: 600; }
.nav .ico { width: 18px; height: 18px; display: inline-flex; opacity: .9; flex-shrink: 0; }
.nav .ico-svg { display: block; }
.nav .sep { font-size: 10.5px; text-transform: uppercase; letter-spacing: .8px; opacity: .5; padding: 14px 12px 4px; }
.sidebar-foot { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; }
.sidebar-foot .foot-mail { overflow-wrap: anywhere; }
.sidebar-foot .foot-role { opacity: .7; }
.sidebar-foot button { margin-top: 8px; width: 100%; justify-content: center; }
.sidebar-foot button, .topbar button { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.sidebar-foot button:hover { background: rgba(255,255,255,.12); }
.backdrop { display: none; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: none; align-items: center; gap: 10px; padding: 10px 16px; background: var(--sidebar); color: #fff;
  position: sticky; top: 0; z-index: 20;
}
.topbar button { background: transparent; border: 0; color: #fff; padding: 4px 6px; cursor: pointer; }
.topbar button:hover { background: rgba(255,255,255,.12); }
.content { padding: 22px 26px 40px; max-width: 1400px; width: 100%; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head p { margin: 2px 0 0; color: var(--muted); }
.mode-badge { font-size: 11px; padding: 2px 8px; border-radius: 99px; background: var(--warn-soft); color: var(--warn); display: inline-block; margin-top: 6px; }

/* ---------- Cards ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.card > h2, .card > h3 { margin-bottom: 12px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.card-head h2, .card-head h3 { margin: 0; }
.grid { display: grid; gap: 14px; }
.grid.k4 { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.grid.k2 { grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr)); }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat .lbl { color: var(--muted); font-size: 12px; }
.stat .val { font-size: 22px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
table.t { border-collapse: collapse; width: 100%; font-size: 13px; }
table.t th, table.t td { padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.t thead th { background: var(--surface-2); text-align: left; font-weight: 600; color: var(--text-2); position: sticky; top: 0; z-index: 1; white-space: nowrap; }
table.t tbody tr:hover { background: var(--row-hover); }
table.t tfoot td, table.t tr.total td { font-weight: 700; background: var(--surface-2); }
table.t td.actions { white-space: nowrap; text-align: right; }
table.t.compact th, table.t.compact td { padding: 5px 7px; }
table.t input.cell { width: 76px; padding: 5px 6px; text-align: right; }
table.t.compact thead th { white-space: normal; min-width: 70px; vertical-align: bottom; }
table.t td.who { min-width: 180px; }
table.t .avail { font-size: 11px; color: var(--muted); text-align: right; margin-top: 2px; }
table.t .avail.neg { color: var(--danger); }
table.t .sub-row td { font-size: 12px; color: var(--muted); }
.neg { color: var(--danger); }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.log-box {
  font-family: Consolas, "Courier New", monospace; font-size: 12px; line-height: 1.45;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px;
  max-height: 320px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0;
}
.logo-preview { height: 60px; width: auto; max-width: 100%; object-fit: contain; }

/* ---------- Forms ---------- */
label.f { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--text-2); font-weight: 500; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(210px, 100%), 1fr)); gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--input-bg); border: 1px solid var(--border-strong); border-radius: 7px; padding: 7px 9px; min-width: 0;
}
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .8; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--focus-ring); border-color: var(--primary); }
input:disabled, select:disabled, textarea:disabled { opacity: .6; }
textarea { min-height: 70px; resize: vertical; }
button, .btn {
  font: inherit; cursor: pointer; border-radius: 7px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  padding: 7px 13px; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; white-space: nowrap;
}
button:hover, .btn:hover { background: var(--btn-hover); }
button.primary, .btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover, .btn.primary:hover { background: var(--primary-2); }
button.danger { color: var(--danger); border-color: var(--danger-border); }
button.danger:hover { background: var(--danger-soft); }
button.sm { padding: 4px 9px; font-size: 12.5px; }
button.link { border: 0; background: none; color: var(--link); padding: 2px 4px; }
button.link:hover { background: none; text-decoration: underline; }
button:disabled { opacity: .55; cursor: not-allowed; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 9px 14px; color: var(--muted); }
.tabs button:hover { background: var(--btn-hover); }
.tabs button.active { color: var(--link); border-bottom-color: var(--primary); font-weight: 600; }

.badge { display: inline-block; font-size: 11.5px; padding: 2px 8px; border-radius: 99px; background: var(--info-soft); color: var(--info-text); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.grey { background: var(--grey-soft); color: var(--grey-text); }

.alert { padding: 10px 14px; border-radius: 8px; background: var(--info-soft); color: var(--info-text-2); font-size: 13px; }
.alert.warn { background: var(--warn-soft); color: var(--warn-text); }
.alert.danger { background: var(--danger-soft); color: var(--danger-text); }
.alert.ok { background: var(--ok-soft); color: var(--ok-text); }

/* ---------- Modal & toast ---------- */
.modal-bg { position: fixed; inset: 0; background: var(--overlay); display: flex; align-items: flex-start; justify-content: center; z-index: 100; padding: 40px 14px; overflow-y: auto; }
.modal { background: var(--surface); color: var(--text); border-radius: 12px; width: 100%; max-width: 640px; box-shadow: 0 10px 40px rgba(0,0,0,.25); outline: none; }
.modal.wide { max-width: 980px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; }
.modal-body { padding: 16px 18px; }
.modal-foot { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; background: var(--surface); border-radius: 0 0 12px 12px; }
.x { border: 0; background: none; font-size: 22px; line-height: 1; padding: 0 6px; color: var(--muted); }
#toast { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--toast-bg); color: #fff; padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 360px; font-size: 13px; }
.toast.err { background: var(--danger); }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: linear-gradient(160deg, var(--login-from), var(--login-to)); }
.login { background: var(--surface); color: var(--text); border-radius: 14px; padding: 28px; width: 100%; max-width: 380px; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
.login h1 { font-size: 1.2rem; }
.login form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }

/* ---------- Absensi grid ---------- */
table.abs th, table.abs td { padding: 4px 3px; text-align: center; font-size: 12px; min-width: 26px; }
table.abs td.nm, table.abs th.nm { text-align: left; min-width: 170px; padding-left: 8px; position: sticky; left: 0; background: var(--surface); z-index: 2; }
table.abs thead th.nm { background: var(--surface-2); z-index: 3; }
table.abs td.c { cursor: pointer; user-select: none; font-weight: 600; }
table.abs td.c:hover { outline: 2px solid var(--primary); outline-offset: -2px; }
table.abs .sun { background: var(--sun); }
.k-hadir { color: var(--ok); } .k-i { background: var(--info-soft); color: var(--info-text); } .k-s { background: var(--warn-soft); color: var(--warn); }
.k-c { background: var(--pur-soft); color: var(--pur-text); } .k-L { background: var(--ok-soft); color: var(--ok); } .k-off { background: var(--off-soft); color: var(--off-text); }
.brush { display: flex; gap: 6px; flex-wrap: wrap; }
.brush button.active { outline: 2px solid var(--primary); }

/* ---------- Letter preview (selalu kertas putih) ---------- */
.letter-preview { background: var(--preview-bg); padding: 12px; border-radius: 8px; overflow: auto; max-height: 72vh; }
.paper { background: #fff; width: 210mm; min-height: 297mm; margin: 0 auto; padding: 20mm 22mm; box-shadow: 0 2px 10px rgba(0,0,0,.15); font-family: "Times New Roman", serif; font-size: 12pt; line-height: 1.5; color: #000; color-scheme: light; }
.paper * { color: inherit; }
.paper a { color: #000; }

/* ---------- Responsif ---------- */
@media (max-width: 900px) {
  .sidebar { position: fixed; left: -260px; z-index: 50; transition: left .2s; }
  .sidebar.open { left: 0; box-shadow: 0 0 40px rgba(0,0,0,.4); }
  .backdrop { display: block; position: fixed; inset: 0; background: var(--overlay); z-index: 40; opacity: 0; pointer-events: none; transition: opacity .2s; }
  .backdrop.show { opacity: 1; pointer-events: auto; }
  .topbar { display: flex; }
  .content { padding: 16px; }
  .grid.k2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .content { padding: 12px 12px 32px; }
  .page-head { flex-direction: column; align-items: stretch; gap: 8px; }
  .page-head .row, .row, .card-head { flex-wrap: wrap; }
  .page-head .row > button, .page-head .row > .btn { flex: 1 1 auto; justify-content: center; }
  button, .btn { white-space: normal; }
  input, select, textarea, table.t input.cell { font-size: 16px; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .grid.k4 { grid-template-columns: repeat(2, 1fr); }
  .stat .val { font-size: 18px; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tabs button { white-space: nowrap; }
  .paper { width: 100%; min-height: 0; padding: 14px; }
  .modal-bg { padding: 0; align-items: stretch; }
  .modal { max-width: none; min-height: 100%; border-radius: 0; display: flex; flex-direction: column; }
  .modal.wide { max-width: none; }
  .modal-head { position: sticky; top: 0; background: var(--surface); z-index: 2; }
  .modal-body { flex: 1; padding: 14px; }
  .modal-foot { position: sticky; bottom: 0; border-radius: 0; padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px)); z-index: 2; }
  .modal-foot button { flex: 1 1 auto; justify-content: center; }
  #toast { left: 0; right: 0; bottom: 0; padding: 10px; padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px)); }
  .toast { max-width: none; width: 100%; }
  .login { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; scroll-behavior: auto !important; }
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .spinner { animation: spin 2.4s linear infinite !important; }
}
@media print {
  .sidebar, .topbar, .backdrop, .no-print, .tabs, button, #toast { display: none !important; }
  .content { padding: 0; max-width: none; }
  .card { box-shadow: none; border: 0; padding: 0; }
  body { background: #fff; color: #000; }
  .paper { box-shadow: none; margin: 0; }
}