:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-synthesis: none;
  --page: #f5f7fb;
  --surface: #fff;
  --surface-hover: #f8fbfe;
  --surface-soft: #f2f6fc;
  --surface-selected: #eaf2ff;
  --surface-note: #f6f9ff;
  --border: #e1e8f1;
  --border-soft: #e9eef5;
  --border-strong: #d2daea;
  --focus-border: #226acc;
  --focus-ring: #9cc4ff;
  --text: #17253a;
  --text-strong: #14253c;
  --text-subtle: #34445b;
  --text-muted: #66758a;
  --text-nav: #485c73;
  --text-label: #4d6180;
  --link: #1364c3;
  --accent: #165fbd;
  --accent-contrast: #fff;
  --accent-active: #155ab1;
  --pill-bg: #f0f5fb;
  --pill-text: #54708e;
  --badge-bg: #f0f3fa;
  --badge-text: #526475;
  --danger-border: #efccd0;
  --danger-text: #b22a36;
  --error-text: #bc243c;
  --success-text: #147146;
  --status-pending-bg: #fff3db;
  --status-pending-text: #9a6000;
  --status-progress-bg: #eaf0ff;
  --status-progress-text: #345cbe;
  --status-completed-bg: #e5f8eb;
  --status-completed-text: #18733f;
  --status-rejected-bg: #ffe8e8;
  --status-rejected-text: #b53232;
  --shadow-card: 0 2px 12px #29496c08;
  --shadow-login: 0 16px 54px #1a37621c;
  --shadow-toast: 0 4px 14px #0002;
  background: var(--page);
  color: var(--text);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #101827;
  --surface: #1b283b;
  --surface-hover: #263750;
  --surface-soft: #26374d;
  --surface-selected: #234367;
  --surface-note: #203754;
  --border: #354861;
  --border-soft: #32435a;
  --border-strong: #4b607c;
  --focus-border: #8cbdff;
  --focus-ring: #508bd2;
  --text: #e6edf8;
  --text-strong: #f5f8ff;
  --text-subtle: #d4dff0;
  --text-muted: #b1c2d8;
  --text-nav: #ccdaed;
  --text-label: #c4d2e7;
  --link: #96c2ff;
  --accent: #3276d0;
  --accent-contrast: #fff;
  --accent-active: #c0dcff;
  --pill-bg: #2b405b;
  --pill-text: #d0dff2;
  --badge-bg: #30435d;
  --badge-text: #d8e5f5;
  --danger-border: #90515e;
  --danger-text: #ffb8c2;
  --error-text: #ffb0bf;
  --success-text: #8ce7b4;
  --status-pending-bg: #4c3920;
  --status-pending-text: #ffdb91;
  --status-progress-bg: #293e6b;
  --status-progress-text: #b4cbff;
  --status-completed-bg: #1d493b;
  --status-completed-text: #99e9ba;
  --status-rejected-bg: #522c39;
  --status-rejected-text: #ffc0c9;
  --shadow-card: 0 2px 16px #0000002b;
  --shadow-login: 0 16px 54px #00000055;
  --shadow-toast: 0 4px 14px #0007;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { opacity: .55; cursor: not-allowed; }
a { color: var(--link); }
h1, h2, h3, p { margin-top: 0; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.05rem; }
label { display: block; font-weight: 600; font-size: .9rem; color: var(--text-subtle); }
input, select, textarea {
  width: 100%;
  display: block;
  margin-top: 7px;
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  background: var(--surface);
  padding: 11px 12px;
  color: var(--text-strong);
  outline: none;
  min-height: 42px;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 1; }
input:focus, select:focus, textarea:focus, button:focus-visible {
  border-color: var(--focus-border);
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}
textarea { resize: vertical; min-height: 100px; }
input[type=file] { padding: 10px; }
small, .fine { font-size: .8rem; }
button {
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  padding: 10px 16px;
  background: var(--surface);
  color: var(--text-subtle);
  font-weight: 600;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }
button.danger { border-color: var(--danger-border); color: var(--danger-text); }
button:hover:not(:disabled) { filter: brightness(.96); }
:root[data-theme="dark"] button:hover:not(:disabled) { filter: brightness(1.12); }
button.linkish { background: transparent; border: 0; color: var(--link); padding: 6px; text-align: left; }
.muted { color: var(--text-muted); }
.error { color: var(--error-text); min-height: 1.4em; }
.success { color: var(--success-text); }

.brand-mark {
  display: grid;
  place-items: center;
  background: #185db7;
  color: #fff;
  border-radius: 12px;
  width: 46px;
  height: 46px;
  font-size: 1.5rem;
  font-weight: 800;
}
.brand-mark.small { width: 33px; height: 33px; font-size: 1.1rem; border-radius: 8px; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 70px 20px 20px; position: relative; }
.login-theme-switch { position: absolute; top: 20px; right: 22px; }
.login-card {
  background: var(--surface);
  width: min(430px, 100%);
  padding: 34px;
  border-radius: 18px;
  box-shadow: var(--shadow-login);
  border: 1px solid var(--border);
}
.login-card h1 { margin: 20px 0 8px; }
.login-card label { margin: 22px 0; }
.login-card button.primary { width: 100%; }
.login-card .fine { margin: 22px 0 0; }
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: .83rem;
  line-height: 1.2;
}
.theme-toggle:hover { background: var(--surface-hover); }
.workspace { min-height: 100vh; display: flex; }
.workspace[hidden], .login-wrap[hidden], [hidden] { display: none !important; }
.sidebar {
  width: 252px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 14px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar-header { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; margin: 0 10px 22px; }
.account-label {
  font-size: .81rem;
  line-height: 1.5;
  padding: 12px;
  margin-bottom: 22px;
  color: var(--text-label);
  background: var(--surface-soft);
  border-radius: 8px;
  overflow-wrap: anywhere;
}
.sidebar nav { display: grid; gap: 6px; }
.sidebar nav button {
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: 9px;
  color: var(--text-nav);
  padding: 13px;
}
.sidebar nav button.active { background: var(--surface-selected); color: var(--accent-active); }
.sidebar .logout { margin-top: auto; }
.main-column { min-width: 0; flex: 1; }
.topbar {
  min-height: 73px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 12px 30px;
  font-weight: 700;
}
.topbar-actions { display: flex; gap: 12px; align-items: center; }
#user-pill { font-size: .8rem; font-weight: 600; color: var(--pill-text); background: var(--pill-bg); padding: 7px 10px; border-radius: 16px; white-space: nowrap; }
.content { max-width: 1170px; margin: auto; padding: 28px 30px 56px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-card);
}
.card-head, .row-actions, .toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: space-between;
}
.card-head h2, .card-head h3 { margin-bottom: 0; }
.toolbar { margin-bottom: 18px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; align-items: center; margin-top: 22px; flex-wrap: wrap; }
.table-scroll { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .91rem; white-space: nowrap; }
th, td { text-align: left; padding: 13px 12px; border-bottom: 1px solid var(--border-soft); }
th { font-size: .82rem; color: var(--text-muted); font-weight: 700; }
td:last-child { text-align: right; }
tbody tr:hover { background: var(--surface-hover); }
.badge {
  display: inline-block;
  border-radius: 20px;
  padding: 5px 10px;
  font-size: .78rem;
  font-weight: 650;
  background: var(--badge-bg);
  color: var(--badge-text);
}
.badge.pending { background: var(--status-pending-bg); color: var(--status-pending-text); }
.badge.in_progress { background: var(--status-progress-bg); color: var(--status-progress-text); }
.badge.completed { background: var(--status-completed-bg); color: var(--status-completed-text); }
.badge.rejected { background: var(--status-rejected-bg); color: var(--status-rejected-text); }
.kpi { font-size: 1.8rem; font-weight: 750; margin: 8px 0 0; }
.note { border-left: 3px solid var(--accent); padding: 9px 14px; margin: 12px 0; background: var(--surface-note); }
.comment { padding: 14px 0; border-bottom: 1px solid var(--border-soft); white-space: pre-wrap; overflow-wrap: anywhere; }
.comment small { display: block; color: var(--text-muted); margin-bottom: 6px; }
.toast { position: fixed; right: 20px; bottom: 20px; background: #152c4c; color: #fff; padding: 14px 18px; border-radius: 10px; box-shadow: var(--shadow-toast); z-index: 20; }

@media (max-width: 850px) {
  .sidebar { width: 205px; }
  .content { padding: 20px; }
  .grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .workspace { display: block; }
  .sidebar { width: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 12px; }
  .sidebar-header { margin: 0 8px 10px; }
  .account-label { display: none; }
  .sidebar nav { display: flex; overflow-x: auto; gap: 5px; }
  .sidebar nav button { white-space: nowrap; padding: 9px 12px; font-size: .85rem; }
  .sidebar .logout { position: absolute; right: 12px; top: 13px; padding: 7px 11px; font-size: .8rem; }
  .topbar { min-height: 60px; padding: 10px 18px; }
  .topbar-actions { gap: 8px; }
  .theme-toggle { padding: 8px 10px; }
  #user-pill { font-size: .7rem; }
  .content { padding: 16px; }
  .grid, .grid.three { grid-template-columns: 1fr; }
  .card { padding: 16px; }
  .toolbar { align-items: stretch; }
}
@media (max-width: 380px) {
  #user-pill { display: none; }
  .topbar { gap: 5px; }
}