/* MERK Establishments — design system on top of Bootstrap 5.3.
   Navy and steel blue from the logo, an amber accent, IBM Plex Sans. */

:root {
  --merk-navy-950: #0c1b33;
  --merk-navy-900: #12284a;
  --merk-navy-800: #1a3863;
  --merk-blue: #1d5bb8;
  --merk-blue-hover: #174a97;
  --merk-blue-50: #eaf1fb;
  --merk-amber: #f0a92e;
  --merk-amber-50: #fdf3df;
  --merk-bg: #f3f5f8;
  --merk-surface: #ffffff;
  --merk-line: #e1e6ee;
  --merk-ink: #14213a;
  --merk-muted: #5b6678; /* 5.8:1 on white */

  --bs-body-font-family: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-color: var(--merk-ink);
  --bs-body-bg: var(--merk-bg);
  --bs-secondary-color: var(--merk-muted);
  --bs-border-color: var(--merk-line);
  --bs-primary: var(--merk-blue);
  --bs-primary-rgb: 29, 91, 184;
  --bs-link-color: var(--merk-blue);
  --bs-link-color-rgb: 29, 91, 184;
  --bs-link-hover-color: var(--merk-blue-hover);
  --bs-border-radius: 0.5rem;
  --bs-border-radius-sm: 0.375rem;
  --bs-border-radius-lg: 0.625rem;
  --bs-focus-ring-color: rgba(29, 91, 184, 0.3);
  color-scheme: light;
}

body { font-size: 0.9375rem; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, .h1, .h2, .h3, .h4, .h5 { font-weight: 600; letter-spacing: -0.01em; color: var(--merk-ink); }
.text-muted, .form-text { color: var(--merk-muted) !important; }
.tabular { font-variant-numeric: tabular-nums; }

:focus-visible { outline: 3px solid var(--merk-amber); outline-offset: 2px; }

.btn { font-weight: 500; border-radius: var(--bs-border-radius); }
.btn-primary {
  --bs-btn-bg: var(--merk-blue); --bs-btn-border-color: var(--merk-blue);
  --bs-btn-hover-bg: var(--merk-blue-hover); --bs-btn-hover-border-color: var(--merk-blue-hover);
  --bs-btn-active-bg: var(--merk-navy-800); --bs-btn-active-border-color: var(--merk-navy-800);
  --bs-btn-disabled-bg: var(--merk-blue); --bs-btn-disabled-border-color: var(--merk-blue);
}
.btn-outline-primary {
  --bs-btn-color: var(--merk-blue); --bs-btn-border-color: #b9cbe8;
  --bs-btn-hover-bg: var(--merk-blue-50); --bs-btn-hover-color: var(--merk-blue-hover); --bs-btn-hover-border-color: #9db6de;
  --bs-btn-active-bg: var(--merk-blue-50); --bs-btn-active-color: var(--merk-blue-hover);
}
.btn-light { --bs-btn-bg: #fff; --bs-btn-border-color: var(--merk-line); --bs-btn-hover-bg: #f6f8fb; --bs-btn-hover-border-color: #ccd5e1; }
.btn-icon { display: inline-flex; align-items: center; gap: 0.4rem; }

.form-control, .form-select { border-color: #cfd7e3; padding: 0.55rem 0.75rem; }
.form-control:focus, .form-select:focus { border-color: var(--merk-blue); box-shadow: 0 0 0 0.2rem rgba(29, 91, 184, 0.18); }
.form-label { font-weight: 500; color: #2b3850; margin-bottom: 0.35rem; }
.form-check-input:checked { background-color: var(--merk-blue); border-color: var(--merk-blue); }
.invalid-feedback, .text-danger { color: #b42318 !important; }

/* ------------------------------------------------ App shell */
.app { min-height: 100vh; }

.app-sidebar {
  --bs-offcanvas-width: 264px;
  --bs-offcanvas-bg: var(--merk-navy-900);
  --bs-offcanvas-color: #d6deeb;
  background: var(--merk-navy-900);
  color: #d6deeb;
}
@media (min-width: 992px) {
  .app-sidebar { position: fixed; inset: 0 auto 0 0; width: 264px; z-index: 1030; }
  .app-main { margin-left: 264px; }
}
/* Bootstrap's .offcanvas-lg forces a transparent background and zero padding
   at the breakpoint (with !important), so these need matching weight. */
.app .app-sidebar { background-color: var(--merk-navy-900) !important; }
.app .app-sidebar .offcanvas-body {
  display: flex; flex-direction: column; gap: 1.25rem;
  flex: 1 1 auto; min-height: 0; padding: 1.25rem 1rem !important; overflow-y: auto !important;
}
@media (min-width: 992px) { .app .app-sidebar .offcanvas-body { height: 100%; } }
/* As a slide-out panel, fill the screen height and scroll inside. */
@media (max-width: 991.98px) {
  .app .app-sidebar { top: 0; bottom: 0; height: 100vh; height: 100dvh; display: flex; flex-direction: column; }
}

.brand { display: flex; align-items: center; gap: 0.75rem; color: #fff; text-decoration: none; padding: 0 0.5rem; }
.brand img { width: 38px; height: 38px; border-radius: 8px; }
.brand-name { display: block; font-weight: 700; letter-spacing: 0.04em; line-height: 1.1; }
.brand-sub { display: block; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: #9fb0c9; }

.nav-group-label { margin: 0 0 0.35rem; padding: 0 0.75rem; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #8da0bd; }
.side-nav { list-style: none; margin: 0; padding: 0; }
.side-nav a {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.55rem 0.75rem; border-radius: 0.45rem;
  color: #d6deeb; text-decoration: none; font-weight: 500;
}
.side-nav a i { width: 1.1rem; text-align: center; color: #8da0bd; }
.side-nav a:hover { background: rgba(255, 255, 255, 0.07); color: #fff; }
.side-nav a[aria-current="page"] { background: var(--merk-navy-800); color: #fff; box-shadow: inset 3px 0 0 var(--merk-amber); }
.side-nav a[aria-current="page"] i { color: var(--merk-amber); }

.side-stats { margin-top: auto; padding: 0.9rem 1rem; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 0.6rem; font-size: 0.85rem; }
.side-stats dl { display: grid; grid-template-columns: 1fr auto; gap: 0.3rem 0.75rem; margin: 0.5rem 0 0; }
.side-stats dt { font-weight: 400; color: #9fb0c9; }
.side-stats dd { margin: 0; font-weight: 600; color: #fff; text-align: right; }
.side-logout { width: 100%; color: #d6deeb; border: 1px solid rgba(255, 255, 255, 0.18); background: transparent; }
.side-logout:hover { color: #fff; background: rgba(255, 255, 255, 0.07); border-color: rgba(255, 255, 255, 0.3); }

.app-topbar {
  position: sticky; top: 0; z-index: 1020;
  display: flex; align-items: center; gap: 0.75rem;
  height: 64px; padding: 0 1.5rem;
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--merk-line);
}
.topbar-brand { display: none; font-weight: 700; color: var(--merk-navy-900); text-decoration: none; letter-spacing: 0.04em; }
@media (max-width: 991.98px) { .topbar-brand { display: inline; } .app-topbar { padding: 0 1rem; } }
.user-chip { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.25rem 0.5rem 0.25rem 0.25rem; border-radius: 999px; border: 1px solid var(--merk-line); background: #fff; color: var(--merk-ink); text-decoration: none; font-weight: 500; }
.user-chip:hover { border-color: #c5d0df; color: var(--merk-ink); }

.avatar { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 32px; height: 32px; border-radius: 50%; object-fit: cover; background: var(--merk-blue-50); color: var(--merk-blue-hover); font-weight: 600; font-size: 0.8rem; }
.avatar-lg { width: 112px; height: 112px; font-size: 2rem; }

.app-content { padding: 1.75rem 1.5rem 3rem; max-width: 1280px; }
@media (max-width: 575.98px) { .app-content { padding: 1.25rem 1rem 2.5rem; } }

.page-header { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.page-header h1 { font-size: 1.6rem; margin: 0; }
.page-header .subtitle { margin: 0.25rem 0 0; color: var(--merk-muted); }

/* ------------------------------------------------ Surfaces */
.panel { background: var(--merk-surface); border: 1px solid var(--merk-line); border-radius: 0.625rem; box-shadow: 0 1px 2px rgba(12, 27, 51, 0.04); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--merk-line); }
.panel-head h2 { font-size: 1rem; margin: 0; }
.panel-body { padding: 1.25rem; }

.kpi { padding: 1.1rem 1.25rem; height: 100%; }
.kpi-label { display: flex; align-items: center; gap: 0.5rem; margin: 0; font-size: 0.8rem; font-weight: 500; color: var(--merk-muted); }
.kpi-label i { color: var(--merk-blue); }
.kpi-value { margin: 0.4rem 0 0; font-size: 1.6rem; font-weight: 600; line-height: 1.15; color: var(--merk-navy-900); font-variant-numeric: tabular-nums; }
.kpi-value small { font-size: 0.85rem; font-weight: 500; color: var(--merk-muted); }
.kpi-note { margin: 0.25rem 0 0; font-size: 0.8rem; color: var(--merk-muted); }
.kpi.is-accent { border-top: 3px solid var(--merk-amber); }

/* ------------------------------------------------ Tables */
.data-table { margin: 0; --bs-table-bg: transparent; --bs-table-hover-bg: #f7f9fc; }
.data-table > :not(caption) > * > * { padding: 0.75rem 1rem; border-bottom-color: var(--merk-line); vertical-align: middle; }
.data-table thead th { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--merk-muted); background: #f8fafc; white-space: nowrap; }
.data-table tbody tr:last-child > * { border-bottom: 0; }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.data-table .sub { display: block; font-size: 0.8rem; color: var(--merk-muted); }
.row-actions { display: flex; justify-content: flex-end; gap: 0.35rem; white-space: nowrap; }

/* On phones, each table row becomes a card; cells carry a data-label. */
@media (max-width: 767.98px) {
  .data-table.stack-sm thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .data-table.stack-sm tbody tr { display: block; padding: 0.85rem 1rem; border-bottom: 1px solid var(--merk-line); }
  .data-table.stack-sm tbody tr:last-child { border-bottom: 0; }
  .data-table.stack-sm > :not(caption) > * > * { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 0.2rem 0; border: 0; text-align: right; }
  .data-table.stack-sm td[data-label]::before { content: attr(data-label); flex: none; font-size: 0.8rem; font-weight: 500; color: var(--merk-muted); text-align: left; }
  .data-table.stack-sm td.cell-title { display: block; text-align: left; font-size: 1rem; padding-bottom: 0.35rem; }
  .data-table.stack-sm td .sub { display: inline; }
  .data-table.stack-sm td .sub::before { content: " · "; }
  .data-table.stack-sm td.cell-actions { justify-content: flex-end; padding-top: 0.5rem; }
}

.pill { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.15rem 0.6rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; background: #eef1f6; color: #39465c; white-space: nowrap; }
.pill-blue { background: var(--merk-blue-50); color: var(--merk-blue-hover); }
.pill-green { background: #e6f4ec; color: #17633a; }
.pill-amber { background: var(--merk-amber-50); color: #7c4d05; }
.pill-red { background: #fdecea; color: #a1261c; }

.empty-state { padding: 3rem 1.5rem; text-align: center; }
.empty-state i { font-size: 1.75rem; color: #9aabc4; }
.empty-state h3 { font-size: 1.05rem; margin: 0.85rem 0 0.35rem; }
.empty-state p { color: var(--merk-muted); margin: 0 0 1.25rem; }

/* ------------------------------------------------ Forms */
.form-panel { max-width: 860px; }
.form-section-title { margin: 0 0 0.25rem; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--merk-muted); }
.form-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; padding-top: 1.25rem; margin-top: 0.5rem; border-top: 1px solid var(--merk-line); }

/* ------------------------------------------------ Alerts */
.alert { border-radius: 0.5rem; border-width: 1px; display: flex; align-items: flex-start; gap: 0.6rem; }
.alert-success { --bs-alert-bg: #ecf7f0; --bs-alert-border-color: #bfe3cc; --bs-alert-color: #14532d; }
.alert-danger { --bs-alert-bg: #fdf0ee; --bs-alert-border-color: #f3c7c1; --bs-alert-color: #7f1d1d; }
.alert-info { --bs-alert-bg: var(--merk-blue-50); --bs-alert-border-color: #c6d7f1; --bs-alert-color: #173c75; }
.alert-warning { --bs-alert-bg: var(--merk-amber-50); --bs-alert-border-color: #f1d9a6; --bs-alert-color: #6b4206; }

/* ------------------------------------------------ Auth screens */
.auth { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); background: var(--merk-surface); }
.auth-aside {
  display: flex; flex-direction: column; justify-content: space-between; gap: 2rem;
  padding: 2.5rem clamp(1.5rem, 4vw, 3.5rem);
  background: var(--merk-navy-900); color: #cdd7e6;
}
.auth-aside h1 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.5rem); max-width: 16ch; }
.auth-aside p { max-width: 30rem; }
.auth-points { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: 0.6rem; }
.auth-points li { display: flex; gap: 0.6rem; align-items: center; }
.auth-points i { color: var(--merk-amber); width: 1.1rem; }
.auth-main { display: flex; align-items: center; justify-content: center; padding: 2.5rem 1.25rem; background: var(--merk-bg); }
.auth-card { width: 100%; max-width: 26rem; padding: 2rem; }
.auth-card h2 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.auth-card .lead-sm { color: var(--merk-muted); margin-bottom: 1.5rem; }
.auth-foot { margin: 1.25rem 0 0; font-size: 0.875rem; text-align: center; color: var(--merk-muted); }
.remember-row > div { margin-bottom: 0 !important; }
.remember-row .form-check { margin-bottom: 0; }
@media (max-width: 991.98px) {
  .auth { grid-template-columns: 1fr; }
  .auth-aside { padding: 1.5rem 1.25rem; }
  .auth-aside .auth-points, .auth-aside .auth-copy { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}