/* =========================================================
   LabPro Design System — "Requisition"
   Grounded in the real vernacular of a pathology lab: specimen
   tube cap colors for category coding, printed requisition
   slips and instrument readouts for typography and card motifs.
   ========================================================= */

:root {
  /* Ink & paper */
  --ink:        #16233A;
  --ink-soft:   #57657A;
  --ink-faint:  #8D99A8;
  --paper:      #F4F5F0;
  --panel:      #FFFFFF;
  --line:       #E1E4DC;
  --line-soft:  #ECEEE7;

  /* Brand */
  --brand:      #1F4E5F;
  --brand-dark: #123642;
  --brand-tint: #E9F0F1;

  /* Specimen tube-cap accents */
  --tube-gold:      #B8862B;
  --tube-lavender:  #7C6BA6;
  --tube-green:     #3F7D5C;
  --tube-sky:       #3E7C93;
  --tube-grey:      #6B7280;

  /* Result flags */
  --flag-high:      #B23A2E;
  --flag-high-bg:   #FBEBE9;
  --flag-low:       #A0620E;
  --flag-low-bg:    #FBF1E2;
  --flag-normal:    #226148;
  --flag-normal-bg: #E7F3ED;

  /* Neutral status */
  --status-bg:    #EEF0EA;
  --status-text:  #4B5768;

  --radius-sm: 5px;
  --radius: 7px;
  --radius-lg: 10px;

  --shadow-xs: 0 1px 2px rgba(22,35,58,0.05);
  --shadow-sm: 0 1px 3px rgba(22,35,58,0.06), 0 1px 2px rgba(22,35,58,0.04);
  --shadow-md: 0 4px 14px rgba(22,35,58,0.08), 0 1px 3px rgba(22,35,58,0.05);
  --shadow-focus: 0 0 0 3.5px rgba(31,78,95,0.14);
}

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  font-size: 14.5px;
  line-height: 1.55;
}

h1, h2, h3, h4, h5, h6, .brand-font {
  font-family: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: 1.25;
}

p { color: var(--ink-soft); }

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }

.mono, .money, code, .txn-id, td.mono {
  font-family: 'IBM Plex Mono', monospace;
  font-variant-numeric: tabular-nums;
}

small, .small { color: var(--ink-soft); }
.text-muted { color: var(--ink-faint) !important; }

/* Subtle scrollbars */
* { scrollbar-width: thin; scrollbar-color: #C7CDC1 transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: #C7CDC1; border-radius: 8px; }
*::-webkit-scrollbar-track { background: transparent; }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* ---------------------------------------------------------
   App shell: fixed ink sidebar + paper content pane
   --------------------------------------------------------- */
.app-shell { display: flex; min-height: 100vh; }

.app-sidebar {
  width: 236px;
  flex-shrink: 0;
  background: var(--ink);
  color: #C9D3DD;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 40;
  box-shadow: 1px 0 0 rgba(255,255,255,0.04) inset;
}

.sidebar-brand {
  padding: 1.4rem 1.3rem 1.15rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand .mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: var(--tube-gold);
  color: var(--ink);
  border-radius: var(--radius-sm);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  margin-right: 0.6rem;
  box-shadow: var(--shadow-xs);
}
.sidebar-brand .name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  color: #fff;
  font-size: 1.03rem;
  letter-spacing: -0.01em;
}
.sidebar-brand .tagline {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: #7C8AA0;
  margin-top: 0.32rem;
  margin-left: 2.4rem;
}

.sidebar-nav { flex: 1; padding: 0.85rem 0.65rem; overflow-y: auto; }
.sidebar-nav .nav-link {
  display: flex; align-items: center; gap: 0.65rem;
  color: #AEB9C7;
  font-size: 0.87rem;
  font-weight: 500;
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.1rem;
  transition: background .12s ease, color .12s ease;
}
.sidebar-nav .nav-link i { font-size: 0.98rem; width: 18px; text-align: center; color: #7C8AA0; }
.sidebar-nav .nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-nav .nav-link.active { background: rgba(184,134,43,0.16); color: #fff; }
.sidebar-nav .nav-link.active i { color: var(--tube-gold); }
.sidebar-nav .nav-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.63rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #5C6A7E;
  padding: 0.9rem 0.7rem 0.35rem;
}

.sidebar-user {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 0.9rem 1.1rem;
  font-size: 0.82rem;
}
.sidebar-user .who { color: #fff; font-weight: 500; font-size: 0.86rem; }
.sidebar-user .role-tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--tube-gold);
  border: 1px solid rgba(184,134,43,0.4);
  border-radius: var(--radius-sm);
  padding: 0.08rem 0.4rem;
  margin-top: 0.32rem;
}
.sidebar-user a.logout { color: #7C8AA0; font-size: 0.78rem; display: inline-flex; align-items: center; gap: 0.35rem; }
.sidebar-user a.logout:hover { color: #fff; }

.app-main { margin-left: 236px; flex: 1; min-width: 0; display: flex; flex-direction: column; }

.app-topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 0.95rem 2rem;
}
.app-topbar .eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.67rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.1rem;
}
.app-topbar .page-title { font-size: 1.2rem; margin: 0; }

.app-content { padding: 1.75rem 2rem 2.75rem; flex: 1; max-width: 1360px; }

/* ---------------------------------------------------------
   Guest shell (login / register) — no sidebar
   --------------------------------------------------------- */
.guest-shell { min-height: 100vh; display: flex; flex-direction: column; background: var(--paper); }
.guest-topbar {
  padding: 1.15rem 2rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.guest-topbar .name { font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 1.05rem; }
.guest-topbar .mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  background: var(--tube-gold); color: var(--ink);
  border-radius: var(--radius-sm); font-weight: 700; font-size: 0.85rem;
  margin-right: 0.5rem;
}
.guest-content { flex: 1; display: flex; align-items: center; justify-content: center; padding: 2.5rem 1rem; }

/* ---------------------------------------------------------
   Cards — "specimen label": subtle elevation, colored edge
   tab, monospace corner tag. Signature motif of the system.
   --------------------------------------------------------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line-soft);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
}
.card-body { padding: 1.25rem; }
.card-footer { background: var(--panel); border-top: 1px solid var(--line-soft); padding: 0.9rem 1.25rem; }
.card.p-3 { padding: 1.25rem !important; }
.card.p-4 { padding: 1.75rem !important; }

.label-card {
  position: relative;
  border-left: 4px solid var(--brand);
  padding-left: calc(1rem - 4px);
}
.label-card.tube-gold     { border-left-color: var(--tube-gold); }
.label-card.tube-lavender { border-left-color: var(--tube-lavender); }
.label-card.tube-green    { border-left-color: var(--tube-green); }
.label-card.tube-sky      { border-left-color: var(--tube-sky); }
.label-card.tube-grey     { border-left-color: var(--tube-grey); }

.spec-id {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--ink-faint);
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* ---------------------------------------------------------
   Buttons
   --------------------------------------------------------- */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.87rem;
  padding: 0.5rem 1rem;
  line-height: 1.35;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background .12s ease, border-color .12s ease, box-shadow .12s ease, transform .06s ease;
}
.btn:active { transform: translateY(0.5px); }
.btn-sm { font-size: 0.79rem; padding: 0.34rem 0.7rem; border-radius: var(--radius-sm); }

.btn-brand {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-xs);
}
.btn-brand:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; box-shadow: var(--shadow-sm); }
.btn-brand:focus { box-shadow: var(--shadow-focus); }

.btn-outline-secondary {
  border-color: var(--line);
  color: var(--ink-soft);
  background: var(--panel);
}
.btn-outline-secondary:hover { background: var(--paper); color: var(--ink); border-color: var(--ink-faint); }

.btn-outline-primary { border-color: var(--brand); color: var(--brand); background: var(--panel); }
.btn-outline-primary:hover { background: var(--brand); border-color: var(--brand); color: #fff; }

.btn-check:checked + .btn, .btn.disabled, .btn:disabled { opacity: .55; box-shadow: none; }

/* ---------------------------------------------------------
   Stat cards — dashboard KPIs
   --------------------------------------------------------- */
.stat-card {
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.3rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.stat-card small {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.stat-card h3 {
  margin: 0.25rem 0 0;
  font-size: 1.65rem;
  font-variant-numeric: tabular-nums;
}
.stat-card.teal  { border-left-color: var(--brand); }
.stat-card.blue  { border-left-color: var(--tube-sky); }
.stat-card.amber { border-left-color: var(--tube-gold); }
.stat-card.rose  { border-left-color: var(--flag-high); }

/* ---------------------------------------------------------
   Badges & flags — override Bootstrap's raw contextual
   colors so status pills stay inside the palette
   --------------------------------------------------------- */
.badge {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  border-radius: 100px;
  padding: 0.32em 0.65em;
}
.badge.bg-secondary { background: var(--status-bg) !important; color: var(--status-text) !important; }
.badge.bg-success   { background: var(--flag-normal-bg) !important; color: var(--flag-normal) !important; }
.badge.bg-danger    { background: var(--flag-high-bg) !important; color: var(--flag-high) !important; }
.badge.bg-warning   { background: var(--flag-low-bg) !important; color: var(--flag-low) !important; }
.badge.bg-info-subtle { background: var(--brand-tint) !important; color: var(--brand-dark) !important; }

.badge-flag-high   { background: var(--flag-high-bg) !important; color: var(--flag-high) !important; }
.badge-flag-low    { background: var(--flag-low-bg) !important; color: var(--flag-low) !important; }
.badge-flag-normal { background: var(--flag-normal-bg) !important; color: var(--flag-normal) !important; }

/* ---------------------------------------------------------
   AI explanation panel
   --------------------------------------------------------- */
.ai-box {
  background: #FBF8F0;
  border: 1px solid #E4D6B0;
  border-left: 4px solid var(--tube-gold);
  border-radius: var(--radius);
  padding: 1.1rem 1.35rem;
}
.ai-box .ai-label {
  font-family: 'IBM Plex Mono', monospace;
  color: #8A6318;
  font-weight: 600;
  font-size: 0.71rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ---------------------------------------------------------
   UPI checkout
   --------------------------------------------------------- */
.upi-qr-box {
  border: 1px dashed var(--ink-faint);
  border-radius: var(--radius);
  padding: 1.75rem;
  background: var(--paper);
}

/* ---------------------------------------------------------
   Facilities
   --------------------------------------------------------- */
.facility-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius);
  background: var(--brand-tint);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--brand);
  flex-shrink: 0;
}

/* ---------------------------------------------------------
   Tables — instrument-readout feel for data
   --------------------------------------------------------- */
.table { margin-bottom: 0; }
.table thead th {
  background: var(--paper);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  font-weight: 500;
  padding: 0.75rem 1rem;
  white-space: nowrap;
}
.table td {
  font-size: 0.87rem;
  vertical-align: middle;
  border-color: var(--line-soft);
  padding: 0.7rem 1rem;
  color: var(--ink);
}
.table tbody tr:hover { background: #FAFAF7; }
.table tfoot th { padding: 0.75rem 1rem; border-top: 1px solid var(--line); }

/* ---------------------------------------------------------
   Forms — the biggest tell of an unpolished UI. Real height,
   real padding, calm focus ring instead of bootstrap default.
   --------------------------------------------------------- */
.form-control, .form-select {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.89rem;
  padding: 0.55rem 0.85rem;
  color: var(--ink);
  background-color: var(--panel);
  transition: border-color .12s ease, box-shadow .12s ease;
}
.form-control::placeholder { color: var(--ink-faint); }
.form-control:focus, .form-select:focus {
  border-color: var(--brand);
  box-shadow: var(--shadow-focus);
}
.form-control:disabled, .form-select:disabled { background: var(--paper); color: var(--ink-faint); }
.form-control-sm, .form-select-sm { padding: 0.4rem 0.65rem; font-size: 0.83rem; border-radius: var(--radius-sm); }
.form-label { font-size: 0.79rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 0.4rem; text-transform: uppercase; letter-spacing: .03em; }
.form-check-input { border-color: var(--ink-faint); }
.form-check-input:checked { background-color: var(--brand); border-color: var(--brand); }
.form-check-input:focus { box-shadow: var(--shadow-focus); }
textarea.form-control { min-height: 90px; }

/* ---------------------------------------------------------
   Alerts
   --------------------------------------------------------- */
.alert { border-radius: var(--radius); border: 1px solid transparent; font-size: 0.87rem; padding: 0.8rem 1.1rem; }
.alert-success { background: var(--flag-normal-bg); border-color: #CFE3D7; color: var(--flag-normal); }
.alert-danger  { background: var(--flag-high-bg); border-color: #E9CFC9; color: var(--flag-high); }
.alert-info    { background: var(--brand-tint); border-color: #CFE0E4; color: var(--brand); }

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.app-footer { background: var(--panel); border-top: 1px solid var(--line); }
.app-footer small { font-family: 'IBM Plex Mono', monospace; font-size: 0.71rem; letter-spacing: .02em; }

/* ---------------------------------------------------------
   Empty states
   --------------------------------------------------------- */
.table td[colspan] {
  padding: 2.5rem 1rem;
  text-align: center;
  color: var(--ink-faint);
  font-size: 0.87rem;
}

/* ---------------------------------------------------------
   Mobile
   --------------------------------------------------------- */
@media (max-width: 900px) {
  .app-sidebar { transform: translateX(-100%); transition: transform .18s ease; }
  .app-sidebar.open { transform: translateX(0); }
  .app-main { margin-left: 0; }
  .sidebar-toggle { display: inline-flex !important; }
  .app-topbar, .app-content { padding-left: 1.1rem; padding-right: 1.1rem; }
}
.sidebar-toggle { display: none; }