/* ============================================================
   Water ERP — Operational Refinement
   Editorial typography on warm paper, deep ink, single cobalt accent.
   ============================================================ */

/* --- Fonts (Google Fonts) --- */
@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT@9..144,300..700,0..100&family=Geist:wght@100..900&family=Geist+Mono:wght@100..900&display=swap");

/* --- Design tokens --- */
:root {
  --paper:       #f6f3ec;
  --surface:     #ffffff;
  --surface-2:   #fbf9f4;
  --ink:         #0c0c0c;
  --ink-2:       #2a2926;
  --ink-3:       #6b6961;
  --ink-4:       #a09e96;
  --line:        #e3dfd6;
  --line-2:      #ece8df;

  --accent:      #2540f0;
  --accent-ink:  #0c1c8a;
  --accent-soft: #e9ecff;

  --success:     #11733a;
  --success-bg:  #e6f3ea;
  --warning:     #8a5a00;
  --warning-bg:  #fbecca;
  --danger:      #b1341d;
  --danger-bg:   #fbe8e2;
  --info:        #1f6b8c;
  --info-bg:     #dff0f5;

  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;  --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px;  --space-8: 64px;

  --r-1: 6px; --r-2: 10px; --r-3: 14px; --r-4: 20px;

  --display: "Fraunces", ui-serif, Georgia, serif;
  --sans:    "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono:    "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --sidebar-w: 232px;
  --topbar-h:  56px;

  --shadow-1: 0 1px 0 rgba(12,12,12,.04), 0 1px 2px rgba(12,12,12,.04);
  --shadow-2: 0 1px 2px rgba(12,12,12,.06), 0 4px 16px rgba(12,12,12,.05);
  --shadow-3: 0 2px 4px rgba(12,12,12,.06), 0 12px 32px rgba(12,12,12,.10);
}

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-feature-settings: "ss01", "cv01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
}

body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(37,64,240,0.025), transparent 30%),
    radial-gradient(circle at 88% 92%, rgba(177,52,29,0.020), transparent 30%);
  pointer-events: none;
  z-index: 0;
}

h1, .h1 { font-family: var(--display); font-weight: 460; font-style: italic; letter-spacing: -0.022em; color: var(--ink); font-variation-settings: "opsz" 144, "SOFT" 50; }
h2, .h2, h3, .h3 { font-family: var(--display); font-weight: 500; letter-spacing: -0.018em; color: var(--ink); }
h4, .h4, h5, .h5, h6, .h6 { font-family: var(--sans); font-weight: 600; letter-spacing: -0.005em; color: var(--ink); }

h1, .h1 { font-size: clamp(28px, 3.4vw, 40px); }
h2, .h2 { font-size: clamp(22px, 2.6vw, 30px); }
h3, .h3 { font-size: clamp(18px, 2.0vw, 22px); }

.eyebrow {
  font-family: var(--sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3);
}

/* --- Top bar --- */
.app-topbar {
  position: sticky; top: 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center;
  padding: 0 var(--space-5);
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
}
.app-brand {
  font-family: var(--display);
  font-weight: 500; font-style: italic;
  font-size: 20px; color: var(--ink);
  text-decoration: none; letter-spacing: -0.02em;
  display: inline-flex; align-items: center;
}
.app-brand .brand-mark {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent);
  margin-right: 10px; border-radius: 2px;
}
.app-topbar-right {
  margin-left: auto;
  display: flex; align-items: center; gap: var(--space-3);
  font-size: 13px; color: var(--ink-3);
}
.role-pill {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 4px 9px;
  border-radius: 999px;
}

.tenant-switcher select {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 5px 10px;
  border-radius: var(--r-1);
}

.app-signout {
  font-size: 12px; font-weight: 500;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: var(--r-1);
  text-decoration: none;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.app-signout:hover { color: var(--ink); border-color: var(--ink-3); background: var(--surface); }

/* --- Layout shell --- */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: calc(100vh - var(--topbar-h));
  position: relative;
  z-index: 1;
}

/* --- Sidebar --- */
.app-sidebar {
  background: transparent;
  border-right: 1px solid var(--line);
  padding: var(--space-5) var(--space-3);
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
}
.app-sidebar::-webkit-scrollbar { width: 6px; }
.app-sidebar::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }

.app-sidebar .nav-section {
  font-family: var(--sans);
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-4);
  padding: var(--space-4) var(--space-3) var(--space-2);
  margin-top: var(--space-3);
}
.app-sidebar .nav-section:first-child { margin-top: 0; padding-top: 0; }
.app-sidebar .nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px; margin-bottom: 1px;
  border-radius: var(--r-1);
  color: var(--ink-2);
  font-size: 13.5px; font-weight: 450;
  text-decoration: none;
  letter-spacing: -0.005em;
  transition: background 120ms ease, color 120ms ease;
}
.app-sidebar .nav-link:hover {
  background: var(--surface); color: var(--ink);
}
.app-sidebar .nav-link.active {
  background: var(--ink); color: #fff;
}
.app-sidebar .nav-icon {
  width: 16px; height: 16px;
  flex: 0 0 16px;
  opacity: 0.7;
  stroke-width: 1.6;
}
.app-sidebar .nav-link.active .nav-icon { opacity: 1; }

/* --- Main content --- */
.app-main {
  padding: var(--space-6) var(--space-7);
  max-width: 1480px;
}
.app-main > h1:first-child,
.app-main > .page-header:first-child { margin-top: 0; }

.page-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--line);
}
.page-header h1 { margin: 0; }
.page-header-actions { display: flex; gap: var(--space-2); }

/* --- Cards --- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  box-shadow: var(--shadow-1);
}
.card-body { padding: var(--space-5); }
.card.border-warning { border-color: rgba(138,90,0,0.4); }

.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  padding: var(--space-5);
  position: relative; overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.stat-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
  border-color: #d6d1c5;
}
.stat-card .stat-label {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-3);
}
.stat-card .stat-value {
  font-family: var(--display);
  font-weight: 460; font-style: italic;
  font-size: clamp(28px, 3vw, 38px);
  color: var(--ink);
  margin-top: var(--space-2);
  letter-spacing: -0.02em;
}
.stat-card .stat-value.text-warning { color: var(--warning); }
.stat-card .stat-value.text-success { color: var(--success); }
.stat-card .stat-value.text-danger  { color: var(--danger); }

/* --- Tables --- */
.table {
  --bs-table-bg: transparent;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  overflow: hidden;
  margin-bottom: var(--space-5);
  border-collapse: separate; border-spacing: 0;
}
.table thead th {
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--ink-3);
  padding: 10px 14px;
  text-align: left;
}
.table tbody td {
  padding: 12px 14px;
  border-top: 1px solid var(--line-2);
  font-size: 13.5px;
  color: var(--ink);
  vertical-align: middle;
}
.table tbody tr:first-child td { border-top: none; }
.table tbody tr:hover td { background: var(--surface-2); }
.table.table-striped tbody tr:nth-child(odd) td { background: transparent; }
.table.table-striped tbody tr:nth-child(even) td { background: var(--surface-2); }
.table.table-striped tbody tr:hover td { background: rgba(37,64,240,0.04); }

.table .text-muted { color: var(--ink-3) !important; }
.table tbody td a { color: var(--ink); text-decoration: none; border-bottom: 1px solid transparent; }
.table tbody td a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.num, .table .text-end {
  font-family: var(--mono);
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
}

/* --- Badges --- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px;
  font-family: var(--sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid transparent;
}
.badge.bg-success { background: var(--success-bg) !important; color: var(--success) !important; border-color: rgba(17,115,58,0.18); }
.badge.bg-warning { background: var(--warning-bg) !important; color: var(--warning) !important; border-color: rgba(138,90,0,0.20); }
.badge.bg-danger  { background: var(--danger-bg) !important;  color: var(--danger) !important;  border-color: rgba(177,52,29,0.18); }
.badge.bg-info    { background: var(--info-bg) !important;    color: var(--info) !important;    border-color: rgba(31,107,140,0.18); }
.badge.bg-secondary { background: var(--paper) !important; color: var(--ink-2) !important; border-color: var(--line); }
.badge::before {
  content: ""; width: 5px; height: 5px;
  border-radius: 50%; background: currentColor; opacity: 0.85;
}
.badge.bg-secondary::before { display: none; }

/* --- Buttons --- */
.btn {
  font-family: var(--sans);
  font-weight: 500; font-size: 13px;
  letter-spacing: -0.005em;
  padding: 7px 14px;
  border-radius: var(--r-1);
  border: 1px solid transparent;
  transition: transform 120ms ease, background 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ink); border-color: var(--ink); color: #fff;
}
.btn-primary:hover, .btn-primary:focus { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 0 0 3px var(--accent-soft); }
.btn-outline-primary {
  color: var(--ink); border-color: var(--line); background: var(--surface);
}
.btn-outline-primary:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.btn-outline-secondary {
  color: var(--ink-2); border-color: var(--line); background: var(--surface);
}
.btn-outline-secondary:hover { color: var(--ink); border-color: var(--ink-3); background: var(--surface-2); }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-outline-danger { color: var(--danger); border-color: rgba(177,52,29,0.32); background: var(--surface); }
.btn-outline-danger:hover { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-link { padding: 0; text-decoration: none; border: none; }
.btn-link:hover { color: var(--accent); }

/* --- Forms --- */
.form-control, .form-select {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-1);
  padding: 7px 11px;
  transition: border-color 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}
.form-control::placeholder { color: var(--ink-4); }
.form-control[readonly], .form-control:disabled, .bg-light {
  background: var(--surface-2) !important;
  color: var(--ink-2);
}
.form-label {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 4px;
}
.form-control-sm, .form-select-sm { font-size: 12.5px; padding: 5px 9px; }
.form-check-input { border-color: var(--line-2); }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.form-check-label { font-size: 13.5px; color: var(--ink-2); }

/* --- Alerts --- */
.alert {
  font-size: 13px;
  border-radius: var(--r-2);
  border: 1px solid transparent;
  padding: 10px 14px;
}
.alert-info    { background: var(--info-bg);    color: var(--info);    border-color: rgba(31,107,140,0.18); }
.alert-success { background: var(--success-bg); color: var(--success); border-color: rgba(17,115,58,0.18); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-color: rgba(138,90,0,0.20); }
.alert-danger  { background: var(--danger-bg);  color: var(--danger);  border-color: rgba(177,52,29,0.18); }

/* --- Definition lists (detail pages) --- */
dl.row dt {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3);
}
dl.row dd { color: var(--ink); font-size: 14px; margin-bottom: 10px; }

/* --- Auth layout --- */
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 480px;
  background: var(--paper);
}
.auth-aside {
  background: var(--ink);
  color: #f5f1e8;
  position: relative;
  padding: var(--space-7);
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
}
.auth-aside::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(37,64,240,0.30), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,0.06), transparent 60%);
  pointer-events: none;
}
.auth-aside-body { position: relative; z-index: 1; max-width: 540px; }
.auth-aside .auth-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: rgba(245,241,232,0.55);
}
.auth-aside h1 {
  font-family: var(--display);
  font-style: italic; font-weight: 380;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.05;
  margin: var(--space-4) 0 var(--space-5);
  color: #fff;
  letter-spacing: -0.025em;
}
.auth-aside p { color: rgba(245,241,232,0.65); font-size: 14.5px; max-width: 38ch; }
.auth-aside-foot {
  position: relative; z-index: 1;
  font-family: var(--mono); font-size: 11px;
  color: rgba(245,241,232,0.40); letter-spacing: 0.08em;
}
.auth-form {
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--space-7);
  background: var(--paper);
}
.auth-form .auth-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: var(--space-6);
  box-shadow: var(--shadow-2);
  max-width: 420px; width: 100%;
}
.auth-form h2 {
  font-family: var(--display);
  font-weight: 460; font-style: italic;
  font-size: 28px;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.auth-form .lede { font-size: 13px; color: var(--ink-3); margin-bottom: var(--space-5); }

@media (max-width: 900px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-aside { padding: var(--space-5); min-height: 220px; }
  .auth-form { padding: var(--space-5); }
}

/* --- Dashboard hero --- */
.dash-hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--line);
}
.dash-hero .dash-greeting h1 {
  font-size: clamp(34px, 4.5vw, 52px);
  line-height: 1.05;
  margin: 0 0 var(--space-3);
}
.dash-hero .dash-greeting .meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* --- Inline code --- */
code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--ink-2);
}

/* --- Mobile: hamburger + slide-in sidebar --- */
.app-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  width: 36px; height: 36px;
  border-radius: var(--r-1);
  align-items: center; justify-content: center;
  margin-right: var(--space-3);
  cursor: pointer;
  color: var(--ink-2);
  transition: background 120ms ease, border-color 120ms ease;
}
.app-menu-toggle:hover { background: var(--surface-2); border-color: var(--ink-3); color: var(--ink); }
.app-menu-toggle svg { width: 18px; height: 18px; stroke-width: 2; }

.app-backdrop {
  position: fixed; inset: 0;
  background: rgba(12,12,12,0.45);
  opacity: 0; pointer-events: none;
  z-index: 60;
  transition: opacity 200ms ease;
}
body.menu-open .app-backdrop { opacity: 1; pointer-events: auto; }

@media (max-width: 800px) {
  :root { --topbar-h: 52px; }
  .app-menu-toggle { display: inline-flex; }

  /* Drop the desktop stacking context on mobile so the fixed sidebar (z70)
     can render above the backdrop (z60) at the root stacking level. */
  .app-shell { grid-template-columns: 1fr; position: static; z-index: auto; }

  .app-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: min(82vw, 300px);
    height: 100dvh;
    background: #ffffff;
    border-right: 1px solid var(--line);
    box-shadow: 4px 0 24px rgba(12,12,12,0.18);
    transform: translateX(-100%);
    transition: transform 220ms cubic-bezier(.2,.8,.25,1);
    z-index: 70;
    padding: calc(var(--topbar-h) + var(--space-3)) var(--space-3) var(--space-5);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.menu-open .app-sidebar { transform: translateX(0); }
  /* Ensure tap targets are big enough on mobile */
  .app-sidebar .nav-link {
    padding: 11px 12px;
    font-size: 15px;
    color: var(--ink);
  }
  .app-sidebar .nav-link:active { background: var(--accent-soft); color: var(--accent-ink); }
  .app-sidebar .nav-section { font-size: 11px; padding-top: var(--space-3); }

  .app-main { padding: var(--space-5) var(--space-4); }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .page-header-actions { width: 100%; flex-wrap: wrap; }

  /* Topbar tightens */
  .app-topbar { padding: 0 var(--space-3); }
  .app-brand { font-size: 17px; }
  .app-brand img { width: 18px !important; height: 18px !important; }
  .app-topbar-right { gap: var(--space-2); font-size: 12px; }
  .role-pill { display: none; }
  .tenant-switcher select { max-width: 120px; font-size: 11px; padding: 4px 8px; }

  /* Tables become horizontally scrollable */
  .table-responsive,
  .app-main > .table,
  .app-main .table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--r-2);
  }
  .app-main .table {
    border: 1px solid var(--line);
    min-width: 100%;
  }
  .table thead th, .table tbody td { padding: 10px 12px; font-size: 12.5px; }

  /* Stat cards stack via Bootstrap grid; ensure spacing */
  .stat-card { padding: var(--space-4); }
  .stat-card .stat-value { font-size: clamp(24px, 8vw, 32px); }

  /* Dashboard hero stacks */
  .dash-hero {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-5);
  }
  .dash-hero .dash-greeting:last-child { align-items: flex-start !important; }
  .dash-hero .dash-greeting:last-child > div:last-child { justify-content: flex-start !important; }

  /* Form rows full-width */
  .row.g-3 > [class*="col-md-"] { width: 100%; }
  .form-control, .form-select { font-size: 16px; /* avoid iOS zoom on focus */ }
  .form-control-sm, .form-select-sm { font-size: 14px; }

  /* Cards & content use less padding */
  .card-body { padding: var(--space-4); }

  /* dl rows for detail pages */
  dl.row dt { padding-bottom: 2px; }
  dl.row dd { padding-bottom: 8px; }

  /* Hide native horizontal scrollbar drag-ish on iOS for the sidebar */
  .app-sidebar::-webkit-scrollbar { display: none; }
  body.menu-open { overflow: hidden; }
}

@media (max-width: 480px) {
  .app-main { padding: var(--space-4) var(--space-3); }
  h1, .h1 { font-size: 24px; }
  h2, .h2 { font-size: 19px; }
  .app-brand .brand-mark { display: none; } /* mark already inside img */
  .auth-form { padding: var(--space-4); }
  .auth-form .auth-card { padding: var(--space-5) var(--space-4); }
}

/* --- Print --- */
@media print {
  .app-sidebar, .app-topbar, .page-header-actions { display: none; }
  body, .app-main { background: #fff; }
}

/* --- Bootstrap navbar compat (for any leftover use) --- */
.navbar.navbar-dark { background: var(--ink) !important; }
.navbar-brand { font-family: var(--display); font-style: italic; font-weight: 460; letter-spacing: -0.02em; }