/* ============================================================
   KAASHT STUDIO / EEDA — Global Stylesheet
   Design reference: dark green sidebar, card-based metrics
   ============================================================ */

/* ── Design tokens ───────────────────────────────────────── */
:root {
  --green-dark:    #1A3C2A;
  --green-mid:     #2E6B4A;
  --green-light:   #D5EDE0;
  --green-accent:  #4CAF7D;
  --bg-canvas:     #F7F9F8;
  --bg-card:       #FFFFFF;
  --text-dark:     #1A1A1A;
  --text-mid:      #3D3D3D;
  --text-light:    #666666;
  --border:        #C8D8CE;
  --amber:         #FFF3CD;
  --amber-border:  #D4A017;
  --red-light:     #FEE2E2;
  --red-border:    #EF4444;
  --nav-width:     220px;
  --header-h:      56px;
  --radius:        8px;
  --shadow:        0 1px 4px rgba(0,0,0,.08);
}

/* ── Reset & base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-canvas);
  color: var(--text-dark);
  line-height: 1.55;
}
a { color: var(--green-mid); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout shell ────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar nav ─────────────────────────────────────────── */
.sidebar {
  width: var(--nav-width);
  background: var(--green-dark);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 20px 18px 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-brand .brand-name {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .3px;
}
.sidebar-brand .brand-sub {
  font-size: 11px;
  color: rgba(255,255,255,.5);
  margin-top: 2px;
}
.sidebar-section {
  padding: 14px 0 4px;
}
.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  color: rgba(255,255,255,.35);
  padding: 0 18px 6px;
  text-transform: uppercase;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
  cursor: pointer;
  text-decoration: none;
}
.nav-item:hover {
  background: rgba(255,255,255,.07);
  color: #fff;
  text-decoration: none;
}
.nav-item.active {
  background: rgba(76,175,125,.18);
  color: var(--green-accent);
  border-left-color: var(--green-accent);
}
.nav-item .nav-icon {
  width: 16px;
  text-align: center;
  flex-shrink: 0;
  opacity: .8;
}
.sidebar-footer {
  margin-top: auto;
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 12px;
  color: rgba(255,255,255,.45);
}
.sidebar-footer .user-name {
  color: rgba(255,255,255,.75);
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}
.sidebar-footer a {
  color: rgba(255,255,255,.5);
  font-size: 12px;
}
.sidebar-footer a:hover { color: #fff; }

/* ── Main content area ───────────────────────────────────── */
.main-content {
  margin-left: var(--nav-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top bar ─────────────────────────────────────────────── */
.topbar {
  height: var(--header-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  flex: 1;
}
.topbar-actions { display: flex; gap: 8px; align-items: center; }

/* ── Alert banners ───────────────────────────────────────── */
.alert-banner {
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-banner.danger {
  background: var(--red-light);
  border-bottom: 1px solid var(--red-border);
  color: #991b1b;
}
.alert-banner.warning {
  background: var(--amber);
  border-bottom: 1px solid var(--amber-border);
  color: #92400e;
}
.alert-banner a {
  font-weight: 700;
  color: inherit;
  text-decoration: underline;
}

/* ── Page body ───────────────────────────────────────────── */
.page-body { padding: 24px; flex: 1; }
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
}
.page-header h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
}
.page-header .sub {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 2px;
}

/* ── Metric cards (dashboard) ────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.metric-card .label {
  font-size: 12px;
  color: var(--text-light);
  font-weight: 500;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.metric-card .value {
  font-size: 28px;
  font-weight: 700;
  color: var(--green-mid);
  line-height: 1;
}
.metric-card .sub-value {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}
.card-body { padding: 20px; }

/* ── Tables ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table thead th {
  background: var(--green-dark);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  white-space: nowrap;
}
.data-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
.data-table tbody tr:hover { background: var(--bg-canvas); }
.data-table tbody tr:nth-child(even) { background: #FAFCFB; }
.data-table tbody td { padding: 10px 14px; vertical-align: middle; }

/* ── Badges / status pills ───────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.badge-green  { background: var(--green-light); color: var(--green-mid); }
.badge-amber  { background: var(--amber);       color: #92400e; }
.badge-red    { background: var(--red-light);   color: #991b1b; }
.badge-grey   { background: #F3F4F6;            color: #6B7280; }
.badge-blue   { background: #DBEAFE;            color: #1D4ED8; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity .15s, filter .15s;
  text-decoration: none;
}
.btn:hover { opacity: .88; }
.btn-primary  { background: var(--green-mid);  color: #fff; }
.btn-dark     { background: var(--green-dark); color: #fff; }
.btn-outline  { background: #fff; color: var(--green-mid); border: 1px solid var(--green-mid); }
.btn-danger   { background: #EF4444; color: #fff; }
.btn-sm       { padding: 5px 10px; font-size: 12px; }
.btn-lg       { padding: 11px 22px; font-size: 14px; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 160px; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--text-mid); margin-bottom: 5px; }
input[type=text], input[type=date], input[type=number],
input[type=email], input[type=password], select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-dark);
  background: #fff;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green-accent);
  box-shadow: 0 0 0 3px rgba(76,175,125,.15);
}
textarea { min-height: 80px; resize: vertical; }
.form-hint { font-size: 11px; color: var(--text-light); margin-top: 4px; }
.required-star { color: var(--red-border); }

/* ── Fabric rows (repeating) ─────────────────────────────── */
.fabric-rows { display: flex; flex-direction: column; gap: 8px; }
.fabric-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.fabric-row .fab-select { flex: 2; }
.fabric-row .fab-qty    { flex: 1; }
.fabric-row .fab-unit   { flex: 0 0 50px; font-size: 12px; color: var(--text-light); padding-bottom: 10px; }

/* ── Search & filter bar ─────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.filter-bar input[type=text] { max-width: 260px; }
.filter-bar select { max-width: 160px; }

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-light);
}
.empty-state .icon { font-size: 36px; margin-bottom: 12px; }
.empty-state h3 { font-size: 15px; font-weight: 600; color: var(--text-mid); margin-bottom: 6px; }

/* ── Placeholder / skeleton screen ──────────────────────────*/
.placeholder-notice {
  background: var(--green-light);
  border: 1px dashed var(--green-accent);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--green-mid);
  font-size: 14px;
}
.placeholder-notice strong { display: block; font-size: 16px; margin-bottom: 6px; }

/* ── Login page ──────────────────────────────────────────── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-dark);
}
.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.login-card .logo {
  text-align: center;
  margin-bottom: 28px;
}
.login-card .logo h1 {
  font-size: 20px;
  font-weight: 800;
  color: var(--green-dark);
}
.login-card .logo p {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}
.login-error {
  background: var(--red-light);
  border: 1px solid var(--red-border);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: #991b1b;
  margin-bottom: 16px;
}

/* ── Drill-down modal ────────────────────────────────────── */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: #fff;
  border-radius: var(--radius);
  width: 90%;
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0,0,0,.2);
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 { font-size: 15px; font-weight: 600; }
.modal-close { cursor: pointer; font-size: 18px; color: var(--text-light); background: none; border: none; }
.modal-body { padding: 20px; }

/* ── Utilities ───────────────────────────────────────────── */
.text-green  { color: var(--green-mid); }
.text-red    { color: #EF4444; }
.text-amber  { color: #D97706; }
.text-light  { color: var(--text-light); }
.fw-bold     { font-weight: 700; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }

/* ============================================================
   RESPONSIVE — mobile & tablet (same design, adaptive layout)
   ============================================================ */

/* Hamburger button — hidden on desktop */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--text-dark);
  padding: 6px 10px;
  border-radius: 6px;
}
.nav-toggle:hover { background: var(--bg-canvas); }

/* Sidebar overlay backdrop (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
}

@media (max-width: 900px) {
  /* Sidebar slides off-canvas */
  .sidebar {
    transform: translateX(-100%);
    transition: transform .25s ease;
    width: 250px;
    box-shadow: 4px 0 16px rgba(0,0,0,.25);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .sidebar-overlay { display: block; }

  .main-content { margin-left: 0; }
  .nav-toggle { display: inline-flex; align-items: center; }

  /* Page padding tighter */
  .page-body { padding: 16px 14px; }
  .topbar { padding: 0 14px; }

  /* Page header stacks */
  .page-header { flex-direction: column; align-items: stretch; gap: 10px; }
  .page-header h1 { font-size: 18px; }

  /* Metric cards: 2 per row */
  .metric-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .metric-card { padding: 14px 16px; }
  .metric-card .value { font-size: 22px; }

  /* All ad-hoc grids collapse to single column */
  .responsive-grid { grid-template-columns: 1fr !important; }

  /* Forms stack */
  .form-row { flex-direction: column; gap: 0; }
  .form-row .form-group { min-width: 100%; }

  /* Filter bar stacks nicely */
  .filter-bar { gap: 8px; }
  .filter-bar input[type=text] { max-width: 100%; flex: 1; }

  /* Tables: horizontal scroll with momentum */
  .table-wrap { -webkit-overflow-scrolling: touch; }
  .data-table { min-width: 560px; }
  .data-table thead th, .data-table tbody td { padding: 8px 10px; font-size: 12px; }

  /* Modal nearly full-width */
  .modal { width: 94%; max-height: 90vh; }

  /* Buttons full-width-friendly in action rows */
  .btn-lg { padding: 12px 16px; }

  /* Login card breathing room */
  .login-card { padding: 28px 22px; margin: 0 14px; }
}

@media (max-width: 480px) {
  /* Metric cards: 1 per row on small phones */
  .metric-grid { grid-template-columns: 1fr !important; }
  html { font-size: 13.5px; }
  .sidebar { width: 82vw; }
}