/* ==========================================================================
   Base layout, typography, cards, buttons, forms, wizard shell, KPI tiles.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p { margin: 0 0 var(--space-3) 0; }

h1 { font-size: var(--font-size-3xl); font-weight: 700; }
h2 { font-size: var(--font-size-2xl); font-weight: 700; }
h3 { font-size: var(--font-size-xl); font-weight: 600; }
h4 { font-size: var(--font-size-lg); font-weight: 600; }

a { color: var(--color-primary); }

button { font-family: inherit; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* ---------- App shell ---------- */
#app { min-height: 100vh; display: flex; flex-direction: column; }

.app-header {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 20;
}

.brand { display: flex; align-items: center; gap: var(--space-3); cursor: pointer; }
.brand-logo { width: 40px; height: 40px; flex-shrink: 0; }
.brand-name { font-weight: 700; font-size: var(--font-size-lg); color: var(--color-text); }
.brand-name span { color: var(--color-primary); }

.header-spacer { flex: 1; }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text); cursor: pointer; transition: background var(--transition-fast), transform var(--transition-fast);
}
.icon-btn:hover { background: var(--color-hover-bg); transform: translateY(-1px); }
.icon-btn svg { width: 20px; height: 20px; }

.app-main { flex: 1; padding: var(--space-6); max-width: 1200px; width: 100%; margin: 0 auto; }

.screen { display: none; }
.screen.is-active { display: block; animation: fadeIn var(--transition-base); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: var(--font-size-md);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  min-height: 48px;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid var(--color-gold); outline-offset: 2px; }

.btn-primary {
  background: var(--gradient-primary); color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { box-shadow: var(--shadow-md); }

.btn-secondary {
  background: var(--color-surface); color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { background: var(--color-hover-bg); }

.btn-ghost {
  background: transparent; color: var(--color-primary); border-color: transparent;
}
.btn-ghost:hover { background: var(--color-hover-bg); }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.05); }

.btn-sm { min-height: 36px; padding: var(--space-2) var(--space-4); font-size: var(--font-size-sm); }
.btn-lg { min-height: 56px; padding: var(--space-4) var(--space-6); font-size: var(--font-size-lg); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
}

.card-hover { transition: box-shadow var(--transition-fast), transform var(--transition-fast); cursor: pointer; }
.card-hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
}

/* ---------- Home screen ---------- */
.home-hero {
  text-align: center; padding: var(--space-8) var(--space-4) var(--space-6);
}
.home-hero .brand-logo { width: 84px; height: 84px; margin: 0 auto var(--space-4); }
.home-hero p { color: var(--color-text-muted); font-size: var(--font-size-lg); max-width: 560px; margin: 0 auto; }

.home-actions {
  display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap;
  margin: var(--space-6) 0 var(--space-8);
}

.home-section { margin-bottom: var(--space-7); }
.home-section-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); }

.nav-tile {
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-2);
  padding: var(--space-4);
}
.nav-tile .tile-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--gradient-gold); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.nav-tile .tile-icon svg { width: 22px; height: 22px; }
.nav-tile h4 { margin: 0; }
.nav-tile p { margin: 0; color: var(--color-text-muted); font-size: var(--font-size-sm); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4) var(--space-5); }

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label { font-weight: 600; font-size: var(--font-size-sm); color: var(--color-text); }
.field .hint { font-size: var(--font-size-xs); color: var(--color-text-muted); }

input[type="text"], input[type="number"], input[type="date"], input[type="email"],
select, textarea {
  font-family: inherit; font-size: var(--font-size-md);
  padding: var(--space-3); border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text); min-height: 46px; transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(193, 68, 14, 0.15);
}

.field.has-error input, .field.has-error select { border-color: var(--color-danger); }
.field-error { color: var(--color-danger); font-size: var(--font-size-xs); display: none; }
.field.has-error .field-error { display: block; }

/* ---------- Wizard shell ---------- */
.wizard-shell { display: flex; flex-direction: column; gap: var(--space-6); }

.wizard-progress {
  display: flex; align-items: center; gap: var(--space-2);
  overflow-x: auto; padding: var(--space-2) 0;
}
.wizard-progress::-webkit-scrollbar { height: 6px; }

.progress-step {
  display: flex; align-items: center; gap: var(--space-2);
  flex-shrink: 0; cursor: pointer; padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full); border: 1px solid transparent;
  background: transparent; color: var(--color-text-muted);
  font-size: var(--font-size-sm); font-weight: 600;
  transition: all var(--transition-fast);
}
.progress-step .dot {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--color-grey-200); color: var(--color-text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--font-size-xs); flex-shrink: 0;
}
.progress-step.is-active { background: var(--color-surface); border-color: var(--color-primary); color: var(--color-text); box-shadow: var(--shadow-sm); }
.progress-step.is-active .dot { background: var(--gradient-primary); color: #fff; }
.progress-step.is-complete .dot { background: var(--color-success); color: #fff; }
.progress-step:disabled, .progress-step[aria-disabled="true"] { cursor: not-allowed; opacity: 0.5; }

.wizard-step-panel { display: none; }
.wizard-step-panel.is-active { display: block; animation: slideFade var(--transition-base); }

.step-header { margin-bottom: var(--space-5); }
.step-header .step-eyebrow { color: var(--color-primary); font-weight: 700; font-size: var(--font-size-sm); text-transform: uppercase; letter-spacing: 0.04em; }

.wizard-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: var(--space-4); border-top: 1px solid var(--color-border);
}
.wizard-footer .footer-right { display: flex; gap: var(--space-3); }

/* ---------- Operation cards (Step 3) ---------- */
.op-card {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-4); border: 2px solid var(--color-border);
  border-radius: var(--radius-md); cursor: pointer; background: var(--color-surface);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.op-card .op-icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm); flex-shrink: 0;
  background: var(--color-hover-bg); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.op-card .op-icon svg { width: 20px; height: 20px; }
.op-card.is-selected { border-color: var(--color-primary); background: var(--color-warning-bg); }
.op-card input[type="checkbox"] { width: 20px; height: 20px; margin-left: auto; accent-color: var(--color-primary); }

/* ---------- Resource tables (Step 4) ---------- */
.resource-section { margin-bottom: var(--space-5); }
.resource-section summary { cursor: pointer; font-weight: 700; font-size: var(--font-size-lg); padding: var(--space-3) 0; }

table.data-table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
table.data-table th, table.data-table td { padding: var(--space-2) var(--space-3); text-align: left; border-bottom: 1px solid var(--color-border); }
table.data-table th { color: var(--color-text-muted); font-weight: 600; font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 0.03em; }
table.data-table input, table.data-table select { min-height: 38px; padding: var(--space-2); }
table.data-table tfoot td { font-weight: 700; }
.table-scroll { overflow-x: auto; }

.row-remove-btn {
  width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-danger); cursor: pointer;
}
.row-remove-btn:hover { background: var(--color-danger-bg); }

/* ---------- KPI cards ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); }
.kpi-card {
  padding: var(--space-4) var(--space-5); border-radius: var(--radius-lg);
  background: var(--color-surface); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.kpi-card .kpi-label { font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); font-weight: 700; }
.kpi-card .kpi-value { font-size: var(--font-size-2xl); font-weight: 700; margin-top: var(--space-1); }
.kpi-card .kpi-sub { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: var(--space-1); }
.kpi-card.kpi-positive .kpi-value { color: var(--color-success); }
.kpi-card.kpi-negative .kpi-value { color: var(--color-danger); }
.kpi-card.kpi-accent { background: var(--gradient-primary); border-color: transparent; }
.kpi-card.kpi-accent .kpi-label, .kpi-card.kpi-accent .kpi-value, .kpi-card.kpi-accent .kpi-sub { color: #fff; }

/* ---------- Toasts & modal ---------- */
.toast-stack { position: fixed; bottom: var(--space-5); right: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); z-index: 100; }
.toast {
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  background: var(--color-surface); box-shadow: var(--shadow-lg); border-left: 4px solid var(--color-primary);
  min-width: 260px; animation: slideIn var(--transition-base);
}
.toast.toast-success { border-left-color: var(--color-success); }
.toast.toast-error { border-left-color: var(--color-danger); }
.toast.toast-warning { border-left-color: var(--color-warning); }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(28,23,18,0.5);
  display: flex; align-items: center; justify-content: center; z-index: 90; padding: var(--space-4);
}
.modal-box { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: var(--space-6); max-width: 480px; width: 100%; }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--space-3); margin-top: var(--space-5); }

/* ---------- Splash ---------- */
#splash {
  position: fixed; inset: 0; background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: var(--space-4);
  z-index: 200; color: #fff;
}
#splash .brand-logo { width: 96px; height: 96px; }
#splash.is-hidden { display: none; }

/* ---------- Progress/step bar for summary bars in reports ---------- */
.bar-row { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-3); }
.bar-row .bar-label { width: 160px; flex-shrink: 0; font-size: var(--font-size-sm); }
.bar-track { flex: 1; height: 14px; border-radius: var(--radius-full); background: var(--color-hover-bg); overflow: hidden; }
.bar-fill { height: 100%; border-radius: var(--radius-full); background: var(--gradient-primary); }
.bar-value { width: 90px; text-align: right; font-size: var(--font-size-sm); font-weight: 600; flex-shrink: 0; }

/* ---------- Utility ---------- */
.text-muted { color: var(--color-text-muted); }
.text-right { text-align: right; }
.mt-4 { margin-top: var(--space-4); }
.mb-0 { margin-bottom: 0; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; padding: 2px 10px; border-radius: var(--radius-full); font-size: var(--font-size-xs); font-weight: 700; background: var(--color-hover-bg); color: var(--color-text-muted); }
.pill-success { background: var(--color-success-bg); color: var(--color-success); }
.pill-warning { background: var(--color-warning-bg); color: var(--color-warning); }

/* Print report is hidden on screen, shown only in @media print (see reports.js + print styles below) */
#print-report { display: none; }

@media print {
  .app-header, .wizard-progress, .wizard-footer, .toast-stack, #splash, .screen:not(#screen-wizard) { display: none !important; }
  #app, .app-main { padding: 0; margin: 0; max-width: none; }
  .wizard-step-panel { display: none !important; }
  #print-report { display: block !important; }
  #print-report table.data-table { font-size: 10pt; }
  #print-report .kpi-grid { grid-template-columns: repeat(4, 1fr); }
  body { background: #fff; color: #000; }
}