/* ============================================================
   Monthly Expense Control System — Shared Stylesheet
   Design System: "The Monthly Ledger"
   Fonts: Manrope (headlines) + Inter (body/labels)
   ============================================================ */

/* ---------- Google Fonts Import ---------- */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

/* ---------- CSS Custom Properties (Design Tokens) ---------- */
:root {
  /* Colors */
  --primary: #0c1427;
  --primary-container: #21283c;
  --on-primary: #ffffff;
  --secondary: #505f76;
  --secondary-container: #d0e1fb;
  --on-secondary-container: #54647a;
  --tertiary: #1c0048;
  --tertiary-container: #35007b;
  --tertiary-fixed: #eaddff;
  --on-tertiary-container: #a375ff;
  --surface: #f7f9fb;
  --surface-bright: #f7f9fb;
  --surface-dim: #d8dadc;
  --surface-container: #eceef0;
  --surface-container-low: #f2f4f6;
  --surface-container-high: #e6e8ea;
  --surface-container-highest: #e0e3e5;
  --surface-container-lowest: #ffffff;
  --on-surface: #191c1e;
  --on-surface-variant: #45474c;
  --outline: #75777d;
  --outline-variant: #c5c6cd;
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --on-error-container: #93000a;
  --success: #1a6b35;
  --success-container: #b7f0c8;
  --warning: #7a4f00;
  --warning-container: #fdefd0;
  --info: #1565c0;
  --info-container: #dce8ff;

  /* Typography */
  --font-headline: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --sidebar-width: 272px;
  --header-height: 64px;

  /* Shadows */
  --shadow-card: 0px 4px 16px rgba(12, 20, 39, 0.04);
  --shadow-modal: 0px 12px 32px rgba(12, 20, 39, 0.12);
  --shadow-sidebar: 2px 0 20px rgba(12, 20, 39, 0.06);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.2, 0, 0, 1);
  --transition-normal: 250ms cubic-bezier(0.2, 0, 0, 1);
  --transition-slow: 350ms cubic-bezier(0.2, 0, 0, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

/* ---------- Sidebar ---------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--surface-container-low);
  box-shadow: var(--shadow-sidebar);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(197, 198, 205, 0.15);
}

.sidebar-brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.sidebar-brand-text {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 0.8125rem;
  color: var(--primary);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sidebar-brand-sub {
  font-size: 0.625rem;
  color: var(--on-surface-variant);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* Nav sections */
.nav-section {
  padding: 20px 16px 8px;
}

.nav-section-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  padding: 0 8px;
  margin-bottom: 4px;
  opacity: 0.6;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--on-surface-variant);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  margin-bottom: 2px;
  white-space: nowrap;
}

.nav-item:hover {
  background-color: var(--surface-container-high);
  color: var(--on-surface);
}

.nav-item.active {
  background-color: var(--surface-container-lowest);
  color: var(--primary);
  font-weight: 600;
  box-shadow: var(--shadow-card);
}

.nav-item .material-symbols-outlined {
  font-size: 20px;
  flex-shrink: 0;
}

.nav-sub-item {
  padding-left: 44px;
  font-size: 0.75rem;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid rgba(197, 198, 205, 0.15);
  background-color: var(--surface-container);
}

/* ---------- Top Header ---------- */
.top-header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  background-color: rgba(247, 249, 251, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid rgba(197, 198, 205, 0.15);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary);
  padding: 4px;
  border-radius: 8px;
}

.page-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  font-weight: 500;
}

.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--surface-container);
  border-radius: 10px;
  padding: 8px 14px;
  min-width: 220px;
  font-size: 0.8125rem;
  color: var(--outline);
  cursor: text;
}

.header-period-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--surface-container);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  border: none;
  transition: background-color var(--transition-fast);
}

.header-period-chip:hover { background-color: var(--surface-container-high); }

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface-variant);
  transition: background-color var(--transition-fast);
  position: relative;
}

.icon-btn:hover { background-color: var(--surface-container); color: var(--primary); }

.avatar-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-headline);
}

.notification-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 7px;
  height: 7px;
  background-color: var(--error);
  border-radius: 50%;
  border: 1.5px solid var(--surface);
}

/* ---------- Main Content Area ---------- */
.main-content {
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  padding: 28px;
  flex: 1;
  min-height: calc(100vh - var(--header-height));
}

/* ---------- Page Header Section ---------- */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}


.page-eyebrow {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: 4px;
}
.page-heading {
  font-family: var(--font-headline);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.page-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background-color: var(--surface-container-lowest);
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}

.filter-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--surface-container);
  border: 1px solid rgba(197, 198, 205, 0.25);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.filter-chip:hover, .filter-chip.active {
  background-color: var(--surface-container-lowest);
  color: var(--primary);
  border-color: rgba(12, 20, 39, 0.15);
}

.filter-divider { width: 1px; height: 24px; background-color: var(--outline-variant); opacity: 0.4; }

.scope-toggle {
  display: flex;
  background-color: var(--surface-container-high);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}
.scope-btn {
  padding: 5px 12px;
  border-radius: 6px;
  border: none;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  color: var(--on-surface-variant);
}
.scope-btn.active {
  background-color: var(--surface-container-lowest);
  color: var(--primary);
  box-shadow: 0 1px 4px rgba(12, 20, 39, 0.08);
}

/* ---------- KPI Cards ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background-color: var(--surface-container-lowest);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(197, 198, 205, 0.1);
  transition: transform var(--transition-fast);
}
.kpi-card:hover { transform: translateY(-1px); }
.kpi-card.accent { background: linear-gradient(135deg, var(--primary), var(--primary-container)); color: white; }
.kpi-card.accent .kpi-label, .kpi-card.accent .kpi-meta { color: rgba(255,255,255,0.7); }
.kpi-card.accent .kpi-value { color: white; }

.kpi-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: 10px;
}

.kpi-value {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 10px;
}

.kpi-value.negative { color: var(--error); }
.kpi-value.positive { color: var(--success); }
.kpi-value.personal { color: var(--tertiary); }

.kpi-meta {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6875rem;
  color: var(--on-surface-variant);
  font-weight: 500;
}

.kpi-bar {
  height: 3px;
  background-color: var(--surface-container-highest);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 8px;
}
.kpi-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary-container), var(--secondary));
}

/* ---------- Cards / Panels ---------- */
.card {
  background-color: var(--surface-container-lowest);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(197, 198, 205, 0.1);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 0;
  margin-bottom: 16px;
}
.card-title {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}
.card-link {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.card-link:hover { color: var(--primary); text-decoration: underline; }

.card-body { padding: 0 24px 24px; }

/* ---------- Tables ---------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  background-color: var(--surface-container-lowest);
}

thead {
  background-color: var(--surface-container);
  position: sticky;
  top: 0;
  z-index: 1;
}

th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  white-space: nowrap;
}

th.text-right, td.text-right { text-align: right; }

td {
  padding: 13px 16px;
  color: var(--on-surface);
  font-weight: 500;
  border-bottom: 1px solid rgba(197, 198, 205, 0.12);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }

tbody tr:hover { background-color: rgba(247, 249, 251, 0.8); }

.td-primary { font-weight: 600; color: var(--primary); }
.td-amount { font-family: var(--font-headline); font-weight: 700; font-size: 0.875rem; }
.td-meta { font-size: 0.6875rem; color: var(--on-surface-variant); }

/* ---------- Status Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-paid, .badge-success { background-color: var(--success-container); color: var(--success); }
.badge-unpaid, .badge-error { background-color: var(--error-container); color: var(--error); }
.badge-partial, .badge-warning { background-color: var(--warning-container); color: var(--warning); }
.badge-pending, .badge-review { background-color: var(--info-container); color: var(--info); }
.badge-company { background-color: var(--secondary-container); color: #38485d; }
.badge-personal { background-color: var(--tertiary-fixed); color: #5a00c6; }
.badge-mixed { background-color: var(--surface-container-high); color: var(--on-surface-variant); }
.badge-closed, .badge-stopped { background-color: var(--surface-container-highest); color: var(--outline); }
.badge-recovered { background-color: #d1f3e0; color: #1a5c35; }
.badge-draft { background-color: var(--surface-container-high); color: var(--on-surface-variant); }
.badge-finalized { background-color: var(--secondary-container); color: #38485d; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--font-body);
}

.btn .material-symbols-outlined { font-size: 18px; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: white;
  box-shadow: 0 2px 8px rgba(12, 20, 39, 0.2);
}
.btn-primary:hover { box-shadow: 0 4px 16px rgba(12, 20, 39, 0.3); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background-color: var(--surface-container);
  color: var(--primary);
  border: 1px solid rgba(197, 198, 205, 0.25);
}
.btn-secondary:hover { background-color: var(--surface-container-high); }

.btn-ghost {
  background: none;
  color: var(--on-surface-variant);
  border: 1px solid rgba(197, 198, 205, 0.4);
}
.btn-ghost:hover { background-color: var(--surface-container); color: var(--primary); }

.btn-danger { background-color: var(--error-container); color: var(--error); }
.btn-danger:hover { background-color: #ffc9c5; }

.btn-sm { padding: 6px 12px; font-size: 0.75rem; }
.btn-xs { padding: 4px 8px; font-size: 0.6875rem; }
.btn-icon { padding: 8px; min-width: 36px; justify-content: center; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  margin-bottom: 6px;
}

.form-control, .form-select {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--surface-container-low);
  border: none;
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--on-surface);
  font-family: var(--font-body);
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus, .form-select:focus {
  background-color: var(--surface-container-lowest);
  box-shadow: 0 0 0 3px rgba(12, 20, 39, 0.08);
}

.form-control::placeholder { color: var(--outline); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(12, 20, 39, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }

.modal {
  background-color: var(--surface-container-lowest);
  border-radius: 16px;
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.2s ease;
}

.modal-lg { max-width: 780px; }
.modal-xl { max-width: 1000px; }

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 24px 0;
  margin-bottom: 20px;
}
.modal-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--primary);
}
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--on-surface-variant);
  padding: 4px;
  border-radius: 6px;
  display: flex;
}
.modal-close:hover { background-color: var(--surface-container); }
.modal-body { padding: 0 24px 24px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid rgba(197, 198, 205, 0.15);
}

/* ---------- Drawer (Right side panel) ---------- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(12, 20, 39, 0.3);
  z-index: 150;
  display: none;
}
.drawer-overlay.open { display: block; }

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  height: 100vh;
  background-color: var(--surface-container-lowest);
  box-shadow: var(--shadow-modal);
  z-index: 151;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.drawer-header { padding: 24px; border-bottom: 1px solid rgba(197, 198, 205, 0.15); }
.drawer-body { padding: 24px; flex: 1; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid rgba(197, 198, 205, 0.2); margin-bottom: 24px; }
.tab-btn {
  padding: 10px 18px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Upload Zone ---------- */
.upload-zone {
  border: 2px dashed rgba(197, 198, 205, 0.5);
  border-radius: 12px;
  padding: 40px 24px;
  text-align: center;
  background-color: var(--surface-container-low);
  transition: all var(--transition-fast);
  cursor: pointer;
}
.upload-zone:hover {
  border-color: var(--primary);
  background-color: rgba(12, 20, 39, 0.02);
}
.upload-zone .upload-icon { font-size: 48px; color: var(--outline); margin-bottom: 12px; }
.upload-zone .upload-label { font-size: 0.9375rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.upload-zone .upload-hint { font-size: 0.75rem; color: var(--on-surface-variant); }

/* ---------- Progress / Bars ---------- */
.progress-bar { height: 6px; background-color: var(--surface-container-highest); border-radius: 4px; overflow: hidden; }
.progress-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-container));
  transition: width 0.4s ease;
}
.progress-fill.over { background: var(--error); }
.progress-fill.warning { background: #d97706; }
.progress-fill.success { background: var(--success); }

/* ---------- Empty State ---------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  color: var(--on-surface-variant);
}
.empty-state .material-symbols-outlined { font-size: 56px; opacity: 0.35; margin-bottom: 16px; }
.empty-state h3 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.empty-state p { font-size: 0.8125rem; opacity: 0.7; max-width: 300px; }

/* ---------- Toast Notifications ---------- */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background-color: var(--inverse-surface, #2d3133);
  color: white;
  border-radius: 10px;
  font-size: 0.8125rem;
  font-weight: 500;
  box-shadow: var(--shadow-modal);
  animation: toastIn 0.2s ease;
  max-width: 360px;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.toast.success { background-color: var(--success); }
.toast.error { background-color: var(--error); }
.toast.warning { background-color: #92400e; }

/* ---------- Sidebar Overlay (mobile) ---------- */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(12, 20, 39, 0.4);
  z-index: 99;
  display: none;
}
.sidebar-overlay.open { display: block; }

/* ---------- Charts ---------- */
.chart-container { position: relative; width: 100%; }

/* ---------- Summary Rows ---------- */
.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(197, 198, 205, 0.12);
}
.summary-row:last-child { border-bottom: none; }
.summary-label { font-size: 0.8125rem; color: var(--on-surface-variant); font-weight: 500; }
.summary-value { font-family: var(--font-headline); font-size: 0.9375rem; font-weight: 700; color: var(--primary); }

/* ---------- Variance colors ---------- */
.var-over { color: var(--error); }
.var-under { color: var(--success); }
.var-exact { color: var(--on-surface-variant); }

/* ---------- Step badges ---------- */
.step-badge {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 800;
  flex-shrink: 0;
}
.step-done { background-color: var(--success-container); color: var(--success); }
.step-active { background: linear-gradient(135deg, var(--primary), var(--primary-container)); color: white; }
.step-pending { background-color: var(--surface-container-high); color: var(--on-surface-variant); }

/* ---------- Responsive Breakpoints ---------- */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .top-header {
    left: 0;
  }
  .main-content {
    margin-left: 0;
  }
  .hamburger-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  .main-content { padding: 16px; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .page-header { flex-direction: column; align-items: flex-start; }
  .header-search { display: none; }
  .drawer { width: 100%; }
  .top-header { padding: 0 16px; }
  .page-heading { font-size: 1.375rem; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: flex-start; }
}

/* ---------- Scrollbar styling ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background-color: var(--outline-variant); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background-color: var(--outline); }

/* ---------- Material Icons fix ---------- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  font-size: 20px;
  line-height: 1;
  vertical-align: middle;
}
.material-symbols-outlined.filled {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ---------- Utility classes ---------- */
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-error { color: var(--error) !important; }
.text-success { color: var(--success) !important; }
.text-muted { color: var(--on-surface-variant) !important; }
.text-right { text-align: right !important; }
.text-center { text-align: center !important; }
.fw-bold { font-weight: 700 !important; }
.fw-semibold { font-weight: 600 !important; }
.font-headline { font-family: var(--font-headline) !important; }
.d-flex { display: flex !important; }
.align-center { align-items: center !important; }
.gap-8 { gap: 8px !important; }
.gap-12 { gap: 12px !important; }
.gap-16 { gap: 16px !important; }
.mt-16 { margin-top: 16px !important; }
.mt-24 { margin-top: 24px !important; }
.mb-8 { margin-bottom: 8px !important; }
.mb-16 { margin-bottom: 16px !important; }
.mb-24 { margin-bottom: 24px !important; }
.p-24 { padding: 24px !important; }
.w-full { width: 100% !important; }