/* ============================================================
   FINTRACK — Personal Finance Manager
   Design System: Cool fintech palette, Cabinet Grotesk + Satoshi
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root,
[data-theme='light'] {
  /* Surfaces — cool slate */
  --color-bg: #f0f2f5;
  --color-surface: #ffffff;
  --color-surface-2: #f7f8fa;
  --color-surface-offset: #eef1f4;
  --color-surface-dynamic: #e4e7ec;
  --color-divider: #e3e6ea;
  --color-border: #d6dae0;
  --color-border-strong: #c4c9d0;

  /* Text */
  --color-text: #1a1d24;
  --color-text-muted: #6b7280;
  --color-text-faint: #9ca3af;
  --color-text-inverse: #ffffff;

  /* Primary — deep teal-blue */
  --color-primary: #01658c;
  --color-primary-hover: #015270;
  --color-primary-active: #01425a;
  --color-primary-highlight: #d0e8f2;
  --color-primary-soft: #e8f3f8;

  /* Semantic */
  --color-success: #0f9d6b;
  --color-success-hover: #0c8a5c;
  --color-success-highlight: #d4f0e3;
  --color-danger: #e5484d;
  --color-danger-highlight: #fce8e9;
  --color-warning: #f5a623;
  --color-warning-highlight: #fef3dc;
  --color-info: #3b82f6;
  --color-info-highlight: #e0ecfe;

  /* Chart palette */
  --chart-1: #01658c;
  --chart-2: #0f9d6b;
  --chart-3: #f5a623;
  --chart-4: #8b5cf6;
  --chart-5: #ec4899;
  --chart-6: #06b6d4;
  --chart-7: #84cc16;
  --chart-8: #f97316;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  /* Safe area for iPhone notch / Android cutout */
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', -apple-system, sans-serif;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --sidebar-width: 260px;
  --content-max: 1280px;
}

[data-theme='dark'] {
  --color-bg: #0f1117;
  --color-surface: #181b24;
  --color-surface-2: #1e222d;
  --color-surface-offset: #1a1e27;
  --color-surface-dynamic: #2a2e3a;
  --color-divider: #232733;
  --color-border: #2e3340;
  --color-border-strong: #3a4150;

  --color-text: #e4e6eb;
  --color-text-muted: #8b8f9a;
  --color-text-faint: #5c6070;
  --color-text-inverse: #0f1117;

  --color-primary: #3b9fd6;
  --color-primary-hover: #5ab4e6;
  --color-primary-active: #2a87be;
  --color-primary-highlight: #1a2e38;
  --color-primary-soft: #15202a;

  --color-success: #2dd4a0;
  --color-success-hover: #22b389;
  --color-success-highlight: #0d2e25;
  --color-danger: #ff6b6b;
  --color-danger-highlight: #2e1517;
  --color-warning: #fbbf24;
  --color-warning-highlight: #2e2510;
  --color-info: #60a5fa;
  --color-info-highlight: #10202e;

  --chart-1: #3b9fd6;
  --chart-2: #2dd4a0;
  --chart-3: #fbbf24;
  --chart-4: #a78bfa;
  --chart-5: #f472b6;
  --chart-6: #22d3ee;
  --chart-7: #a3e635;
  --chart-8: #fb923c;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f1117;
    --color-surface: #181b24;
    --color-surface-2: #1e222d;
    --color-surface-offset: #1a1e27;
    --color-surface-dynamic: #2a2e3a;
    --color-divider: #232733;
    --color-border: #2e3340;
    --color-border-strong: #3a4150;
    --color-text: #e4e6eb;
    --color-text-muted: #8b8f9a;
    --color-text-faint: #5c6070;
    --color-text-inverse: #0f1117;
    --color-primary: #3b9fd6;
    --color-primary-hover: #5ab4e6;
    --color-primary-active: #2a87be;
    --color-primary-highlight: #1a2e38;
    --color-primary-soft: #15202a;
    --color-success: #2dd4a0;
    --color-success-hover: #22b389;
    --color-success-highlight: #0d2e25;
    --color-danger: #ff6b6b;
    --color-danger-highlight: #2e1517;
    --color-warning: #fbbf24;
    --color-warning-highlight: #2e2510;
    --color-info: #60a5fa;
    --color-info-highlight: #10202e;
    --chart-1: #3b9fd6;
    --chart-2: #2dd4a0;
    --chart-3: #fbbf24;
    --chart-4: #a78bfa;
    --chart-5: #f472b6;
    --chart-6: #22d3ee;
    --chart-7: #a3e635;
    --chart-8: #fb923c;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  }
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
}

img, svg, canvas {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a, button, input, textarea, select {
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

::selection {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo img {
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sidebar-close {
  display: none;
  color: var(--color-text-muted);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
}

.sidebar-close:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-3);
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-3);
  border-top: 1px solid var(--color-divider);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: left;
  width: 100%;
  min-height: 44px;
}

.nav-item:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.nav-item.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 600;
}

.nav-item.danger:hover {
  background: var(--color-danger-highlight);
  color: var(--color-danger);
}

/* Overlay for mobile sidebar */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ---------- Main Wrapper ---------- */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  max-width: calc(100vw - var(--sidebar-width));
}

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-8);
  padding-top: calc(var(--space-4) + var(--safe-area-top));
  padding-left: calc(var(--space-8) + var(--safe-area-left));
  padding-right: calc(var(--space-8) + var(--safe-area-right));
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.menu-btn {
  display: none;
  color: var(--color-text);
  padding: var(--space-2);
}

.page-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
  background: var(--color-surface-offset);
}

/* ---------- 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);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
  min-height: 44px;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

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

/* Currency display */
.books-intro, #view-bookkeeping > .card { margin-bottom: var(--space-6); }
.books-intro .card-header-row { flex-wrap: wrap; gap: var(--space-4); }
.books-textarea { resize: vertical; min-height: 88px; width: 100%; }
.books-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.books-period { display: flex; align-items: end; gap: var(--space-3); margin-bottom: var(--space-6); }
.books-period .form-group { margin: 0; }
.books-summary .stat-value { font-size: clamp(20px, 2vw, 28px); overflow-wrap: anywhere; }
.books-summary .stat-info { min-width: 0; }
.books-row { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-4) 0; border-bottom: 1px solid var(--color-border); }
.books-row:last-child { border-bottom: 0; }
.books-row-info { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.books-row-info h4 { font-size: var(--text-sm); font-weight: 700; }
.books-row-meta { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-2); }
.books-row-money { font-weight: 700; font-size: var(--text-sm); white-space: nowrap; }
.books-income { color: var(--color-success); }
.books-expense { color: var(--color-danger); }
.books-badge { display: inline-block; padding: 3px 8px; margin-right: 8px; border-radius: 6px; background: var(--color-surface-offset); color: var(--color-text-muted); font-size: var(--text-xs); }
.books-badge.paid { background: var(--color-success-highlight); color: var(--color-success); }
.books-badge.overdue { background: var(--color-danger-highlight); color: var(--color-danger); }
.books-row .books-actions { gap: var(--space-1); }
.books-row .btn { padding: var(--space-2); font-size: var(--text-xs); }
#booksInvoiceFilter { width: 180px; max-width: 100%; flex-shrink: 0; }
.books-empty { padding: var(--space-6) 0; color: var(--color-text-muted); font-size: var(--text-sm); }
.books-warning { color: var(--color-warning); }
.account-button { white-space: nowrap; font-size: var(--text-xs); }
#accountSyncStrip { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-6); border-bottom: 1px solid var(--color-border); background: var(--color-surface-2); font-size: var(--text-xs); }
#accountSyncText { overflow-wrap: anywhere; }
#accountSyncStrip.account-error { background: var(--color-danger-highlight); color: var(--color-text); }
#accountSyncStrip button { font-size: var(--text-xs); min-height: 44px; white-space: nowrap; }
.account-modal { width: min(600px,calc(100vw - 32px)); }
#accountIdentity { font-weight: 700; overflow-wrap: anywhere; }
#accountAuthForm, #accountRecoveryForm { margin-top: var(--space-5); }
#accountRecoveryForm { border-top: 1px solid var(--color-border); padding-top: var(--space-4); }
#accountAuthResult { font-size: var(--text-sm); margin-block: var(--space-4); }
#accountCloudActions .books-actions { margin-block: var(--space-4); }
#accountOverlay [hidden] { display: none !important; }
@media(max-width:600px){
  #accountSyncStrip { padding-inline: var(--space-3); align-items: start; }
  #accountSyncStrip button { white-space: normal; }
  .account-button { padding: var(--space-2); max-width: 104px; white-space: normal; }
}
#view-bookkeeping [hidden] { display: none !important; }
.books-setup { margin-bottom: var(--space-6); }
.books-setup summary { cursor: pointer; font-size: var(--text-sm); font-weight: 700; padding: var(--space-1) 0; }
.books-setup summary span { font-weight: 400; color: var(--color-text-muted); margin-left: var(--space-3); }
.books-setup-actions { display: flex; gap: var(--space-3); margin-top: var(--space-4); }
.books-setup-step { flex: 1; min-width: 0; text-align: left; padding: var(--space-4); border-radius: var(--radius-md); background: var(--color-surface-2); border: 1px solid var(--color-border); }
.books-setup-step:hover { background: var(--color-surface-offset); }
.books-setup-step span { display: block; color: var(--color-primary); font-size: var(--text-xs); }
.books-setup-step strong { display: block; font-size: var(--text-sm); margin: var(--space-2) 0; }
.books-setup-step small { display: block; font-size: var(--text-xs); color: var(--color-text-muted); }
.books-tabs { display: flex; flex-wrap: wrap; gap: var(--space-2); border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-6); padding-bottom: var(--space-3); }
.books-tabs button { min-height: 44px; padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-text-muted); }
.books-tabs button[aria-pressed="true"] { background: var(--color-primary-highlight); color: var(--color-primary); font-weight: 700; }
.books-tabs button:hover { color: var(--color-text); }
#booksReportsPanel > .card, .books-report-grid { margin-bottom: var(--space-6); }
.books-report-summary { display: flex; flex-wrap: wrap; gap: var(--space-6); padding-top: var(--space-5); }
.books-report-summary > div { flex: 1; min-width: 140px; }
.books-report-summary span { display: block; font-size: var(--text-xs); color: var(--color-text-muted); }
.books-report-summary strong { display: block; font-size: var(--text-lg); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; padding-top: var(--space-2); }
.books-report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.books-report-grid > .card { min-width: 0; }
.books-report-table-wrap { overflow-x: auto; }
.books-mobile-report-hint { display: none; }
.books-report-table { width: 100%; font-size: var(--text-sm); }
.books-report-table caption { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.books-report-table th { font-weight: 600; color: var(--color-text-muted); font-size: var(--text-xs); }
.books-report-table th, .books-report-table td { padding: var(--space-3); text-align: right; border-bottom: 1px solid var(--color-divider); font-variant-numeric: tabular-nums; white-space: nowrap; }
.books-report-table th:first-child, .books-report-table td:first-child { text-align: left; white-space: normal; min-width: 100px; max-width: 320px; overflow-wrap: anywhere; }
.books-report-table td small { display: block; color: var(--color-text-muted); font-size: var(--text-xs); margin-top: var(--space-1); }
.books-row .books-actions { max-width: 50%; }
.books-row .btn { min-height: 44px; }
@media (max-width: 1100px) {
  .books-report-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .books-mobile-report-hint { display: block; }
  .books-setup-actions { flex-direction: column; }
  .books-setup summary span { display: block; margin-left: 0; margin-top: var(--space-2); }
  .books-tabs { gap: var(--space-1); }
  .books-tabs button { flex: 1; padding-inline: var(--space-2); font-size: var(--text-xs); }
  .books-row .books-actions { max-width: none; }
  .books-period { flex-wrap: wrap; }
}
#booksModalOverlay { transition: opacity var(--transition); }
html[data-theme="dark"] #booksMonth, html[data-theme="dark"] #booksForm input { color-scheme: dark; }

/* White-paper invoice preview, independent of the app theme. */
body.invoice-preview-open { overflow: hidden; }
body.invoice-preview-open #toast { display: none; }
#invoicePrintOverlay { display: none; position: fixed; inset: 0; overflow-y: auto; z-index: 250; background: #eaf0ed; color: #17251e; padding: 0 24px 48px; }
#invoicePrintOverlay.active { display: block; }
.invoice-preview-toolbar { position: sticky; top: 0; z-index: 1; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; background: #f4f8f6; padding: 20px 24px; margin: 0 -24px 20px; border-bottom: 1px solid #d4dfd8; }
.invoice-preview-toolbar h2 { font-size: 20px; font-weight: 700; }
.invoice-preview-toolbar .btn-primary { background: #01658c; color: white; }
.invoice-preview-toolbar .btn-ghost { color: #30443a; }
.invoice-preview-help, #invoicePrintError { max-width: 760px; margin: 0 auto 16px; font-size: 12px; line-height: 1.7; }
#invoicePrintError { color: #a92328; }
#invoicePaper { max-width: 760px; margin: 0 auto; padding: 48px; background: white; border-top: 6px solid var(--invoice-accent,#1a8c4a); box-shadow: 0 10px 32px rgb(25 57 39 / 0.09); font-family: Arial, sans-serif; font-size: 14px; line-height: 1.65; overflow-wrap: anywhere; }
.invoice-business-logo { display: block; max-width: 180px; max-height: 80px; object-fit: contain; object-position: left center; margin-bottom: 16px; }
.books-templates { border-bottom: 1px solid var(--color-divider); padding-bottom: var(--space-5); margin-bottom: var(--space-6); }
.books-templates summary, .books-branding summary { cursor: pointer; font-size: var(--text-sm); font-weight: 700; padding-block: var(--space-3); }
.books-branding { margin-block: var(--space-4); padding: var(--space-4); background: var(--color-surface-2); border-radius: var(--radius-md); }
#book-logo-preview img { display: block; max-width: 200px; max-height: 100px; object-fit: contain; margin-block: var(--space-3); padding: var(--space-2); background: white; border-radius: var(--radius-sm); }
#book-accent { height: 48px; width: 100%; cursor: pointer; }
.books-branding-choice { display: flex; align-items: start; gap: var(--space-3); font-size: var(--text-sm); padding-block: var(--space-3); }
.books-branding-choice input { min-width: 20px; height: 20px; }
.invoice-document-header { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; padding-bottom: 32px; border-bottom: 1px solid #dbe5de; }
.invoice-document-header h2 { font-size: 22px; line-height: 1.3; margin-bottom: 12px; }
.invoice-document-id { text-align: right; min-width: 0; }
.invoice-document-id h1 { font-size: 32px; font-weight: 700; letter-spacing: 2px; }
.invoice-document-id p { font-weight: 700; margin-bottom: 12px; }
.invoice-document-status { display: inline-block; border: 1px solid #bed5c5; background: #edf7f0; color: #21613a; border-radius: 5px; padding: 4px 12px; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.invoice-eyebrow { color: var(--invoice-ink,#557363); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; margin-bottom: 8px; }
.invoice-address-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 32px 0; }
.invoice-address-grid h3, .invoice-document-notes h3 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.invoice-lines { white-space: pre-wrap; overflow-wrap: anywhere; }
.invoice-dates div, .invoice-totals div { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 8px; }
.invoice-dates dt { color: #65736b; }
.invoice-dates dd { text-align: right; }
.invoice-line-items { width: 100%; border-collapse: collapse; table-layout: fixed; margin-bottom: 24px; }
.invoice-line-items th { background: #f1f6f3; border-bottom: 1px solid #d5e0d8; text-align: left; font-size: 12px; padding: 12px; }
.invoice-line-items td { padding: 18px 12px; border-bottom: 1px solid #dbe5de; vertical-align: top; }
.invoice-line-items th:last-child, .invoice-line-items td:last-child { width: 34%; text-align: right; }
.invoice-totals { margin-left: auto; max-width: 340px; padding-bottom: 24px; }
.invoice-balance { border-top: 2px solid var(--invoice-accent,#1a8c4a); padding-top: 12px; margin-top: 12px; font-size: 18px; font-weight: 700; }
.invoice-document-notes { border-top: 1px solid #dbe5de; padding: 20px 0; }
.invoice-document-footer { margin-top: 24px; font-size: 12px; color: #65736b; }
@media (max-width: 600px) {
  #invoicePrintOverlay { padding: 0 12px 24px; }
  .invoice-preview-toolbar { margin: 0 -12px 16px; padding: 16px 12px; }
  .invoice-preview-toolbar .books-actions { width: 100%; }
  #invoicePaper { padding: 24px; font-size: 13px; }
  .invoice-document-header, .invoice-address-grid { grid-template-columns: 1fr; gap: 24px; }
  .invoice-document-id { text-align: left; }
  .invoice-document-id h1 { font-size: 28px; }
}
@page { size: letter; margin: 16mm; }
@media print {
  body.invoice-preview-open { overflow: visible !important; background: white !important; }
  body.invoice-preview-open > *:not(#invoicePrintOverlay) { display: none !important; }
  body.invoice-preview-open #invoicePrintOverlay { display: block !important; position: static !important; overflow: visible !important; padding: 0 !important; background: white !important; }
  .invoice-preview-toolbar, .invoice-preview-help, #invoicePrintError { display: none !important; }
  #invoicePaper { width: 100%; max-width: none; padding: 0; box-shadow: none; font-size: 12px; color: #17251e; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .invoice-document-header, .invoice-address-grid { grid-template-columns: 1fr 1fr !important; gap: 20px; }
  .invoice-document-id { text-align: right; }
  .invoice-line-items, .invoice-totals { break-inside: avoid; }
  .invoice-document-notes h3 { break-after: avoid; }
  #invoicePaper h1, #invoicePaper h2, #invoicePaper h3 { color: #17251e; }
}
@media (max-width: 768px) {
  .books-intro .card-header-row { flex-direction: column; align-items: stretch; gap: var(--space-4); }
  .books-actions { gap: var(--space-2); }
  .books-row { flex-wrap: wrap; }
  .books-row-info { flex-basis: 65%; }
  .books-row .books-actions { width: 100%; }
  #view-bookkeeping .card-header-row { flex-wrap: wrap; gap: var(--space-3); }
}
.fx-led-preview { display: flex; gap: var(--space-6); align-items: center; margin-bottom: var(--space-6); }
.fx-led-preview img { flex-shrink: 0; width: 180px; height: 180px; filter: drop-shadow(0 10px 12px rgb(0 45 28 / 0.14)); }
.fx-intro, #view-exchange > .card { margin-bottom: var(--space-6); }
.fx-status { color: var(--color-primary); font-size: var(--text-sm); margin-bottom: var(--space-3); overflow-wrap: anywhere; }
.fx-note { color: var(--color-text-muted); font-size: var(--text-xs); line-height: 1.6; margin-top: var(--space-3); }
.fx-note a { color: var(--color-primary); text-decoration: underline; }
.fx-controls { display: grid; grid-template-columns: 1fr 1.4fr auto 1.4fr; align-items: end; gap: var(--space-4); }
.fx-controls .form-group, .fx-add .form-group { margin-bottom: 0; min-width: 0; }
.fx-controls .select, .fx-add .select { width: 100%; text-overflow: ellipsis; }
.fx-result { background: var(--color-primary-soft); border-radius: var(--radius-lg); padding: var(--space-6); margin-top: var(--space-6); }
#fxResult { font-family: var(--font-display); font-weight: 700; font-size: clamp(24px, 4vw, 36px); overflow-wrap: anywhere; }
.fx-add { display: flex; align-items: end; gap: var(--space-3); margin-bottom: var(--space-6); }
.fx-add .form-group { flex: 1; max-width: 400px; }
.fx-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); }
.fx-rate-card { padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-lg); min-width: 0; overflow-wrap: anywhere; }
.fx-rate-card strong { font-size: var(--text-sm); }
.fx-rate-value { font-size: 26px; font-family: var(--font-display); font-weight: 700; margin-top: var(--space-4); }
@media (max-width: 768px) {
  .fx-led-preview { flex-direction: column; align-items: flex-start; }
  .fx-controls { grid-template-columns: 1fr; }
  .fx-swap { justify-self: start; }
  .fx-add { flex-direction: column; align-items: stretch; }
  .fx-add .form-group { max-width: none; }
  .fx-intro .card-header-row { flex-direction: column; align-items: stretch; gap: var(--space-4); }
}

.btn-success {
  background: var(--color-success);
  color: var(--color-text-inverse);
}

.btn-success:hover {
  background: var(--color-success-hover);
}

.btn-ghost {
  color: var(--color-text-muted);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-add svg {
  flex-shrink: 0;
}

/* ---------- Views ---------- */
.view {
  display: none;
  padding: var(--space-6) var(--space-8);
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
  flex: 1;
  min-width: 0;
}

.view.active {
  display: block;
  animation: fadeIn 300ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
  overflow: hidden;
  min-width: 0;
}

.card-header {
  margin-bottom: var(--space-5);
}

.card-header h3 {
  font-size: var(--text-lg);
  font-weight: 700;
}

.card-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ---------- Summary Cards ---------- */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  margin-bottom: 0;
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.stat-icon.income { background: var(--color-success-highlight); color: var(--color-success); }
.stat-icon.expense { background: var(--color-danger-highlight); color: var(--color-danger); }
.stat-icon.balance { background: var(--color-primary-highlight); color: var(--color-primary); }
.stat-icon.savings { background: var(--color-warning-highlight); color: var(--color-warning); }

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: var(--space-1);
}

/* ---------- Charts ---------- */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.chart-card {
  margin-bottom: 0;
}

.chart-container {
  position: relative;
  height: 280px;
}

/* ---------- Transaction List (Dashboard) ---------- */
.tx-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.tx-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-md);
}

.tx-item:hover {
  background: var(--color-surface-offset);
}

.tx-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tx-icon.income { background: var(--color-success-highlight); color: var(--color-success); }
.tx-icon.expense { background: var(--color-danger-highlight); color: var(--color-danger); }

.tx-details {
  flex: 1;
  min-width: 0;
}

.tx-desc {
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tx-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.tx-amount {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.tx-amount.income { color: var(--color-success); }
.tx-amount.expense { color: var(--color-text); }

/* ---------- Filters ---------- */
.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Form Elements ---------- */
.input, .select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
  color: var(--color-text);
  width: 100%;
}

.input:focus, .select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.input::placeholder {
  color: var(--color-text-faint);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  pointer-events: none;
}

.input-wrapper .input {
  padding-left: var(--space-8);
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-8);
}

/* ---------- Transaction Table ---------- */
.tx-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.tx-table-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 24px;
  height: 100%;
  background: linear-gradient(to left, var(--color-surface), transparent);
  pointer-events: none;
  opacity: 0;
  transition: opacity 200ms;
}

.tx-table-wrapper.has-scroll::after {
  opacity: 1;
}

.tx-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: auto;
}

.tx-table thead {
  background: var(--color-surface-offset);
}

.tx-table th {
  padding: var(--space-3) var(--space-3);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.tx-table td {
  padding: var(--space-3) var(--space-3);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-divider);
  white-space: nowrap;
}

.tx-table col.col-date { width: 110px; }
.tx-table col.col-desc { width: auto; }
.tx-table col.col-cat { width: 120px; }
.tx-table col.col-type { width: 90px; }
.tx-table col.col-amount { width: 110px; }
.tx-table col.col-actions { width: 80px; }

/* ---------- Mobile Transaction Cards ---------- */
.tx-mobile-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tx-mobile-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tx-mobile-top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.tx-mobile-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tx-mobile-icon.income { background: var(--color-success-highlight); color: var(--color-success); }
.tx-mobile-icon.expense { background: var(--color-danger-highlight); color: var(--color-danger); }

.tx-mobile-info {
  flex: 1;
  min-width: 0;
}

.tx-mobile-desc {
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tx-mobile-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.tx-mobile-amount {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.tx-mobile-amount.income { color: var(--color-success); }
.tx-mobile-amount.expense { color: var(--color-text); }

.tx-mobile-bottom {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-left: 48px;
}

.tx-mobile-actions {
  margin-left: auto;
  display: flex;
  gap: var(--space-1);
}

.tx-mobile-actions .tx-action-btn {
  min-width: 36px;
  min-height: 36px;
}

.tx-table tbody tr:hover {
  background: var(--color-surface-offset);
}

.tx-amount-col {
  text-align: right;
}

/* ---------- Send & Receive View ---------- */
.transfer-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

.contact-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.contact-top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.contact-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-inverse);
  flex-shrink: 0;
  text-transform: uppercase;
}

.contact-info {
  flex: 1;
  min-width: 0;
}

.contact-name {
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-email {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-balance {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
}

.contact-balance-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.contact-balance-value {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
}

.contact-balance-value.positive {
  color: var(--color-success);
}

.contact-balance-value.negative {
  color: var(--color-danger);
}

.contact-actions {
  display: flex;
  gap: var(--space-2);
}

.contact-actions .btn {
  flex: 1;
  min-height: 36px;
  font-size: var(--text-xs);
}

.contact-actions .btn-send {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.contact-actions .btn-send:hover {
  background: var(--color-primary-hover);
}

.contact-actions .btn-receive {
  background: var(--color-success);
  color: var(--color-text-inverse);
}

.contact-actions .btn-receive:hover {
  background: var(--color-success-hover);
}

.contact-delete {
  color: var(--color-text-faint);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
}

.contact-delete:hover {
  color: var(--color-danger);
  background: var(--color-danger-highlight);
}

.transfer-history-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-md);
}

.transfer-history-item:hover {
  background: var(--color-surface-offset);
}

.transfer-history-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.transfer-history-icon.sent {
  background: var(--color-danger-highlight);
  color: var(--color-danger);
}

.transfer-history-icon.received {
  background: var(--color-success-highlight);
  color: var(--color-success);
}

.transfer-history-details {
  flex: 1;
  min-width: 0;
}

.transfer-history-desc {
  font-size: var(--text-sm);
  font-weight: 600;
}

.transfer-history-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.transfer-history-amount {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.transfer-history-amount.sent {
  color: var(--color-danger);
}

.transfer-history-amount.received {
  color: var(--color-success);
}

.transfer-empty {
  text-align: center;
  padding: var(--space-12);
  color: var(--color-text-muted);
}

.transfer-empty svg {
  margin: 0 auto var(--space-4);
  color: var(--color-text-faint);
}

.transfer-empty p {
  font-size: var(--text-base);
  font-weight: 600;
}

@media (max-width: 768px) {
  .transfer-actions {
    flex-direction: column;
  }

  .transfer-actions .btn {
    width: 100%;
  }

  .contacts-grid {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    flex-direction: row;
  }
}

.tx-type-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}

.tx-type-badge.income {
  background: var(--color-success-highlight);
  color: var(--color-success);
}

.tx-type-badge.expense {
  background: var(--color-danger-highlight);
  color: var(--color-danger);
}

.tx-cat-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
}

.tx-actions {
  display: flex;
  gap: var(--space-1);
}

.tx-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  border: 1px solid transparent;
}

.tx-action-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}

.tx-action-btn.delete:hover {
  color: var(--color-danger);
  background: var(--color-danger-highlight);
}

/* ---------- Empty State ---------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-4);
  text-align: center;
  color: var(--color-text-muted);
}

.empty-state svg {
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.empty-state p {
  font-size: var(--text-base);
  font-weight: 600;
}

/* ---------- Analytics ---------- */
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.analytics-grid > .card {
  margin-bottom: 0;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.ranking-bar-wrap {
  flex: 1;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  overflow: hidden;
}

.ranking-bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 500ms ease;
}

.ranking-label {
  font-size: var(--text-sm);
  font-weight: 600;
  min-width: 100px;
}

.ranking-amount {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  min-width: 80px;
  text-align: right;
}

.stats-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.stats-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-offset);
}

.stats-list-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.stats-list-value {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
}

/* ---------- Insights ---------- */
.insights-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
}

.insight-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.insight-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.insight-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.insight-icon.warning { background: var(--color-warning-highlight); color: var(--color-warning); }
.insight-icon.danger { background: var(--color-danger-highlight); color: var(--color-danger); }
.insight-icon.success { background: var(--color-success-highlight); color: var(--color-success); }
.insight-icon.info { background: var(--color-info-highlight); color: var(--color-info); }

.insight-title {
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: var(--space-1);
}

.insight-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.insight-value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  margin-top: var(--space-3);
}

.insight-value.positive { color: var(--color-success); }
.insight-value.negative { color: var(--color-danger); }

.insights-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16);
  color: var(--color-text-muted);
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.modal-header h2 {
  font-size: var(--text-lg);
  font-weight: 700;
}

.modal-close {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.modal-close:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.modal-form {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.type-toggle {
  display: flex;
  gap: var(--space-1);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  padding: var(--space-1);
}

.type-btn {
  flex: 1;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

.type-btn.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.type-btn[data-type="expense"].active {
  color: var(--color-danger);
}

.type-btn[data-type="income"].active {
  color: var(--color-success);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 300;
  opacity: 0;
  transition: transform 300ms ease, opacity 300ms ease;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ---------- Responsive ---------- */

/* === LAPTOP / DESKTOP (1024px+) === */
@media (min-width: 1024px) {
  .main-wrapper {
    max-width: calc(100vw - var(--sidebar-width));
  }
}

/* === TABLET LANDSCAPE (768px - 1023px) === */
@media (max-width: 1023px) and (min-width: 769px) {
  .main-wrapper {
    margin-left: var(--sidebar-width);
  }
  .charts-grid {
    grid-template-columns: 1fr 1fr;
  }
  .analytics-grid {
    grid-template-columns: 1fr 1fr;
  }
  .view {
    padding: var(--space-6) var(--space-6);
  }
}

/* === TABLET PORTRAIT (max 768px) === */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-close {
    display: flex;
  }

  .overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .main-wrapper {
    margin-left: 0;
    max-width: 100vw;
  }

  .menu-btn {
    display: flex;
  }

  .topbar {
    padding: var(--space-3) var(--space-4);
  }

  .view {
    padding: var(--space-4);
  }

  .btn-add span {
    display: none;
  }

  .btn-add {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-md);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-card {
    padding: var(--space-3);
  }

  .stat-icon {
    width: 36px;
    height: 36px;
  }

  .charts-grid,
  .analytics-grid {
    grid-template-columns: 1fr;
  }

  .chart-container {
    height: 240px;
  }

  .card {
    padding: var(--space-4);
  }
}

/* === ANDROID PHONES (max 414px) === */
@media (max-width: 414px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .stat-card {
    flex-direction: row;
    padding: var(--space-3) var(--space-4);
  }

  .stat-icon {
    width: 40px;
    height: 40px;
  }

  .stat-value {
    font-size: var(--text-lg);
  }

  .card {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
  }

  .view {
    padding: var(--space-3);
  }

  .topbar {
    padding: var(--space-2) var(--space-3);
    gap: var(--space-2);
  }

  .page-title {
    font-size: var(--text-lg);
  }

  .chart-container {
    height: 200px;
  }

  .card-header-row {
    flex-direction: column;
    gap: var(--space-3);
  }

  .card-header-row .btn {
    align-self: flex-start;
  }

  .filters {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .modal {
    border-radius: var(--radius-lg);
    margin: var(--space-2);
    max-width: calc(100vw - var(--space-4));
  }

  .modal-form {
    padding: var(--space-4);
  }

  .insights-container {
    grid-template-columns: 1fr;
  }

  .tx-table th,
  .tx-table td {
    padding: var(--space-2);
    font-size: var(--text-xs);
  }

  .ranking-label {
    min-width: 70px;
    font-size: var(--text-xs);
  }

  .ranking-amount {
    min-width: 60px;
    font-size: var(--text-xs);
  }

  .toast {
    bottom: var(--space-4);
    left: var(--space-4);
    right: var(--space-4);
    transform: translateY(100px);
    text-align: center;
  }

  .toast.show {
    transform: translateY(0);
  }
}

/* === IPHONE SE / SMALL PHONES (max 375px) === */
@media (max-width: 375px) {
  .topbar {
    padding: var(--space-2);
  }

  .page-title {
    font-size: var(--text-base);
  }

  .view {
    padding: var(--space-2);
  }

  .stat-card {
    padding: var(--space-2) var(--space-3);
    gap: var(--space-2);
  }

  .stat-icon {
    width: 32px;
    height: 32px;
  }

  .stat-icon svg {
    width: 16px;
    height: 16px;
  }

  .stat-value {
    font-size: var(--text-base);
  }

  .stat-label {
    font-size: var(--text-xs);
  }

  .card {
    padding: var(--space-3);
    border-radius: var(--radius-md);
  }

  .card-header h3 {
    font-size: var(--text-base);
  }

  .chart-container {
    height: 180px;
  }

  .tx-table th,
  .tx-table td {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
  }

  .tx-cat-badge,
  .tx-type-badge {
    font-size: var(--text-xs);
    padding: 2px var(--space-1);
  }

  .modal {
    margin: var(--space-1);
    max-width: calc(100vw - var(--space-2));
  }

  .modal-form {
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .modal-header {
    padding: var(--space-3) var(--space-4);
  }

  .insight-card {
    padding: var(--space-3);
  }

  .insight-icon {
    width: 32px;
    height: 32px;
  }

  .insight-icon svg {
    width: 16px;
    height: 16px;
  }
}

/* === ULTRA SMALL (max 320px) === */
@media (max-width: 320px) {
  .summary-grid {
    gap: var(--space-2);
  }

  .stat-card {
    padding: var(--space-2);
  }

  .stat-icon {
    width: 28px;
    height: 28px;
  }

  .stat-icon svg {
    width: 14px;
    height: 14px;
  }

  .stat-value {
    font-size: var(--text-sm);
  }

  .page-title {
    font-size: var(--text-sm);
  }

  .chart-container {
    height: 160px;
  }

  .tx-table th,
  .tx-table td {
    padding: 2px 4px;
    font-size: var(--text-xs);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}