/* LabaToko Studio — Swiss Financial Ledger Design System
   Warm Alabaster #F6F5F1 · Pure Paper #FFFFFF · Espresso Ink #141311 · Signal Vermilion #D9381E
   24px Wide Rounded Cards · Tabular Mono Figures · Zero Gradients · Zero Shadows · Zero Emojis */
:root {
  --bg-canvas: #f6f5f1;
  --bg-surface: #ffffff;
  --bg-espresso: #141311;
  --bg-accent-soft: #fcece9;
  --bg-profit-soft: #e6f4ec;
  --bg-muted-box: #efede7;

  --color-ink: #141311;
  --color-ink-soft: #5c5852;
  --color-hairline: #e2dfd9;
  --color-border-strong: #cfc9bf;

  --color-accent: #d9381e;
  --color-accent-hover: #b82d16;
  --color-profit: #137347;

  --font-sans: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Consolas, monospace;

  --radius-card: 24px;
  --radius-btn: 12px;
  --radius-input: 10px;
  --radius-pill: 999px;
}

[data-theme="dark"] {
  --bg-canvas: #111110;
  --bg-surface: #1b1a18;
  --bg-espresso: #23211e;
  --bg-accent-soft: #361b17;
  --bg-profit-soft: #142e21;
  --bg-muted-box: #252320;

  --color-ink: #f5f3ee;
  --color-ink-soft: #b5b0a6;
  --color-hairline: #2d2b28;
  --color-border-strong: #3e3b36;

  --color-accent: #e84c30;
  --color-accent-hover: #f26046;
  --color-profit: #2fb373;
}

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

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, p {
  margin: 0;
}

.num-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.display-xl {
  font-size: clamp(30px, 3.8vw, 44px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.025em;
}

.display-lg {
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.heading-card {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.text-sm {
  font-size: 14px;
  line-height: 1.5;
}

.text-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.text-muted {
  color: var(--color-ink-soft);
}

/* Buttons — Zero gradient, zero shadow */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  border-radius: var(--radius-btn);
  padding: 11px 20px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  box-shadow: none;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

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

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

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

.btn-ghost {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-hairline);
}

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

.btn-block {
  width: 100%;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background-color: var(--bg-accent-soft);
  color: var(--color-accent);
}

.badge-profit {
  background-color: var(--bg-profit-soft);
  color: var(--color-profit);
}

.badge-neutral {
  background-color: var(--bg-muted-box);
  color: var(--color-ink-soft);
}

/* Form Fields */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-ink);
}

.input, .select, .textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-ink);
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-input);
  padding: 10px 13px;
  outline: none;
  box-shadow: none;
}

.input:focus, .select:focus, .textarea:focus {
  border-color: var(--color-accent);
}

/* Cards — Wide 24px Rounded Corners */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  padding: 26px 28px;
  box-shadow: none;
}

.card-espresso {
  background-color: var(--bg-espresso);
  color: #f5f3ee;
  border: 1px solid #2d2b28;
  border-radius: var(--radius-card);
  padding: 30px 32px;
  box-shadow: none;
}

.card-profit {
  background-color: var(--bg-profit-soft);
  color: var(--color-ink);
  border: 1px solid var(--color-profit);
  border-radius: var(--radius-card);
  padding: 22px 24px;
}

.card-alert {
  background-color: var(--bg-accent-soft);
  color: var(--color-ink);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-card);
  padding: 22px 24px;
}

.card-muted {
  background-color: var(--bg-muted-box);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  padding: 22px 24px;
}

/* Login Screen */
.login-screen {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  background-color: var(--bg-canvas);
}

.login-showcase {
  background-color: #141311;
  color: #f5f3ee;
  padding: 52px 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 4px solid #d9381e;
}

.login-form-wrap {
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
  max-width: 460px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.brand-mark svg {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.login-list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.login-list-item {
  display: flex;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14.5px;
  color: #dcd8cf;
}

/* App Shell */
.app-shell {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background-color: var(--bg-surface);
  border-right: 1px solid var(--color-hairline);
  padding: 26px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 0;
  height: 100vh;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 26px;
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 11px 14px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.nav-btn-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-btn:hover {
  background-color: var(--bg-canvas);
}

.nav-btn.active {
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
}

.nav-count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-muted-box);
  color: var(--color-ink);
}

.nav-btn.active .nav-count {
  background-color: #ffffff;
  color: #141311;
}

.main-area {
  min-width: 0;
  padding: 32px 38px 80px;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
}

.topbar-mobile, .bottom-nav-mobile {
  display: none;
}

/* Grids */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.wizard-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: start;
}

.stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  padding: 22px 24px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.2;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}

/* Stepper */
.stepper {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.step-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background-color: var(--bg-surface);
  border: 1px solid var(--color-hairline);
  border-radius: 16px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  color: var(--color-ink);
}

.step-tab.active {
  border-color: var(--color-accent);
  background-color: var(--bg-accent-soft);
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background-color: var(--bg-muted-box);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.step-tab.active .step-num {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* Preset Grid */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.preset-chip {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--color-hairline);
  background-color: var(--bg-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  line-height: 1.35;
}

.preset-chip:hover, .preset-chip.active {
  background-color: var(--bg-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Ledger Receipt Rows */
.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-hairline);
  font-size: 14px;
}

.ledger-row:last-child {
  border-bottom: none;
}

.ledger-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-radius: 14px;
  background-color: var(--bg-profit-soft);
  border: 1px solid var(--color-profit);
  font-weight: 700;
  margin-top: 12px;
}

.ledger-total.loss {
  background-color: var(--bg-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Audit Score & Checklist */
.score-meter {
  width: 100%;
  height: 10px;
  background-color: var(--bg-muted-box);
  border-radius: 999px;
  overflow: hidden;
  margin: 10px 0;
}

.score-meter-fill {
  height: 100%;
  background-color: var(--color-profit);
  transition: width 0.25s ease;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  line-height: 1.35;
  padding: 8px 10px;
  border-radius: 10px;
  background-color: var(--bg-canvas);
}

.check-dot {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

.check-dot.ok {
  background-color: var(--color-profit);
  color: #ffffff;
}

.check-dot.warn {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* Library */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-pill {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background-color: var(--bg-surface);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
}

.filter-pill.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.lib-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.lib-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
}

.lib-card:hover {
  border-color: var(--color-accent);
}

/* Modal & Toast */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(20, 19, 17, 0.62);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 90;
}

.modal-backdrop.open {
  display: flex;
}

.modal-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-card);
  padding: 30px;
  max-width: 640px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #141311;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  z-index: 120;
  display: none;
}

.toast.show {
  display: block;
}

.view-panel {
  display: none;
}

.view-panel.active {
  display: block;
}

.hidden {
  display: none !important;
}

/* Responsive Mobile (390px target) */
@media (max-width: 960px) {
  .login-screen {
    grid-template-columns: 1fr;
  }
  .login-showcase {
    padding: 32px 20px;
    border-right: none;
    border-bottom: 4px solid #d9381e;
  }
  .login-form-wrap {
    padding: 28px 16px 48px;
  }
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none;
  }
  .topbar-mobile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 16px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--color-hairline);
    position: sticky;
    top: 0;
    z-index: 40;
  }
  .main-area {
    padding: 20px 16px 96px;
  }
  .grid-4, .grid-3, .grid-2, .wizard-split, .lib-grid, .check-list {
    grid-template-columns: 1fr;
  }
  .preset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .stepper {
    grid-template-columns: 1fr;
  }
  .card, .card-espresso {
    padding: 20px;
  }
  .bottom-nav-mobile {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--color-hairline);
    padding: 6px 4px;
    z-index: 50;
  }
  .mob-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 6px 2px;
    background: transparent;
    border: none;
    color: var(--color-ink-soft);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 10px;
  }
  .mob-nav-item svg {
    width: 18px;
    height: 18px;
  }
  .mob-nav-item.active {
    color: var(--color-accent);
    background-color: var(--bg-accent-soft);
    font-weight: 700;
  }
  .toast {
    left: 16px;
    right: 16px;
    bottom: 76px;
  }
}