:root {
  --bg: #f4f7fb;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #d9e4f2;
  --primary: #1d4ed8;
  --primary-deep: #0f2f7a;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --accent: #7c3aed;
  --ink: #0f172a;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  --radius: 24px;
  --radius-sm: 16px;
  font-family: Inter, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(29, 78, 216, 0.15), transparent 28rem),
    radial-gradient(circle at right center, rgba(16, 185, 129, 0.1), transparent 22rem),
    linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  border: 0;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.landing-shell {
  min-height: 100vh;
  padding: 32px 16px;
  display: grid;
  place-items: center;
}

.landing-hero {
  width: min(1180px, 100%);
  padding: 32px;
  border-radius: 36px;
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.18), transparent 20rem),
    radial-gradient(circle at left center, rgba(29, 78, 216, 0.18), transparent 24rem),
    rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.landing-brand,
.landing-actions,
.landing-badges {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.landing-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 24px;
}

.landing-copy {
  display: grid;
  gap: 18px;
  align-content: start;
}

.landing-card {
  padding: 24px;
  border-radius: 28px;
  background: linear-gradient(160deg, #0f172a, #123487 70%, #10b981 140%);
  color: #fff;
  box-shadow: var(--shadow);
}

.landing-card .card__label,
.landing-card .plain-list {
  color: rgba(255, 255, 255, 0.82);
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.auth-shell__panel {
  width: min(100%, 1120px);
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 0.9fr);
  gap: 24px;
  align-items: start;
}

.auth-shell__brand,
.auth-shell__copy {
  grid-column: 1;
}

.auth-tabs,
.auth-form {
  grid-column: 2;
}

.auth-shell__brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.auth-shell__copy {
  padding: 20px 0;
}

.auth-tabs {
  display: inline-flex;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.auth-tab {
  cursor: pointer;
  padding: 10px 18px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
}

.auth-tab.is-active {
  color: #fff;
  background: var(--primary);
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-form__head {
  align-items: flex-start;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 20px;
  border-right: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 28px;
}

.brand__logo {
  width: 48px;
  height: 48px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--success));
  box-shadow: var(--shadow);
}

.brand span,
.hero__text,
.card small,
.helper-text,
.plain-list,
.history-meta,
.transaction-item small,
.field span,
.mobile-nav__item,
.button--ghost,
.insight,
.assistant-answer {
  color: var(--muted);
}

.nav {
  display: grid;
  gap: 8px;
}

.nav__item,
.mobile-nav__item {
  cursor: pointer;
  text-align: left;
  font-weight: 700;
  padding: 13px 15px;
  border-radius: 16px;
  background: transparent;
  color: var(--muted);
}

.nav__item.is-active,
.mobile-nav__item.is-active {
  color: var(--primary);
  background: #eff6ff;
}

.panel {
  margin-top: 28px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.panel--dark {
  color: #fff;
  background: linear-gradient(160deg, #0f172a, #123487 70%, #10b981 140%);
  border: 0;
}

.panel--dark p {
  color: rgba(255, 255, 255, 0.78);
}

.main-content {
  padding: 28px;
}

.hero,
.section-head,
.button-row,
.capture-form__row,
.filter-row {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.hero {
  align-items: flex-start;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  font-weight: 900;
  color: var(--primary);
}

.eyebrow--light {
  color: rgba(255, 255, 255, 0.72);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 0.98;
}

h2 {
  font-size: 1.35rem;
}

.hero__account {
  min-width: 200px;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero__logout {
  padding-inline: 0;
  text-align: left;
}

.hero__account-badge,
.pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  background: #dbeafe;
  color: var(--primary);
}

.pill--success {
  background: #dcfce7;
  color: #047857;
}

.quick-capture,
.metric-grid,
.field-grid,
.report-grid {
  display: grid;
  gap: 14px;
}

.quick-capture {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 24px;
}

.capture-card,
.card,
.field,
.assistant-answer {
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.capture-card {
  padding: 18px;
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.capture-card:hover,
.button:hover {
  transform: translateY(-1px);
}

.capture-card.is-active {
  border-color: #93c5fd;
  box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.12), var(--shadow);
  background: rgba(239, 246, 255, 0.95);
}

.capture-card__icon {
  width: 44px;
  height: 44px;
  margin-bottom: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  border-radius: 16px;
}

.capture-card__icon--primary {
  background: var(--primary);
}

.capture-card__icon--success {
  background: var(--success);
}

.capture-card__icon--accent {
  background: var(--accent);
}

.capture-card__icon--ink {
  background: var(--ink);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.8fr);
  gap: 24px;
}

.column {
  display: grid;
  gap: 24px;
  align-content: start;
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  padding: 22px;
}

.card--gradient {
  color: #fff;
  background: linear-gradient(145deg, #0f172a 0%, #123487 55%, #1d4ed8 100%);
  border: 0;
}

.card__label {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card__label--light {
  color: rgba(255, 255, 255, 0.74);
}

.money {
  display: block;
  margin-bottom: 6px;
  font-size: clamp(1.9rem, 2.4vw, 2.6rem);
  letter-spacing: -0.04em;
}

.capture-form,
.stack-form {
  display: grid;
  gap: 14px;
}

.voice-recorder {
  padding: 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(219, 234, 254, 0.72), rgba(255, 255, 255, 0.96));
  border: 1px solid #bfdbfe;
}

.voice-recorder__head,
.voice-recorder__actions {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.voice-recorder__status {
  margin-top: 10px;
}

.voice-recorder__timer {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  background: rgba(15, 23, 42, 0.08);
  color: var(--ink);
}

.voice-recorder.is-recording {
  border-color: rgba(239, 68, 68, 0.32);
  box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.08);
}

.voice-recorder.is-recording .voice-recorder__timer {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}

.field {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.field span {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
}

.field input[type="file"] {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.7);
}

.field--full {
  width: 100%;
}

.field-grid,
.report-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.button {
  cursor: pointer;
  padding: 12px 16px;
  border-radius: 16px;
  font-weight: 800;
}

.button--primary {
  color: #fff;
  background: var(--primary);
}

.button--secondary {
  color: var(--primary);
  background: #e0e7ff;
}

.button--ghost {
  background: transparent;
}

.button--light {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.helper-text {
  min-height: 20px;
  margin: 12px 0 0;
}

.helper-text.is-warning {
  color: #b45309;
}

.chart-list,
.history-list,
.transaction-list,
.suggestion-list {
  display: grid;
  gap: 12px;
}

.chart-row,
.history-item,
.transaction-item,
.assistant-answer,
.report-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border);
}

.chart-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.bar-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.84);
}

.history-item,
.transaction-item {
  display: grid;
  gap: 8px;
}

.history-meta,
.transaction-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: #eff6ff;
  color: var(--primary);
}

.tag--income {
  background: #dcfce7;
  color: #047857;
}

.tag--expense {
  background: #fee2e2;
  color: #b91c1c;
}

.transaction-header,
.history-header,
.report-card {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.insight {
  line-height: 1.5;
}

.assistant-answer {
  line-height: 1.5;
}

.plain-list {
  padding-left: 18px;
  margin: 0;
}

.report-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.is-hidden {
  display: none;
}

.mobile-nav {
  display: none;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 88px 1fr;
  }

  .auth-shell__panel {
    grid-template-columns: 1fr;
  }

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

  .auth-shell__brand,
  .auth-shell__copy,
  .auth-tabs,
  .auth-form {
    grid-column: auto;
  }

  .sidebar {
    padding-inline: 12px;
  }

  .brand strong,
  .brand span,
  .panel,
  .nav__item {
    font-size: 0;
  }

  .nav__item::before {
    font-size: 18px;
  }

  .nav__item[data-view="dashboard"]::before {
    content: "⌂";
  }

  .nav__item[data-view="history"]::before {
    content: "☰";
  }

  .nav__item[data-view="reports"]::before {
    content: "◫";
  }

  .nav__item[data-view="assistant"]::before {
    content: "✦";
  }

  .nav__item[data-view="settings"]::before {
    content: "⚙";
  }

  .content-grid,
  .metric-grid,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .quick-capture {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    display: none;
  }

  .main-content {
    padding: 20px 16px 96px;
  }

  .hero,
  .section-head,
  .button-row,
  .capture-form__row,
  .filter-row {
    flex-direction: column;
    align-items: stretch;
  }

  .quick-capture,
  .report-grid {
    grid-template-columns: 1fr;
  }

  .voice-recorder__actions {
    align-items: stretch;
  }

  .chart-row {
    grid-template-columns: 92px 1fr 72px;
  }

  .mobile-nav {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 10px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    padding: 8px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
  }

  .mobile-nav__item {
    text-align: center;
    padding: 10px 4px;
    font-size: 12px;
  }
}