@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600&display=swap');

:root {
  --color-ink: #000000;
  --color-espresso: #1F150C;
  --color-umber: #412D15;
  --color-linen: #E1DCC9;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --radius-sm: 2px;
  --radius-md: 4px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-linen);
  line-height: 1.6;
  max-width: 80ch;
}

a {
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--color-umber);
}

/* ---- Typography ---- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: var(--space-xl);
}

h3 {
  font-size: 1.125rem;
  font-weight: 500;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  text-decoration: none;
  border: none;
  line-height: 1;
}

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

.btn-primary:hover {
  background: var(--color-umber);
  color: var(--color-linen);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-umber);
}

.btn-secondary:hover {
  background: var(--color-umber);
  color: var(--color-linen);
  transform: translateY(-1px);
}

.btn-small {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

/* ---- Inputs ---- */

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.input-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-umber);
}

.input {
  padding: 10px 0;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  border: none;
  border-bottom: 1px solid var(--color-umber);
  background: transparent;
  color: var(--color-ink);
  outline: none;
  transition: border-color 0.15s;
}

.input:focus {
  border-bottom-color: var(--color-ink);
}

.input::placeholder {
  color: var(--color-umber);
  opacity: 0.6;
}

/* ---- Cards ---- */

.card {
  background: var(--color-linen);
  border: 1px solid var(--color-umber);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

/* ---- Tabular numbers ---- */

.tabular {
  font-variant-numeric: tabular-nums;
}

/* ---- Focus states ---- */

:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

/* ---- Reduced motion ---- */

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

/* ---- Motion ---- */

@media (prefers-reduced-motion: no-preference) {
  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .hero-reveal {
    animation: rise 300ms ease-out both;
  }

  .hero-reveal.delay-100 {
    animation-delay: 100ms;
  }

  @keyframes fillBar {
    from {
      width: 0%;
    }
    to {
      width: 62%;
    }
  }

  .mockup-budget-bar-fill {
    animation: fillBar 800ms ease-out 150ms both;
  }
}

.js .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms ease-out, transform 400ms ease-out;
}

.js .reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---- Page: Landing ---- */

.landing {
  max-width: 100%;
  padding: 0;
}

.landing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(65, 45, 21, 0.12);
}

.landing-nav .wordmark {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.hero {
  padding: clamp(4rem, 8vw, 6.5rem) var(--space-xl) clamp(3.5rem, 6vw, 5rem);
  max-width: 1200px;
  margin: 0 auto;
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: var(--space-xl);
}

.hero-sub {
  font-size: 1.0625rem;
  color: var(--color-umber);
  max-width: 42ch;
  margin-top: 1.5rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
  line-height: 1.5;
}

.hero-mockup {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-espresso);
  border: 1px solid var(--color-umber);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-linen);
  font-family: var(--font-body);
  font-size: 0.875rem;
  opacity: 0.85;
  overflow: hidden;
  position: relative;
}

.hero-mockup-inner {
  width: 90%;
  height: 85%;
  border: 1px solid rgba(225, 220, 201, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
}

.mockup-sidebar {
  display: flex;
  gap: var(--space-md);
  height: 100%;
}

.mockup-sidebar-nav {
  width: 120px;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.mockup-sidebar-nav span {
  font-size: 0.75rem;
  opacity: 0.62;
  padding: 4px 0 6px;
  border-bottom: 1px solid rgba(225, 220, 201, 0.14);
}

.mockup-sidebar-nav span:first-child {
  opacity: 1;
}

.mockup-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mockup-big-number {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 4.5vw, 4rem);
  font-weight: 300;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.mockup-budget-bar {
  height: 4px;
  background: rgba(225, 220, 201, 0.15);
  border-radius: 2px;
  overflow: hidden;
}

.mockup-budget-bar-fill {
  height: 100%;
  width: 62%;
  background: var(--color-linen);
  border-radius: 2px;
}

.mockup-chart {
  flex: 1;
  border-top: 1px solid rgba(225, 220, 201, 0.15);
  padding-top: var(--space-sm);
}

.mockup-chart svg {
  width: 100%;
  height: 100%;
}

.how-it-works {
  padding: clamp(5rem, 8vw, 7rem) var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.how-it-works h2 {
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.how-step h3 {
  margin-bottom: var(--space-sm);
}

.how-step p {
  color: var(--color-umber);
  font-size: 0.9375rem;
  line-height: 1.5;
  max-width: 40ch;
}

.pricing-section {
  background: var(--color-espresso);
  color: var(--color-linen);
  padding: clamp(5rem, 8vw, 7rem) var(--space-xl);
}

.pricing-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-section h2 {
  color: var(--color-linen);
  margin-bottom: clamp(2.5rem, 4vw, 3rem);
}

.pricing-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2xl);
}

.pricing-card {
  width: 100%;
  max-width: 400px;
  background: transparent;
  border: 1px solid rgba(225, 220, 201, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.pricing-card .price {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 5rem);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.pricing-card .price span {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  opacity: 0.7;
}

.pricing-card .pricing-desc {
  color: rgba(225, 220, 201, 0.7);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.pricing-card .btn-primary {
  width: 100%;
}

.pricing-includes {
  list-style: none;
  flex: 1;
  max-width: 340px;
  padding-bottom: var(--space-xs);
}

.pricing-includes li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(225, 220, 201, 0.15);
  color: rgba(225, 220, 201, 0.75);
  font-size: 0.9375rem;
}

.pricing-includes li:last-child {
  border-bottom: none;
}

.landing-footer {
  background: var(--color-espresso);
  color: rgba(225, 220, 201, 0.55);
  padding: var(--space-2xl) var(--space-xl);
  font-size: 0.8125rem;
  border-top: 1px solid rgba(225, 220, 201, 0.12);
}

.landing-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

/* ---- Page: Login ---- */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-xl);
  transition: opacity 250ms ease;
}

.login-page.login-fade {
  opacity: 0;
}

.login-card {
  width: 100%;
  max-width: 380px;
}

.login-card .wordmark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  display: block;
  margin-bottom: var(--space-xl);
  color: var(--color-ink);
  text-decoration: none;
}

.login-card h2 {
  font-size: 1.375rem;
  margin-bottom: var(--space-xs);
}

.login-card .login-sub {
  color: var(--color-umber);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-xl) 0 var(--space-md);
  color: var(--color-umber);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.login-divider::before,
.login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(65, 45, 21, 0.2);
}

.login-resend-sub {
  color: var(--color-umber);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

/* Magic-link transition states (no flash of the form during auto-login) */
.login-loading,
.login-error {
  display: none;
}

.magic-link-pending .login-flow {
  display: none;
}

.magic-link-pending .login-loading {
  display: flex;
}

.login-loading {
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-3xl) 0;
  color: var(--color-umber);
  font-size: 0.9375rem;
}

.login-loading p {
  margin: 0;
}

.login-loader {
  width: 22px;
  height: 22px;
  border: 2px solid rgba(65, 45, 21, 0.25);
  border-top-color: var(--color-umber);
  border-radius: 50%;
  animation: login-spin 900ms linear infinite;
}

@keyframes login-spin {
  to {
    transform: rotate(360deg);
  }
}

.login-error {
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
}

.login-error.show {
  display: flex;
}

.login-error h2 {
  margin-bottom: 0;
}

.login-error .login-sub {
  margin-bottom: var(--space-md);
}

.login-error .btn {
  align-self: flex-start;
  width: 100%;
}

/* ---- Dashboard Layout ---- */

.dashboard-layout {
  display: flex;
  min-height: 100vh;
  max-width: 100%;
}

.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--color-espresso);
  color: var(--color-linen);
  display: flex;
  flex-direction: column;
  padding: var(--space-lg) 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar .wordmark {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-linen);
  text-decoration: none;
  padding: 0 var(--space-lg);
  margin-bottom: var(--space-xl);
  display: block;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar nav a {
  color: rgba(225, 220, 201, 0.6);
  text-decoration: none;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  transition: color 0.15s, background 0.15s;
}

.sidebar nav a:hover,
.sidebar nav a.active {
  color: var(--color-linen);
  background: rgba(225, 220, 201, 0.08);
}

.sidebar-footer {
  margin-top: auto;
  padding: var(--space-md) var(--space-lg);
  font-size: 0.75rem;
  color: rgba(225, 220, 201, 0.4);
}

.main-content {
  flex: 1;
  margin-left: 220px;
  padding: var(--space-xl);
  max-width: 960px;
}

/* ---- Dashboard Top Bar ---- */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-umber);
}

.topbar-left {
  font-size: 0.8125rem;
  color: var(--color-umber);
}

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

.topbar-right a,
.topbar-right button {
  font-size: 0.8125rem;
  color: var(--color-umber);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.topbar-right a:hover,
.topbar-right button:hover {
  color: var(--color-ink);
}

/* ---- Dashboard: Spend Overview ---- */

.spend-overview {
  margin-bottom: var(--space-xl);
}

.spend-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 300;
  line-height: 1;
  margin-bottom: var(--space-xs);
  font-variant-numeric: tabular-nums;
}

.spend-label {
  font-size: 0.8125rem;
  color: var(--color-umber);
  margin-bottom: var(--space-md);
}

.budget-bar {
  height: 4px;
  background: rgba(65, 45, 21, 0.15);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

.budget-bar-fill {
  height: 100%;
  background: var(--color-ink);
  border-radius: 2px;
  transition: width 0.8s ease-out;
  width: 0%;
}

.budget-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-umber);
  font-variant-numeric: tabular-nums;
}

/* ---- Dashboard: Usage Chart ---- */

.chart-section {
  margin-bottom: var(--space-xl);
}

.chart-section h3 {
  margin-bottom: var(--space-md);
}

.chart-container {
  width: 100%;
  height: 260px;
  border: 1px solid var(--color-umber);
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: var(--space-md);
  background: var(--color-linen);
  position: relative;
}

.chart-container svg {
  width: 100%;
  height: 100%;
}

.chart-tooltip {
  position: absolute;
  display: none;
  pointer-events: none;
  background: var(--color-espresso);
  color: var(--color-linen);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  z-index: 5;
  white-space: nowrap;
}

.chart-tooltip strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  margin-bottom: 2px;
}

.chart-tooltip span {
  opacity: 0.8;
}

.chart-legend {
  display: flex;
  gap: var(--space-xl);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-umber);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--color-linen);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-umber);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1;
}

.legend-swatch {
  display: block;
  flex: 0 0 auto;
  min-width: 20px;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
}

.legend-swatch.budget {
  background: transparent;
  border-top: 1px dashed var(--color-umber);
  height: 0;
}

/* ---- Dashboard: Alert History ---- */

.alert-history {
  margin-bottom: var(--space-xl);
}

.alert-history h3 {
  margin-bottom: var(--space-md);
}

.alert-list {
  list-style: none;
}

.alert-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(65, 45, 21, 0.15);
  font-size: 0.875rem;
}

.alert-list li:last-child {
  border-bottom: none;
}

.alert-tier {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.alert-date {
  color: var(--color-umber);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

.alert-empty {
  color: var(--color-umber);
  font-size: 0.875rem;
  padding: var(--space-md) 0;
}

/* ---- Settings Page ---- */

.settings-section {
  margin-bottom: var(--space-xl);
}

.settings-section h3 {
  margin-bottom: var(--space-md);
}

.key-list {
  list-style: none;
  margin-bottom: var(--space-md);
}

.key-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(65, 45, 21, 0.15);
  font-size: 0.875rem;
}

.key-list li:last-child {
  border-bottom: none;
}

.key-provider {
  font-weight: 500;
}

.key-added {
  color: var(--color-umber);
  font-size: 0.8125rem;
}

.key-remove {
  color: var(--color-umber);
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.key-remove:hover {
  color: var(--color-ink);
}

.admin-key-warning {
  background: rgba(65, 45, 21, 0.08);
  border-left: 2px solid var(--color-umber);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-umber);
}

.alert-config {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    min-width: unset;
    height: auto;
    flex-direction: row;
    padding: var(--space-sm) var(--space-md);
    overflow-x: auto;
  }

  .sidebar .wordmark {
    margin-bottom: 0;
    margin-right: var(--space-lg);
    padding: 0;
    white-space: nowrap;
  }

  .sidebar nav {
    flex-direction: row;
    gap: 0;
  }

  .sidebar nav a {
    padding: var(--space-sm) var(--space-md);
    white-space: nowrap;
  }

  .sidebar-footer {
    display: none;
  }

  .main-content {
    margin-left: 0;
    margin-top: 52px;
    padding: var(--space-md);
  }

  .landing-nav,
  .hero,
  .how-it-works,
  .pricing-inner,
  .landing-footer-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .how-steps {
    grid-template-columns: 1fr;
  }

  .pricing-card {
    max-width: 100%;
  }

  .pricing-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-xl);
  }

  .pricing-includes {
    max-width: 100%;
  }
}

/* ---- Mobile nav drawer ---- */

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-ink);
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--space-xs);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .sidebar nav {
    display: none;
  }

  .sidebar nav.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-espresso);
    flex-direction: column;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(225, 220, 201, 0.15);
  }
}