/* =========================================================================
   Budget Événement — design system
   Palette chaleureuse et éditoriale (serif display + sans body), pensée pour
   un univers événementiel/mariage. Tout le CSS est écrit à la main, sans
   framework. Variables en :root pour le thème clair, surchargées en sombre.
   ========================================================================= */

:root {
  /* Couleurs — thème clair */
  --color-bg: #faf7f2;
  --color-bg-elevated: #ffffff;
  --color-bg-soft: #f3ece4;
  --color-text: #2b2420;
  --color-text-muted: #6f6558;
  --color-border: #e7ddd0;
  --color-accent: #b8794f;
  --color-accent-strong: #9c5f3a;
  --color-accent-soft: #f1e0d1;
  --color-success: #3f7a5c;
  --color-success-soft: #e2efe7;
  --color-warning: #b8863f;
  --color-warning-soft: #f6ecd9;
  --color-danger: #b8503f;
  --color-danger-soft: #f7e3de;
  --color-focus-ring: rgba(184, 121, 79, 0.35);

  /* Rayons, ombres, espacements */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(43, 36, 32, 0.06);
  --shadow-md: 0 8px 24px -8px rgba(43, 36, 32, 0.16), 0 2px 6px rgba(43, 36, 32, 0.08);
  --shadow-lg: 0 24px 48px -16px rgba(43, 36, 32, 0.24);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;

  /* Typographie */
  --font-display: ui-serif, Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  --font-body: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #1b1712;
    --color-bg-elevated: #241f19;
    --color-bg-soft: #2c251d;
    --color-text: #f3ece1;
    --color-text-muted: #b8ab98;
    --color-border: #3a3226;
    --color-accent: #d99a67;
    --color-accent-strong: #e8b587;
    --color-accent-soft: #3a2c1f;
    --color-success: #6fbf95;
    --color-success-soft: #223a2c;
    --color-warning: #d9ab5f;
    --color-warning-soft: #3a2f1c;
    --color-danger: #d97e6a;
    --color-danger-soft: #3a231c;
    --color-focus-ring: rgba(217, 154, 103, 0.35);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --color-bg: #1b1712;
  --color-bg-elevated: #241f19;
  --color-bg-soft: #2c251d;
  --color-text: #f3ece1;
  --color-text-muted: #b8ab98;
  --color-border: #3a3226;
  --color-accent: #d99a67;
  --color-accent-strong: #e8b587;
  --color-accent-soft: #3a2c1f;
  --color-success: #6fbf95;
  --color-success-soft: #223a2c;
  --color-warning: #d9ab5f;
  --color-warning-soft: #3a2f1c;
  --color-danger: #d97e6a;
  --color-danger-soft: #3a231c;
  --color-focus-ring: rgba(217, 154, 103, 0.35);
  color-scheme: dark;
}

/* -------------------------------------------------------------------------
   Reset & base
   ------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

/* L'attribut [hidden] doit toujours l'emporter, même sur un composant qui fixe son propre
   `display` (ex. .alert, .command-palette-overlay) : sans ce garde-fou, une règle de classe à
   spécificité égale bat le style par défaut du navigateur et l'élément reste visible. */
[hidden] {
  display: none !important;
}

a {
  color: var(--color-accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
}

h3 {
  font-size: 1.35rem;
}

p {
  margin: 0 0 var(--space-4);
  color: var(--color-text);
}

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

ul {
  padding-left: 1.2em;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: var(--space-5);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    animation: fadeIn 0.5s ease-out both;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(6px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* -------------------------------------------------------------------------
   Navbar
   ------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.navbar__brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.navbar__brand:hover {
  text-decoration: none;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.navbar__links {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__links a {
  color: var(--color-text-muted);
  font-weight: 500;
}

.navbar__links a:hover {
  color: var(--color-text);
  text-decoration: none;
}

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

/* -------------------------------------------------------------------------
   Boutons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  text-decoration: none;
  line-height: 1;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--color-focus-ring);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  box-shadow: var(--shadow-md);
}

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

.btn--ghost:hover {
  background: var(--color-bg-soft);
}

.btn--danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.btn--sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
}

.btn--block {
  width: 100%;
}

/* -------------------------------------------------------------------------
   Cartes
   ------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card--interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-2);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

.grid--cards {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

/* -------------------------------------------------------------------------
   Badges & alertes
   ------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
}

.badge--premium {
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.badge--free {
  background: var(--color-bg-soft);
  color: var(--color-text-muted);
}

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

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

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.alert--success {
  background: var(--color-success-soft);
  border-color: transparent;
  color: var(--color-success);
}

.alert--warning {
  background: var(--color-warning-soft);
  border-color: transparent;
  color: var(--color-warning);
}

.alert--danger {
  background: var(--color-danger-soft);
  border-color: transparent;
  color: var(--color-danger);
}

/* -------------------------------------------------------------------------
   Formulaires
   ------------------------------------------------------------------------- */
.field {
  margin-bottom: var(--space-5);
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: var(--space-2);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="number"],
.field input[type="date"],
.field textarea,
.field select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-focus-ring);
}

.field .form-help {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.field .form-error {
  font-size: 0.82rem;
  color: var(--color-danger);
  margin-top: var(--space-1);
}

/* -------------------------------------------------------------------------
   Palette de commandes (Ctrl+K)
   ------------------------------------------------------------------------- */
.command-palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 16, 12, 0.45);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  z-index: 100;
}

.command-palette {
  width: min(560px, 90vw);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.command-palette__input {
  width: 100%;
  border: none;
  padding: var(--space-5);
  font-size: 1.1rem;
  font-family: var(--font-body);
  background: transparent;
  color: var(--color-text);
}

.command-palette__input:focus {
  outline: none;
}

.command-palette__list {
  list-style: none;
  margin: 0;
  padding: var(--space-2);
  max-height: 50vh;
  overflow-y: auto;
  border-top: 1px solid var(--color-border);
}

.command-palette__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-text);
}

.command-palette__item[aria-selected="true"] {
  background: var(--color-accent-soft);
}

.command-palette__hint {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  background: var(--color-bg-soft);
  cursor: pointer;
}

/* -------------------------------------------------------------------------
   Jauge de progression budgétaire
   ------------------------------------------------------------------------- */
.budget-gauge {
  --gauge-pct: 0;
  --gauge-color: var(--color-success);
  width: 156px;
  height: 156px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: conic-gradient(var(--gauge-color) calc(var(--gauge-pct) * 1%), var(--color-bg-soft) 0);
  position: relative;
}

.budget-gauge::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  background: var(--color-bg-elevated);
}

.budget-gauge__value {
  position: relative;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
}

.budget-gauge--over {
  --gauge-color: var(--color-danger);
}

.budget-gauge--warning {
  --gauge-color: var(--color-warning);
}

/* -------------------------------------------------------------------------
   Tableau des postes de dépense
   ------------------------------------------------------------------------- */
.poste-table {
  width: 100%;
  border-collapse: collapse;
}

.poste-table th,
.poste-table td {
  padding: var(--space-3) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.poste-table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.poste-table tr:last-child td {
  border-bottom: none;
}

.poste-table input[type="number"] {
  width: 100%;
  min-width: 90px;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
}

.poste-table .row--depassement td {
  background: var(--color-danger-soft);
}

/* -------------------------------------------------------------------------
   Simulateur de budget (page dédiée, plus riche que le tableau standard)
   ------------------------------------------------------------------------- */
.simulator-hero {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-6) 0;
}

.simulator-hero__icon {
  flex: 0 0 auto;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-accent-soft), var(--color-bg-soft));
}

.simulator-hero__title {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  padding: var(--space-1) 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease;
}

.simulator-hero__title:hover {
  border-bottom-color: var(--color-border);
}

.simulator-hero__title:focus {
  outline: none;
  border-bottom-color: var(--color-accent);
}

.simulator-hero__subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.simulator-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.simulator-sidebar {
  position: sticky;
  top: calc(var(--space-6) + 64px);
}

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

.poste-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.poste-row:focus-within,
.poste-row:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.poste-row--depassement {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
}

.poste-row__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  font-size: 1.1rem;
  flex: 0 0 auto;
}

.poste-row__label {
  width: 100%;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4rem 0;
}

.poste-row__label:focus {
  outline: none;
}

.poste-row__label::placeholder {
  color: var(--color-text-muted);
  font-weight: 500;
}

.poste-row__amount {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  width: 108px;
}

.poste-row__amount-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.poste-row__amount input[type="number"] {
  width: 100%;
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  font-size: 0.9rem;
}

.poste-row__amount input[type="number"]:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.poste-row__remove {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.poste-row__remove:hover {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.poste-add {
  width: 100%;
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-accent-strong);
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.poste-add:hover:not(:disabled) {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.poste-add:disabled {
  cursor: not-allowed;
  color: var(--color-text-muted);
  opacity: 0.7;
}

.poste-limit-note {
  margin-top: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

.poste-empty {
  padding: var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-md);
}

.simulator-summary {
  display: flex;
  justify-content: space-around;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  text-align: center;
}

.simulator-summary__label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.simulator-summary__value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

@media (max-width: 860px) {
  .simulator-layout {
    grid-template-columns: 1fr;
  }

  .simulator-sidebar {
    position: static;
  }

  .poste-row {
    grid-template-columns: auto 1fr auto;
    grid-template-areas:
      "icon label remove"
      "prevu prevu reel";
    row-gap: var(--space-2);
  }

  .poste-row__icon {
    grid-area: icon;
  }

  .poste-row__label {
    grid-area: label;
  }

  .poste-row__remove {
    grid-area: remove;
  }

  .poste-row__amount:nth-of-type(1) {
    grid-area: prevu;
  }

  .poste-row__amount:nth-of-type(2) {
    grid-area: reel;
  }

  .poste-row__amount {
    width: 100%;
  }
}

/* -------------------------------------------------------------------------
   Hero / landing
   ------------------------------------------------------------------------- */
.hero {
  padding: var(--space-10) 0 var(--space-8);
  background: radial-gradient(circle at top right, var(--color-accent-soft), transparent 60%);
}

.hero__eyebrow {
  color: var(--color-accent-strong);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.hero__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

.section {
  padding: var(--space-8) 0;
}

.breadcrumb {
  list-style: none;
  display: flex;
  gap: var(--space-2);
  padding: 0;
  margin: var(--space-4) 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-2);
  color: var(--color-border);
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-6);
  background: var(--color-bg-soft);
  margin-top: var(--space-10);
}

.footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.footer__heading {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------------- */
@media (max-width: 720px) {
  .navbar__links {
    display: none;
  }

  .hero {
    padding: var(--space-8) 0 var(--space-6);
  }

  .poste-table {
    display: block;
    overflow-x: auto;
  }
}