/* ============================================================
   FINANCES — Styles globaux
   Police : Inter (Google Fonts)
   Direction artistique : Finary — charcoal premium + émeraude
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:         #0A0B0D;
  --bg-soft:    #0E0F12;
  --surface:    #131417;
  --surface2:   #1C1E22;
  --surface3:   #24272C;
  --border:     #26282E;
  --border-2:   #2F323A;

  --accent:     #E6E8EB;
  --accent-h:   #D2D5D9;
  --accent-soft:rgba(230,232,235,.10);
  --on-accent:  #0A0B0D;

  --green:      #34D399;
  --green-soft: rgba(52,211,153,.14);
  --red:        #F25E62;
  --red-h:      #E04B50;
  --amber:      #F5A623;

  --text:       #F4F5F6;
  --text-2:     #9CA3AF;
  --text-3:     #6B7178;

  --radius:     10px;
  --radius-lg:  18px;
  --radius-pill:99px;

  --shadow:       0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.36);
  --shadow-hover: 0 4px 14px rgba(0,0,0,.42), 0 18px 44px rgba(0,0,0,.5);
  --ring:         0 0 0 3px var(--accent-soft);

  --nav-h:      60px;
}

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

html { font-size: 15px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Chiffres financiers : largeur fixe pour alignement parfait */
.num, .kpi-value, .editable, td.num, th.num,
#total-display, .total-col { font-variant-numeric: tabular-nums; }

/* ── Topnav ────────────────────────────────────────────────── */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(12,13,15,.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 0.25rem;
  z-index: 100;
}

.topnav .brand {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.01em;
  margin-right: 1.5rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: .4rem;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.nav-tab {
  padding: .5rem 1rem;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--text-2);
  font: inherit;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .18s, color .18s;
  white-space: nowrap;
}
.nav-tab:hover { background: var(--surface2); color: var(--text); }
.nav-tab.active { background: var(--accent); color: var(--on-accent); font-weight: 600; }

.nav-right {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
}

/* ── Layout shell ──────────────────────────────────────────── */
.shell-main {
  padding-top: var(--nav-h);
  height: 100vh;
}

.shell-main iframe {
  width: 100%;
  height: calc(100vh - var(--nav-h));
  border: none;
  display: none;
}
.shell-main iframe.active { display: block; }

/* ── Page frame ────────────────────────────────────────────── */
.page-wrap {
  padding: 2rem 2rem;
  max-width: 1240px;
  margin: 0 auto;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  gap: 1rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}

/* ── Cartes KPI ─────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.kpi-card {
  background: linear-gradient(155deg, #15171B 0%, var(--surface) 60%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.4rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-2);
}

.kpi-card .kpi-label {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
  margin-bottom: .65rem;
}

.kpi-card .kpi-value {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -.025em;
  color: var(--text);
  line-height: 1.05;
}

.kpi-card .kpi-sub {
  font-size: .75rem;
  color: var(--text-2);
  margin-top: .4rem;
}

.kpi-card.green .kpi-value { color: var(--green); }
.kpi-card.red   .kpi-value { color: var(--red); }
.kpi-card.blue  .kpi-value { color: var(--text); }

/* ── Cartes / panneaux génériques ───────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
  margin-bottom: 1.1rem;
}

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}

thead tr { background: var(--bg-soft); }

thead th {
  padding: .75rem .95rem;
  text-align: left;
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

thead th.num, tbody td.num { text-align: right; }

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,.025); }

tbody td {
  padding: .7rem .95rem;
  color: var(--text);
  vertical-align: middle;
}

/* Sous-totaux */
.row-subtotal td {
  background: var(--surface2);
  font-weight: 600;
  color: var(--text);
  font-size: .8rem;
}

/* Section headers dans le tableau budget */
.row-section td {
  background: var(--bg-soft);
  padding: .55rem .95rem;
  font-size: .67rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-2);
  border-top: 1px solid var(--border);
}

/* ── Cellules éditables ────────────────────────────────────── */
.editable {
  cursor: pointer;
  border-radius: 6px;
  padding: .25rem .45rem;
  min-width: 70px;
  display: inline-block;
  text-align: right;
  transition: background .12s, box-shadow .12s;
}
.editable:hover { background: var(--surface2); box-shadow: inset 0 0 0 1px var(--border-2); }
.editable.editing { background: var(--surface2); box-shadow: var(--ring); }

.editable input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font: inherit;
  font-variant-numeric: tabular-nums;
  text-align: right;
  width: 80px;
}

/* Valeur calculée auto */
.auto-val { color: var(--text-2); font-style: italic; }

/* ── Formulaires ─────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: .95rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

label {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-3);
}

input, select, textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  font-size: .88rem;
  padding: .6rem .8rem;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--ring);
}
input::placeholder, textarea::placeholder { color: var(--text-3); }

select option { background: var(--surface2); }

/* ── Boutons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .6rem 1.2rem;
  border-radius: var(--radius);
  border: none;
  font: inherit;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, opacity .15s, transform .08s;
  white-space: nowrap;
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover:not(:disabled) { background: var(--accent-h); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { background: var(--surface2); color: var(--text); border-color: var(--border-2); }

.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover:not(:disabled) { background: var(--red-h); }

.btn-green { background: var(--green); color: #06251A; }
.btn-green:hover:not(:disabled) { background: #2BBF87; }

.btn-sm { padding: .38rem .8rem; font-size: .8rem; }
.btn-icon { padding: .42rem; border-radius: 8px; }

/* ── Badge / pill ────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .7rem;
  border-radius: var(--radius-pill);
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.badge-blue   { background: rgba(96,165,250,.14); color: #93c5fd; }
.badge-green  { background: var(--green-soft);    color: #6ee7b7; }
.badge-red    { background: rgba(242,94,98,.15);  color: #f7a5a7; }
.badge-amber  { background: rgba(245,166,35,.15); color: #fcd34d; }
.badge-gray   { background: rgba(156,163,175,.1); color: var(--text-2); }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-backdrop.hidden { display: none; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-hover);
  animation: modalIn .22s cubic-bezier(.2,.8,.2,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.4rem;
  border-bottom: 1px solid var(--border);
}

.modal-title { font-size: 1.05rem; font-weight: 700; letter-spacing: -.01em; }

.modal-body { padding: 1.4rem; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: .65rem;
  padding: 1.1rem 1.4rem;
  border-top: 1px solid var(--border);
}

/* ── Toast ───────────────────────────────────────────────────── */
.toast-zone {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  z-index: 999;
}

.toast {
  display: flex;
  align-items: center;
  gap: .65rem;
  background: var(--surface2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: .8rem 1.1rem;
  font-size: .85rem;
  box-shadow: var(--shadow-hover);
  animation: slideIn .22s ease;
  min-width: 260px;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--red); }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Auth page ───────────────────────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(255,255,255,.05), transparent 70%),
    var(--bg);
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2.25rem;
  width: 100%;
  max-width: 410px;
  box-shadow: var(--shadow-hover);
}

.auth-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.01em;
  text-align: center;
  margin-bottom: 1.85rem;
}

.auth-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 1.5rem;
  text-align: center;
}

.auth-form { display: flex; flex-direction: column; gap: .9rem; }

.auth-form .btn { width: 100%; justify-content: center; margin-top: .5rem; }

.auth-switch {
  text-align: center;
  margin-top: 1.35rem;
  font-size: .8rem;
  color: var(--text-2);
}
.auth-switch a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.auth-switch a:hover { text-decoration: underline; }

.auth-error {
  background: rgba(242,94,98,.1);
  border: 1px solid rgba(242,94,98,.3);
  border-radius: var(--radius);
  padding: .7rem .9rem;
  font-size: .8rem;
  color: #f7a5a7;
  display: none;
}
.auth-error.show { display: block; }

/* ── État vide ────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 1.5rem;
  text-align: center;
  color: var(--text-3);
  gap: .8rem;
}
.empty-state svg { opacity: .35; }
.empty-state p { font-size: .85rem; }

/* ── Helpers ─────────────────────────────────────────────────── */
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-amber  { color: var(--amber); }
.text-muted  { color: var(--text-2); }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-bold   { font-weight: 600; }

.hidden { display: none !important; }

.divider {
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
}

.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }

/* ── Loader spinner ──────────────────────────────────────────── */
.spinner {
  width: 22px; height: 22px;
  border: 2px solid var(--border-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 10;
}
.loading-overlay.hidden { display: none; }

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── Budget table spécifique ─────────────────────────────────── */
.budget-table th.month-col { min-width: 80px; }
.budget-table td.line-label {
  font-size: .82rem;
  color: var(--text-2);
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.budget-table td.line-label.bold {
  font-weight: 600;
  color: var(--text);
}
.budget-table td.total-col {
  font-weight: 700;
  color: var(--text);
  border-left: 1px solid var(--border);
}
.budget-table .neg { color: var(--red); }
.budget-table .pos { color: var(--green); }

/* Filtre mois actif */
.month-nav {
  display: flex;
  gap: .25rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.month-btn {
  padding: .35rem .7rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  font: inherit;
  font-size: .75rem;
  cursor: pointer;
  transition: all .15s;
}
.month-btn:hover { background: var(--surface2); color: var(--text); }
.month-btn.active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

/* ── Drag-handle (paramètres) ────────────────────────────────── */
.drag-handle {
  cursor: grab;
  color: var(--text-3);
  padding: .25rem;
}
.drag-handle:active { cursor: grabbing; }

/* ── Chips de période (Dashboard, Budget, Investissement) ───── */
.period-chips { display: flex; gap: .25rem; flex-wrap: wrap; }
.period-chip {
  padding: .45rem .9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  font: inherit; font-size: .8rem; font-weight: 500;
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.period-chip:hover { background: var(--surface2); color: var(--text); }
.period-chip.active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-weight: 600; }

/* ── Year-nav (Dashboard, Budget, Investissement) ───────────── */
.year-nav { display: flex; align-items: center; gap: .5rem; }
.year-nav button {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); font: inherit; font-size: .9rem;
  padding: .3rem .65rem; border-radius: var(--radius); cursor: pointer;
  transition: all .15s;
}
.year-nav button:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.year-nav button:disabled { opacity: .35; cursor: not-allowed; }
.year-nav #year-display { font-size: 1rem; font-weight: 700; min-width: 52px; text-align: center; }

/* ── Accessibilité : réduire les animations ─────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .kpi-card:hover { transform: none; }
}