/* Thème sombre : fond nuit dégradé + halos colorés + trame de points ; cartes en verre dépoli.
   Palette catégorielle validée pour fond sombre (bleu, orange, aqua, jaune, magenta). */
:root {
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500; --series-5: #d55181;
  --bg-1: #0b1020; --bg-2: #121a33;
  --card: rgba(22, 29, 52, .72); --card-solid: #161d34; --card-border: rgba(var(--tint), .08);
  --ink: #eef0f6; --muted: #9aa1b5; --line: rgba(var(--tint), .07);
  --pos: #2ec48d; --neg: #ff6b6b;
  --radius: 16px; --shadow: 0 8px 30px rgba(0, 0, 0, .35); --shadow-hover: 0 14px 40px rgba(0, 0, 0, .5), 0 0 0 1px rgba(var(--accent-rgb), .35);
  --ease: cubic-bezier(.2, .8, .2, 1);
}
/* Thèmes (users.theme, posé sur <html data-theme>) : nuit (défaut), moka, foret, prune, clair. */
:root {
  --accent: #3987e5; --accent-2: #6250d6; --accent-rgb: 57, 135, 229; --link: #7fb2ff;
  --halo-2: 213, 81, 129; --halo-3: 25, 158, 112; --tint: 255, 255, 255; --nav-bg: rgba(11, 16, 32, .7);
  --grad: linear-gradient(135deg, var(--accent), var(--accent-2));
}
[data-theme="moka"] {
  --bg-1: #14100d; --bg-2: #241b15; --card: rgba(42, 32, 25, .78); --card-solid: #2a2019; --ink: #f3ece4; --muted: #b5a698;
  --accent: #c08552; --accent-2: #8b5a3c; --accent-rgb: 192, 133, 82; --link: #e3b48a;
  --halo-2: 139, 90, 60; --halo-3: 201, 133, 0; --nav-bg: rgba(20, 16, 13, .78);
}
[data-theme="foret"] {
  --bg-1: #07120e; --bg-2: #0f2119; --card: rgba(16, 37, 29, .78); --card-solid: #10251d; --ink: #ecf3ee; --muted: #9db4a8;
  --accent: #2fa874; --accent-2: #b8932a; --accent-rgb: 47, 168, 116; --link: #8fe0b8;
  --halo-2: 184, 147, 42; --halo-3: 47, 168, 116; --nav-bg: rgba(7, 18, 14, .78);
}
[data-theme="prune"] {
  --bg-1: #120b16; --bg-2: #201328; --card: rgba(40, 23, 48, .78); --card-solid: #281730; --ink: #f4edf3; --muted: #b8a5b6;
  --accent: #c25b9a; --accent-2: #7b4bc4; --accent-rgb: 194, 91, 154; --link: #f0a6cf;
  --halo-2: 123, 75, 196; --halo-3: 217, 89, 38; --nav-bg: rgba(18, 11, 22, .78);
}
/* Clair : blanc + marron, comme le tableur d'origine */
[data-theme="clair"] {
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100; --series-5: #e87ba4;
  --bg-1: #f6f1ea; --bg-2: #ffffff; --card: rgba(255, 255, 255, .94); --card-solid: #ffffff; --card-border: rgba(107, 83, 68, .2);
  --ink: #2b2118; --muted: #7a685a; --line: rgba(107, 83, 68, .14); --tint: 107, 83, 68;
  --accent: #6b5344; --accent-2: #a0785a; --accent-rgb: 107, 83, 68; --link: #7a5236;
  --halo-2: 232, 213, 191; --halo-3: 214, 190, 160; --nav-bg: rgba(107, 83, 68, .97);
  --pos: #1b8a5a; --neg: #c0392b;
  --shadow: 0 2px 10px rgba(80, 60, 40, .08); --shadow-hover: 0 8px 24px rgba(80, 60, 40, .14), 0 0 0 1px rgba(107, 83, 68, .3);
}
[data-theme="clair"] .bg-anim i { opacity: .18; }
[data-theme="clair"] .app-nav .nav-link { color: rgba(255, 255, 255, .78); }
[data-theme="clair"] .app-nav .nav-link:hover, [data-theme="clair"] .app-nav .nav-link.active { color: #fff; }
[data-theme="clair"] .app-nav .nav-link::after { background: #e8d5bf; }
[data-theme="clair"] .month-card { padding-top: 0; overflow: hidden; }
[data-theme="clair"] .month-card h2 { margin: 0 -1rem .5rem; padding: .55rem 1rem; background: var(--accent); color: #fff;
  font: 700 1.7rem "Amatic SC", "Playfair Display", serif; text-align: center; letter-spacing: .04em; }
[data-theme="clair"] .month-section { color: var(--accent); font-weight: 700; background: #e8d5bf; margin-left: -1rem; margin-right: -1rem; padding: .2rem 1rem; }
[data-theme="clair"] .remaining { background: var(--accent); color: #fff; }
[data-theme="clair"] .remaining.neg { background: var(--neg); }
[data-theme="clair"] .envelope.alert-over { background: #fbe9e7; }
[data-theme="clair"] .app-nav { --ink: #fff; --muted: #e8d5bf; --tint: 255, 255, 255; --card-solid: #6b5344; color-scheme: dark; }
[data-theme="clair"] .text-success { color: #1b8a5a !important; }

html { --bs-body-bg: var(--bg-1); --bs-body-color: var(--ink); --bs-secondary-color: var(--muted); --bs-border-color: rgba(var(--tint), .12); }
html { background: var(--bg-1); }
body {
  min-height: 100vh; color: var(--ink); font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(900px 600px at 10% -10%, rgba(var(--accent-rgb), .22), transparent 60%),
    radial-gradient(700px 500px at 100% 10%, rgba(var(--halo-2), .16), transparent 60%),
    radial-gradient(800px 600px at 50% 110%, rgba(var(--halo-3), .14), transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg-1) 60%);
  background-attachment: fixed;
}
/* Fond animé (repris du modèle site_sport) : grille en perspective qui défile + orbes colorés qui dérivent */
.bg-anim { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-anim::before {
  content: ""; position: absolute; inset: -50%;
  background-image: linear-gradient(rgba(var(--tint), .035) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--tint), .035) 1px, transparent 1px);
  background-size: 48px 48px; transform: perspective(600px) rotateX(55deg); animation: bg-grid 18s linear infinite; will-change: transform;
  -webkit-mask-image: radial-gradient(closest-side, #000 30%, transparent); mask-image: radial-gradient(closest-side, #000 30%, transparent);
}
.bg-anim i { position: absolute; border-radius: 50%; opacity: .3; animation: bg-drift 22s ease-in-out infinite alternate; will-change: transform; }
.bg-anim i:nth-child(1) { width: 820px; height: 820px; background: radial-gradient(closest-side, var(--accent), transparent); top: -310px; right: -230px; }
.bg-anim i:nth-child(2) { width: 720px; height: 720px; background: radial-gradient(closest-side, var(--accent-2), transparent); bottom: -310px; left: 8%; opacity: .22; animation-duration: 28s; }
.bg-anim i:nth-child(3) { width: 600px; height: 600px; background: radial-gradient(closest-side, var(--series-5), transparent); top: 30%; right: 20%; opacity: .12; animation-duration: 34s; }
@keyframes bg-drift { to { transform: translate(-120px, 90px) scale(1.15); } }
@keyframes bg-grid { to { transform: perspective(600px) rotateX(55deg) translateY(48px); } }
.text-muted { color: var(--muted) !important; }
a { color: var(--link); }
h1, .h3 { font-weight: 700; letter-spacing: -.01em; }

/* Navigation */
.app-nav { background: var(--nav-bg); backdrop-filter: blur(14px); border-bottom: 1px solid var(--card-border); position: sticky; top: 0; z-index: 1030; }
.app-nav::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--series-5), transparent); opacity: .7; }
.app-nav .nav-link { position: relative; transition: color .2s; white-space: nowrap; font-size: .95rem; }
.app-nav .btn { white-space: nowrap; }
.app-nav .nav-link::after {
  content: ""; position: absolute; left: .5rem; right: .5rem; bottom: .2rem; height: 2px; border-radius: 2px; background: var(--accent);
  transform: scaleX(0); transition: transform .3s var(--ease);
}
.app-nav .nav-link:hover::after, .app-nav .nav-link.active::after { transform: scaleX(1); }
.brand-dot { display: inline-block; width: .7rem; height: .7rem; margin-right: .5rem; border-radius: 50%;
  background: conic-gradient(var(--accent), var(--series-3), var(--series-4), var(--series-2), var(--series-5), var(--accent));
  box-shadow: 0 0 12px rgba(var(--accent-rgb), .8); animation: spin 6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Cartes en verre dépoli */
.card, .list-group { border: 1px solid var(--card-border); border-radius: var(--radius); background: var(--card);
  backdrop-filter: blur(12px); box-shadow: var(--shadow); color: var(--ink); }
.card { transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.list-group-item { background: transparent; color: var(--ink); border-color: var(--line); transition: background .2s, transform .2s var(--ease); }
.list-group-item:hover { background: rgba(var(--tint), .03); }
.list-group-item-action:hover { color: var(--ink); background: rgba(var(--accent-rgb), .08); transform: translateX(4px); }
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .5s var(--ease), transform .5s var(--ease); transition-delay: var(--delay, 0s); }

/* Lien retour en pastille */
.btn-back { display: inline-flex; align-items: center; gap: .45rem; padding: .35rem .9rem .35rem .7rem; border-radius: 99px;
  border: 1px solid var(--card-border); background: rgba(var(--tint), .05); color: var(--ink); text-decoration: none; font-size: .9rem;
  backdrop-filter: blur(8px); transition: background .2s, border-color .2s, transform .2s var(--ease); }
.btn-back:hover { color: var(--ink); background: rgba(var(--accent-rgb), .15); border-color: rgba(var(--accent-rgb), .5); }
.btn-back span { transition: transform .2s var(--ease); }
.btn-back:hover span { transform: translateX(-3px); }

/* Petits liens d'action en pastille (« Gérer », « Modifier le budget »…) */
.pill-link { display: inline-flex; align-items: center; gap: .3rem; padding: .15rem .65rem; border-radius: 99px; vertical-align: middle;
  font-size: .78rem; font-weight: 500; text-decoration: none; color: var(--link); background: rgba(var(--accent-rgb), .12);
  border: 1px solid rgba(var(--accent-rgb), .3); transition: background .2s, border-color .2s, color .2s; }
.pill-link::after { content: "→"; transition: transform .2s var(--ease); }
.pill-link:hover { color: var(--ink); background: rgba(var(--accent-rgb), .28); border-color: rgba(var(--accent-rgb), .6); }
.pill-link:hover::after { transform: translateX(2px); }
.pill-link.no-arrow::after { content: none; }

/* Formulaires et tableaux */
.form-control, .form-select { background-color: rgba(var(--tint), .04); border-color: rgba(var(--tint), .12); color: var(--ink); }
.form-control:focus, .form-select:focus { background-color: rgba(var(--tint), .07); color: var(--ink); border-color: var(--accent); box-shadow: 0 0 0 .2rem rgba(var(--accent-rgb), .3); }
.form-control::placeholder { color: var(--muted); opacity: .8; }
/* Listes déroulantes natives : fond sombre et texte clair (sinon texte clair sur fond blanc sous Windows) */
html { color-scheme: dark; }
[data-theme="clair"] { color-scheme: light; }
select option, select optgroup { background-color: var(--card-solid); color: var(--ink); }
.table { --bs-table-bg: transparent; --bs-table-color: var(--ink); --bs-table-hover-bg: rgba(var(--tint), .04); --bs-table-hover-color: var(--ink); --bs-table-border-color: var(--line); }
.table-danger { --bs-table-bg: rgba(255, 107, 107, .12); --bs-table-color: var(--ink); }
.alert { border-radius: 12px; backdrop-filter: blur(10px); }
.btn { border-radius: 10px; transition: transform .15s var(--ease), box-shadow .2s; }
.btn:active { transform: scale(.96); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: 0; }
.btn-primary:hover { box-shadow: 0 6px 20px rgba(var(--accent-rgb), .45); }
.btn-outline-primary { --bs-btn-color: var(--link); --bs-btn-border-color: var(--accent); --bs-btn-hover-bg: var(--accent); --bs-btn-hover-border-color: var(--accent); --bs-btn-active-bg: var(--accent); --bs-btn-active-border-color: var(--accent); }
.text-bg-primary { background: var(--accent) !important; color: #fff !important; }
.theme-select { min-width: 8.5rem; }
summary { cursor: pointer; color: var(--muted); }

/* Indicateurs */
.kpi { position: relative; overflow: hidden; padding-left: 1.4rem; }
.kpi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--kpi); box-shadow: 0 0 14px var(--kpi); }
.kpi::after { content: ""; position: absolute; right: -40px; top: -40px; width: 130px; height: 130px; border-radius: 50%;
  background: radial-gradient(closest-side, var(--kpi), transparent); opacity: .25; transition: transform .4s var(--ease); }
.kpi:hover::after { transform: scale(1.5); }
.kpi-income { --kpi: var(--series-3); } .kpi-expense { --kpi: var(--series-2); }
.kpi-balance { --kpi: var(--accent); } .kpi-assign { --kpi: var(--series-4); }

/* Enveloppes */
.envelope { border-left: 4px solid var(--cat-color, #6c757d); }
.envelope.alert-over { background: rgba(255, 107, 107, .1); border-left-color: var(--neg); animation: pulse 2s ease-in-out 3; }
.envelope.alert-over .amount-spent { color: var(--neg); font-weight: 700; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(255, 107, 107, .18); } }

/* Enveloppe cliquable sur l'accueil */
.envelope-link { color: inherit; text-decoration: none; }
.envelope-link:hover { color: inherit; border-color: var(--cat-color); }
.envelope-link strong::after { content: "→"; margin-left: .4rem; opacity: 0; display: inline-block; transform: translateX(-4px); transition: opacity .2s, transform .2s var(--ease); }
.envelope-link:hover strong::after, .envelope-link:focus-visible strong::after { opacity: 1; transform: none; }

/* Barres de progression */
.progress { height: 1.1rem; border-radius: 99px; background: rgba(var(--tint), .07); }
.progress-bar { border-radius: 99px; transition: width 1.1s var(--ease); background-image: linear-gradient(90deg, transparent, rgba(255, 255, 255, .2)); }
.progress-bar.bg-success { background-color: var(--series-3) !important; }
.progress-bar.bg-warning { background-color: var(--series-4) !important; }
.progress-bar.bg-danger { background-color: var(--neg) !important; }

/* Soldes Tricount */
.balance-bar { flex: 1; position: relative; height: 8px; border-radius: 4px; background: rgba(var(--tint), .07); }
.balance-bar::before { content: ""; position: absolute; left: 50%; top: -3px; bottom: -3px; width: 2px; background: rgba(var(--tint), .25); }
.balance-bar span { position: absolute; top: 0; bottom: 0; width: 0; border-radius: 4px; transition: width 1s var(--ease); }
.balance-bar span.pos { left: calc(50% + 1px); background: var(--pos); }
.balance-bar span.neg { right: calc(50% + 1px); background: var(--neg); }
.balance-bar.in span { width: var(--w); }
.member-name { width: 6.5rem; flex-shrink: 0; }

/* Suivi mensuel façon tableur : colonnes défilantes, empilées sur téléphone */
.months { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(270px, 1fr); gap: 1rem; overflow-x: auto; padding-bottom: .75rem; scroll-snap-type: x proximity; }
.months > .card { scroll-snap-align: start; }
.month-card.current { border-color: rgba(var(--accent-rgb), .6); box-shadow: var(--shadow), 0 0 24px rgba(var(--accent-rgb), .25); }
.month-section { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: .9rem 0 .35rem; }
.line { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .2rem 0; border-bottom: 1px dashed var(--line); }
.line .del { opacity: 0; border: 0; background: none; color: var(--neg); padding: 0 .25rem; transition: opacity .2s; }
.line:hover .del, .line .del:focus { opacity: 1; }
.line-total { font-weight: 600; border-bottom: 0; }
.remaining { border-radius: 10px; padding: .5rem .75rem; background: rgba(46, 196, 141, .12); }
.remaining.neg { background: rgba(255, 107, 107, .14); }
.year-chip { border: 1px solid var(--card-border); border-radius: 12px; padding: .6rem 1rem; background: rgba(var(--tint), .04); }

/* Graphiques */
.chart-box { position: relative; height: 260px; }

/* Saisie rapide */
.quick-entry { background: linear-gradient(120deg, rgba(var(--accent-rgb), .18), rgba(var(--halo-3), .12)), var(--card); }
[data-theme="clair"] .quick-entry { background: linear-gradient(120deg, #f3e7d8, #fff); }
[data-theme="clair"] .form-control, [data-theme="clair"] .form-select { background-color: #fff; }
[data-theme="clair"] .app-nav .form-select { background-color: rgba(255, 255, 255, .12); }
.quick-entry input { font-size: 1.15rem; }
.flash-in { animation: slideDown .45s var(--ease); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-12px); } }
.shake { animation: shake .4s; }
@keyframes shake { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }

.color-dot { display: inline-block; width: .8rem; height: .8rem; border-radius: 50%; vertical-align: middle; }
.amount { white-space: nowrap; text-align: right; font-variant-numeric: tabular-nums; }


/* Connexion / inscription (repris du modèle) : projecteur qui suit la souris, carte inclinée, particules,
   secousse rouge en cas d'échec, coche animée + onde + confettis en cas de succès. */
:root { --spring: cubic-bezier(.34, 1.56, .64, 1); }
.auth-body .bg-anim i { opacity: .2; }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-spot { position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(420px circle at var(--mx, 70%) var(--my, 30%), rgba(var(--accent-rgb), .22), transparent 60%); }
.auth-dots { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.auth-dots i { position: absolute; width: 4px; height: 4px; border-radius: 50%; background: var(--link); opacity: .5; box-shadow: 0 0 10px var(--link); animation: auth-float 9s ease-in-out infinite alternate; }
@keyframes auth-float { to { transform: translate(30px, -60px); opacity: .1; } }
.auth-wrap { width: min(420px, 100%); perspective: 900px; }
.auth-card {
  position: relative; overflow: hidden; padding: 30px 26px; border-radius: 24px; border: 1px solid var(--card-border);
  background: var(--card); backdrop-filter: blur(16px); box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .8);
  transform: rotateY(var(--ry, 0deg)) rotateX(var(--rx, 0deg)); transition: transform .25s var(--ease), border-color .3s, box-shadow .3s;
  animation: auth-rise .5s var(--ease) both;
}
.auth-card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: radial-gradient(260px circle at 80% 10%, rgba(var(--accent-rgb), .18), transparent 60%); }
@keyframes auth-rise { from { opacity: 0; transform: translateY(12px); } }
.auth-brand { display: flex; align-items: center; justify-content: center; gap: .6rem; font: 700 1.5rem "Playfair Display", Georgia, serif; }
.auth-logo { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--grad); font: 700 1.1rem Inter, sans-serif; box-shadow: 0 6px 18px -4px var(--accent); }
.auth-card h1 { text-align: center; font: 700 1.9rem "Playfair Display", Georgia, serif; margin: 14px 0 4px; }
.auth-subtitle { text-align: center; color: var(--muted); margin-bottom: 20px; }
.auth-tabs { position: relative; display: grid; grid-template-columns: 1fr 1fr; padding: 4px; margin-bottom: 18px; border-radius: 12px; background: rgba(var(--tint), .05); font-weight: 600; font-size: .9rem; }
.auth-tabs a { position: relative; z-index: 1; padding: 9px; border-radius: 9px; text-align: center; color: var(--muted); text-decoration: none; transition: color .2s; }
.auth-tabs a[aria-current="page"] { color: #fff; }
.auth-tabs::before { content: ""; position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px); border-radius: 9px; background: var(--grad); box-shadow: 0 6px 18px -6px var(--accent); transition: transform .35s var(--spring); }
.auth-tabs.second::before { transform: translateX(100%); }
.auth-form { display: grid; gap: 12px; }
.field { position: relative; display: block; margin: 0; }
.field input { width: 100%; height: 56px; padding: 22px 14px 6px 44px; border-radius: 12px; border: 1px solid rgba(var(--tint), .1); background: rgba(var(--tint), .05); color: var(--ink); outline: none; transition: border-color .2s, box-shadow .2s; }
.field span { position: absolute; left: 44px; top: 8px; font-size: .72rem; color: var(--muted); pointer-events: none; }
.field svg { position: absolute; left: 14px; top: 18px; width: 20px; height: 20px; fill: none; stroke: var(--muted); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: stroke .2s, transform .25s var(--spring); }
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(var(--accent-rgb), .18); }
.field:focus-within svg { stroke: var(--link); transform: scale(1.1); }
.auth-submit { position: relative; overflow: hidden; height: 54px; display: flex; align-items: center; justify-content: center; gap: 10px; font-weight: 600; box-shadow: 0 12px 30px -10px var(--accent); }
.auth-submit::after { content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent); transform: skewX(-20deg); animation: auth-shine 3s infinite; }
.auth-submit.loading { pointer-events: none; opacity: .85; }
.auth-submit.loading::before { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .35); border-top-color: #fff; animation: spin .7s linear infinite; }
@keyframes auth-shine { 60%, 100% { left: 130%; } }
.auth-alt { text-align: center; font-size: .9rem; margin: 16px 0 0; color: var(--muted); }
.auth-alt a { color: var(--link); font-weight: 600; text-decoration: none; }
.auth-alert { display: flex; align-items: center; gap: 10px; margin: 0; padding: 10px 12px; border-radius: 12px; background: rgba(255, 107, 107, .12); border: 1px solid rgba(255, 107, 107, .35); }
.auth-alert::before { content: "!"; flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--neg); color: #fff; display: grid; place-items: center; font-weight: 700; }
.auth-card.fail { border-color: rgba(255, 107, 107, .6); box-shadow: 0 0 0 4px rgba(255, 107, 107, .12), 0 30px 80px -20px rgba(0, 0, 0, .8); animation: auth-shake .5s; }
.auth-card.fail .field input { border-color: rgba(255, 107, 107, .7); }
.auth-card.fail .field svg { stroke: var(--neg); }
.auth-page.fail .auth-spot { background: radial-gradient(420px circle at var(--mx, 70%) var(--my, 30%), rgba(255, 107, 107, .18), transparent 60%); }
@keyframes auth-shake { 20%, 60% { transform: translateX(-10px); } 40%, 80% { transform: translateX(10px); } }
.auth-ok { position: absolute; inset: 0; z-index: 3; display: grid; place-items: center; align-content: center; gap: 12px; padding: 24px; text-align: center; background: var(--card-solid); border-radius: inherit; animation: auth-rise .3s var(--ease) both; }
.auth-ok h2 { margin: 8px 0 0; font: 700 1.6rem "Playfair Display", Georgia, serif; }
.auth-ok p { margin: 0; color: var(--muted); }
.auth-check { position: relative; width: 96px; height: 96px; border-radius: 50%; display: grid; place-items: center; background: var(--grad); box-shadow: 0 0 50px rgba(var(--accent-rgb), .6); animation: ok-pop .5s var(--spring) both; }
.auth-check::before, .auth-check::after { content: ""; position: absolute; inset: -14px; border-radius: 50%; border: 2px solid rgba(var(--accent-rgb), .6); animation: ok-wave 1.6s ease-out infinite; }
.auth-check::after { animation-delay: .5s; }
.auth-check svg { width: 46px; fill: none; stroke: #fff; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 40; animation: ok-draw .5s .3s both; }
.auth-bar { width: 160px; height: 4px; margin: 6px auto 0; border-radius: 4px; background: rgba(var(--tint), .08); overflow: hidden; }
.auth-bar::before { content: ""; display: block; height: 100%; background: var(--grad); animation: ok-load 1.3s var(--ease) both; }
@keyframes ok-pop { from { transform: scale(0); } }
@keyframes ok-wave { to { inset: -50px; opacity: 0; } }
@keyframes ok-draw { from { stroke-dashoffset: 40; } }
@keyframes ok-load { from { width: 0; } to { width: 100%; } }
.confetti { position: fixed; top: 40%; left: 50%; width: 10px; height: 14px; z-index: 2000; pointer-events: none; border-radius: 2px; animation: confetti 1.4s cubic-bezier(.15, .7, .3, 1) forwards; }
@keyframes confetti { to { transform: translate(var(--x), var(--y)) rotate(var(--r)); opacity: 0; } }
@media (max-width: 576px) { .auth-card { padding: 26px 18px; } }

/* Téléphone */
@media (max-width: 576px) {
  main.container { padding-left: 12px; padding-right: 12px; }
  h1, .h3 { font-size: 1.4rem; }
  .card-body { padding: .9rem; }
  .kpi .fs-4 { font-size: 1.15rem !important; }
  .chart-box { height: 220px; }
  .months { grid-auto-flow: row; grid-auto-columns: auto; overflow: visible; }
  .line .del { opacity: 1; }
  .table { font-size: .9rem; }
  .card:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}