/* =============================================================================
   Charte Equancy — Talk-To-My-Data Launcher
   Couleurs (charte Equancy) :
     #DF005F  Stratégie   (rose / brand mark)
     #864593  Data & Tech (accent principal — c'est notre verticale)
     #5D52DD  Perf Market (réservé)
     #1D1D1D  Noir
     #A8A8A8  Gris
   Typos :
     Manrope          (substitut libre de Gilroy — Extrabold pour titres)
     Playfair Display (italic) — accents éditoriaux
   ============================================================================= */

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

:root {
  /* Couleurs marque Equancy */
  --eq-strategie: #DF005F;
  --eq-data-tech: #864593;
  --eq-perf-market: #5D52DD;
  --eq-black: #1D1D1D;
  --eq-gray: #A8A8A8;
  --eq-white: #ffffff;

  /* Mappage UI */
  --bg: var(--eq-white);
  --bg-elevated: #f7f8fa;
  --bg-elevated-hover: #f0f1f5;
  --accent: var(--eq-data-tech);
  --accent-hover: #6e3679;
  --accent-soft: rgba(134, 69, 147, 0.08);
  --accent-strong: rgba(134, 69, 147, 0.15);
  --brand-pink: var(--eq-strategie);
  --text: var(--eq-black);
  --text-muted: #5b5b5b;
  --text-faded: var(--eq-gray);
  --border: #e8e8eb;
  --border-strong: #d6d6dc;
}

html, body { height: 100%; }

body {
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  line-height: 1.5;
  font-size: 17px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Top bar (Equancy brand) ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.brand:hover { opacity: 0.78; }

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar-tag {
  font-family: "Manrope", sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-pink);
  padding: 5px 11px;
  border: 1.5px solid var(--brand-pink);
  border-radius: 999px;
}

.logout-form { margin: 0; }

.logout-btn {
  font-family: "Manrope", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.logout-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- Hero ---------- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 96px 32px 64px;
  flex: 1;
  width: 100%;
}

.hero {
  margin-bottom: 64px;
  text-align: center;
}

h1 {
  font-family: "Manrope", sans-serif;
  font-size: clamp(2.6rem, 6vw, 4rem);
  font-weight: 800;             /* Extrabold (charte) */
  letter-spacing: -0.04em;       /* approche -10px scaled */
  line-height: 1.05;
  margin-bottom: 18px;
  color: var(--eq-black);
}

.subtitle {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.4;
}

/* ---------- Cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 360px));
  gap: 16px;
  justify-content: center;
}

.card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
}

.card:hover {
  background: var(--bg-elevated-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(134, 69, 147, 0.10);
}

.card-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: "Manrope", sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  border-radius: 10px;
  flex-shrink: 0;
  transition: background 0.15s ease;
}

.card:hover .card-icon {
  background: var(--accent-strong);
}

.card-body {
  flex: 1;
  min-width: 0;
}

.card-body h2 {
  font-family: "Manrope", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.015em;
  color: var(--text);
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.card-arrow {
  color: var(--text-faded);
  font-size: 1.4rem;
  transition: color 0.15s ease, transform 0.15s ease;
}

.card:hover .card-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 56px 24px;
  background: var(--bg-elevated);
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  color: var(--text-muted);
}

.empty-state p:not(:last-child) { margin-bottom: 8px; }

.empty-state code {
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: "JetBrains Mono", "SF Mono", Consolas, monospace;
  color: var(--text);
  font-size: 0.85em;
  border: 1px solid var(--border);
}

/* ---------- Footer ---------- */
.page-footer {
  text-align: center;
  padding: 28px 32px;
  border-top: 1px solid var(--border);
  color: var(--text-faded);
  font-family: "Manrope", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--bg-elevated);
}

/* ---------- Loading overlay ---------- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  z-index: 100;
  backdrop-filter: blur(6px);
}

.loading-overlay[hidden] { display: none; }

.spinner {
  width: 56px;
  height: 56px;
  border: 3px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

#loading-text {
  color: var(--text);
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

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

/* ---------- Login page (auth) ---------- */
/* Layout : page complete centree, gradient subtil, card flottante.
   Volontairement decouple du layout principal (.topbar + .container) */
.auth-body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 0% 0%, rgba(134, 69, 147, 0.06), transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(223, 0, 95, 0.05), transparent 50%),
    var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 44px 40px 36px;
  box-shadow: 0 12px 40px rgba(20, 20, 50, 0.06),
              0 2px 6px rgba(20, 20, 50, 0.04);
  text-align: center;
}

.auth-logo {
  height: 36px;
  width: auto;
  margin: 0 auto 28px;
  display: block;
}

.auth-title {
  font-family: "Manrope", sans-serif;
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 0 0 8px;
}

.auth-subtitle {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 32px;
}

.auth-error {
  background: rgba(223, 0, 95, 0.08);
  border: 1px solid var(--brand-pink);
  color: var(--brand-pink);
  padding: 11px 14px;
  border-radius: 10px;
  font-family: "Manrope", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 20px;
  text-align: center;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  text-align: left;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-label {
  font-family: "Manrope", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.auth-input {
  font-family: "Manrope", sans-serif;
  font-size: 1rem;
  font-weight: 500;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elevated);
  color: var(--text);
  letter-spacing: 0.05em;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.auth-input::placeholder {
  color: var(--text-faded);
  letter-spacing: 0.08em;
}

.auth-input:focus {
  outline: none;
  background: var(--bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(134, 69, 147, 0.12);
}

.auth-btn {
  font-family: "Manrope", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 14px 18px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  margin-top: 4px;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 8px rgba(134, 69, 147, 0.20);
}

.auth-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 14px rgba(134, 69, 147, 0.28);
}

.auth-btn:active {
  transform: translateY(1px);
  box-shadow: 0 2px 6px rgba(134, 69, 147, 0.20);
}

.auth-footer {
  margin-top: 28px;
  font-family: "Manrope", sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faded);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .topbar { padding: 14px 20px; }
  .container { padding: 56px 20px 40px; }
  h1 { font-size: 2.2rem; }
  .subtitle { font-size: 1.1rem; }
  .grid { grid-template-columns: 1fr; }
  .page-footer { padding: 20px; }
  .auth-card { padding: 32px 24px 28px; }
  .auth-title { font-size: 1.55rem; }
}