/* Thème clair (défaut) */
:root {
  color-scheme: light;
  --bg: #eef4f8;
  --bg-alt: #f8fbfd;
  --panel: rgba(255, 255, 255, 0.72);
  --panel-strong: rgba(255, 255, 255, 0.86);
  --text: #182026;
  --muted: #65727e;
  --line: rgba(141, 157, 171, 0.32);
  --primary: #008a7a;
  --primary-dark: #006f63;
  --primary-soft: rgba(0, 138, 122, 0.12);
  --warn: #a86614;
  --danger: #b42318;
  --ok: #1c7c54;
  --shadow: 0 20px 55px rgba(18, 27, 38, 0.12);
  --glass-blur: blur(22px) saturate(180%);
  --radius: 16px;
}

/* Jeu de variables sombres, factorisé */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #08131a;
  --bg-alt: #111b25;
  --panel: rgba(18, 28, 38, 0.72);
  --panel-strong: rgba(27, 39, 51, 0.88);
  --text: #eef6fb;
  --muted: #a8b8c5;
  --line: rgba(180, 205, 224, 0.2);
  --primary: #1ecab8;
  --primary-dark: #6ee3d6;
  --primary-soft: rgba(30, 202, 184, 0.16);
  --warn: #f2b35d;
  --danger: #ff8a80;
  --ok: #4ecb8f;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

/* Sombre auto selon l'OS, sauf si l'utilisateur a explicitement choisi un thème */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #08131a;
    --bg-alt: #111b25;
    --panel: rgba(18, 28, 38, 0.72);
    --panel-strong: rgba(27, 39, 51, 0.88);
    --text: #eef6fb;
    --muted: #a8b8c5;
    --line: rgba(180, 205, 224, 0.2);
    --primary: #1ecab8;
    --primary-dark: #6ee3d6;
    --primary-soft: rgba(30, 202, 184, 0.16);
    --warn: #f2b35d;
    --danger: #ff8a80;
    --ok: #4ecb8f;
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(140deg, rgba(0, 138, 122, 0.18), transparent 42%),
    linear-gradient(315deg, rgba(38, 74, 128, 0.16), transparent 48%),
    linear-gradient(180deg, var(--bg), var(--bg-alt));
  background-attachment: fixed;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--primary-dark); }

header.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  backdrop-filter: var(--glass-blur);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header h1 { font-size: 18px; margin: 0; }
.app-header .sub { color: var(--muted); font-size: 13px; }

main { max-width: 1100px; margin: 0 auto; padding: 24px 28px 60px; }

.card {
  background: var(--panel);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 20px;
}

.tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.tab {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
}
.tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.tab .count {
  display: inline-block;
  min-width: 20px;
  padding: 0 6px;
  margin-left: 6px;
  border-radius: 999px;
  background: rgba(0,0,0,0.12);
  font-size: 12px;
  text-align: center;
}
.tab.active .count { background: rgba(255,255,255,0.25); }

button {
  font-family: inherit;
  font-size: 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 9px 16px;
  background: var(--panel-strong);
  color: var(--text);
  cursor: pointer;
}
button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.primary:hover { background: var(--primary-dark); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .spacer { flex: 1; }
.muted { color: var(--muted); font-size: 13px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
tbody tr:hover { background: var(--primary-soft); }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border: 1px solid var(--line);
}
.badge { font-size: 12px; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line); }
.badge.sent { color: var(--warn); }
.badge.submitted { color: var(--primary-dark); }
.badge.integrated { color: var(--ok); }
.badge.none { color: var(--muted); }

.table-wrap { overflow-x: auto; }

input[type="text"], input[type="email"], textarea {
  width: 100%;
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.err { color: var(--danger); font-size: 13px; margin-top: 4px; }
input.invalid { border-color: var(--danger); }

select {
  font-family: inherit;
  font-size: 14px;
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
  cursor: pointer;
}
.ok-msg { color: var(--ok); }

.centered { min-height: 80vh; display: grid; place-items: center; }
.login { text-align: center; max-width: 420px; }
.login p { color: var(--muted); }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 18px;
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  max-width: 90vw;
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.hidden { display: none !important; }

/* Champ avec bouton œil (masquer/afficher) */
.with-eye { position: relative; }
.with-eye input { padding-right: 44px; }
.eye {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 4px 8px;
  line-height: 1;
  color: var(--muted);
}
.eye:hover { color: var(--text); }

/* Bouton bascule de thème (en-tête) */
#theme-toggle {
  font-size: 16px;
  padding: 8px 12px;
  line-height: 1;
}
.notice { padding: 10px 14px; border-radius: 10px; background: var(--primary-soft); border: 1px solid var(--line); margin-bottom: 16px; font-size: 14px; }
.notice.warn { color: var(--warn); }