/* ---------- Thème clair par défaut ---------- */
:root {
  --bg: #f2f6fa;
  --card: #fff;
  --text: #2c3e50;
  --primary: #2d89ef;
  --accent: #0078d7;
  --border: #e0e0e0;
}

/* ---------- Thème sombre ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --card: #1e1e1e;
    --text: #e0e0e0;
    --primary: #3498db;
    --accent: #2980b9;
    --border: #333;
  }
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

/* ----------- Logo & Header ----------- */
header {
  width: 100%;
  background: var(--card);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px 0;
  margin-bottom: 30px;
}

header img {
  height: 60px;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.2));
}

/* ----------- Formulaires ----------- */
.container {
  background: var(--card);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  width: 90%;
  max-width: 700px;
}

input, textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 12px;
  background: transparent;
  color: var(--text);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

button {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: 0.2s;
}

button:hover { opacity: 0.9; }

/* ----------- Page admin ----------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

td, th {
  border: 1px solid var(--border);
  padding: 10px;
}

th {
  background: var(--primary);
  color: white;
}

tr.done {
  background: rgba(46, 204, 113, 0.15);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.doneBtn { background: #2ecc71; color: white; }
.resetBtn { background: #f1c40f; color: black; }
.delBtn { background: #e74c3c; color: white; }
.printBtn { background: #3498db; color: white; }

/* ----------- Page login ----------- */
.login-box {
  width: 320px;
  background: var(--card);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

footer {
  margin-top: auto;
  padding: 15px;
  font-size: 13px;
  color: var(--text);
  opacity: 0.6;
}