/* style.css */
* { box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background-color: #f8fafc; margin: 0; padding: 0; color: #1e293b; }
header { background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%); color: white; text-align: center; padding: 2.5rem 1rem; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
header h1 { margin: 0 0 0.5rem 0; font-size: 1.8rem; }
header p { margin: 0; opacity: 0.9; font-size: 0.95rem; }
.container { max-width: 1100px; margin: 2rem auto; padding: 0 1.2rem; }
h2 { border-left: 5px solid #7c3aed; padding-left: 12px; font-size: 1.4rem; color: #0f172a; margin-bottom: 1.5rem; }

/* Cookies pop up window */
.cookie-popup { position: fixed; bottom: 20px; left: 20px; right: 20px; background: white; box-shadow: 0 20px 40px rgba(15,23,42,0.15); border-radius: 16px; padding: 1.2rem; z-index: 99999; border-left: 6px solid #4f46e5; }
.cookie-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 0.88rem; color: #334155; }
.btn-cookie-accept { background: #0f172a; color: white; border: none; padding: 8px 20px; border-radius: 8px; cursor: pointer; font-weight: bold; width: auto; }

/* Cards & Layout systems */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 1.5rem; }
.card { background: white; border-radius: 14px; padding: 1.5rem; box-shadow: 0 4px 6px rgba(0,0,0,0.05); display: flex; flex-direction: column; justify-content: space-between; border-top: 6px solid #4f46e5; }
.card.animation { border-top: 6px solid #f97316; }
.card h3 { margin: 0 0 0.6rem 0; font-size: 1.25rem; }
.desc { color: #475569; font-size: 0.92rem; margin-bottom: 1.2rem; line-height: 1.5; }

/* Authentication widgets */
.auth-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.5rem; margin-bottom: 2.5rem; }
.auth-box { background: white; padding: 1.5rem; border-radius: 14px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border-top: 4px solid #7c3aed; }
.auth-box input { width: 100%; padding: 0.7rem; margin-bottom: 0.8rem; border: 1px solid #cbd5e1; border-radius: 8px; font-size: 0.95rem; background: #f8fafc; }

/* Form Elements Buttons */
button { padding: 0.75rem; border: none; border-radius: 8px; color: white; font-weight: bold; cursor: pointer; width: 100%; transition: opacity 0.2s; }
button:hover { opacity: 0.9; }
.btn-reserver { background: #2563eb; }
.btn-annuler { background: #dc2626; font-size: 0.88rem; }
.btn-logout-eleve { display: inline-block; background: rgba(255,255,255,0.15); color: white; padding: 5px 14px; border-radius: 6px; text-decoration: none; font-size: 0.85rem; margin-top: 10px; border: 1px solid rgba(255,255,255,0.4); }

/* System Status Badges */
.code-badge { background: #ffffff; color: #7c3aed; padding: 3px 10px; border-radius: 6px; font-weight: bold; font-family: monospace; border: 1px solid #ddd; }
.code-reveal-box { background: #f0fdf4; border: 2px dashed #4ade80; border-radius: 14px; padding: 1.5rem; text-align: center; margin-bottom: 2.5rem; }
.big-code { font-size: 2.8rem; font-family: monospace; font-weight: bold; color: #16a34a; letter-spacing: 4px; margin: 12px 0; }
.rgpd-box { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 1.2rem; }
.rgpd-box input { width: auto; margin-top: 4px; }
.rgpd-box label { font-size: 0.78rem; color: #64748b; line-height: 1.4; }
.badge { display: inline-block; padding: 0.35rem 0.75rem; border-radius: 50px; font-size: 0.82rem; font-weight: 700; margin-bottom: 1rem; }
.badge.success { background: #dcfce7; color: #16a34a; }
.badge.danger { background: #fee2e2; color: #dc2626; }
.badge.info { background: #e0f2fe; color: #0284c7; }
.complet { background: #f1f5f9; color: #94a3b8; text-align: center; padding: 0.7rem; border-radius: 8px; font-weight: bold; margin: 0; }
.alert { padding: 1rem; border-radius: 10px; margin-bottom: 1.8rem; font-weight: 600; text-align: center; }
.alert.success { background: #bbf7d0; color: #14532d; }
.alert.error { background: #fca5a5; color: #7f1d1d; }