/* =====================================================
   PALETTE SUCCESS FORMATION
   Fond     : #f1d7bc
   Traits   : #ce2a45
   Texte    : #000000
   Accent 1 : #fc772c (orange)
   Accent 2 : #5c646b (gris ardoise)
   ===================================================== */

:root {
  --sf-bg: #f1d7bc;
  --sf-border: #ce2a45;
  --sf-text: #000000;
  --sf-orange: #fc772c;
  --sf-slate: #5c646b;
  --sf-white: #ffffff;
  --sf-success: #2d9e6b;
  --sf-error: #ce2a45;
  --header-height: 180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(135deg, #f1d7bc 0%, #e8c5a0 100%);
  background-attachment: fixed;
  min-height: 100vh;
  padding: 15px;
  color: var(--sf-text);
  line-height: 1.5;
  font-size: 16px;
  overscroll-behavior-y: none;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding-bottom: 30px;
}

header {
  text-align: center;
  margin-bottom: 25px;
  padding-top: 10px;
}

.header-logo {
  display: block;
  max-width: 180px;
  height: auto;
  margin: 0 auto 12px auto;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}

header h1 {
  font-size: 1.6rem;
  margin-bottom: 6px;
  color: var(--sf-border);
}

.subtitle {
  font-size: 0.95rem;
  color: var(--sf-slate);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card {
  background: var(--sf-white);
  border-radius: 16px;
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: 0 8px 30px rgba(206,42,69,0.12);
  border: 2px solid var(--sf-border);
}

.card h2 {
  color: var(--sf-border);
  margin-bottom: 18px;
  font-size: 1.25rem;
  border-bottom: 2px solid var(--sf-bg);
  padding-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--sf-slate);
  font-size: 0.9rem;
}

.form-group input, 
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-size: 16px;
  color: var(--sf-text);
  background: #fdfaf7;
  transition: all 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus, 
.form-group select:focus {
  outline: none;
  border-color: var(--sf-border);
  box-shadow: 0 0 0 4px rgba(206,42,69,0.15);
  background: #ffffff;
}

.info-box {
  background: var(--sf-bg);
  border-left: 5px solid var(--sf-border);
  padding: 16px;
  border-radius: 12px;
  margin: 20px 0;
}

.info-box p {
  margin: 8px 0;
  color: var(--sf-text);
  font-size: 0.95rem;
}

.info-text {
  color: var(--sf-slate);
  font-size: 0.9rem;
  margin: 12px 0;
  text-align: center;
}

.signature-wrapper {
  position: relative;
  width: 100%;
  margin: 20px 0;
}

.signature-pad-container {
  border: 3px solid var(--sf-border);
  border-radius: 14px;
  background: #ffffff;
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.05);
}

#signature-pad {
  display: block;
  width: 100%;
  height: 250px;
  cursor: crosshair;
  touch-action: none;
}

.btn-clear-round {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid var(--sf-border);
  background: var(--sf-white);
  color: var(--sf-border);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(206,42,69,0.25);
  z-index: 10;
  transition: transform 0.2s;
}

.btn-clear-round:active {
  transform: scale(0.9);
}

.btn-primary, .btn-secondary {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--sf-border) 0%, var(--sf-orange) 100%);
  color: var(--sf-white);
  box-shadow: 0 6px 20px rgba(206,42,69,0.3);
}

.btn-primary:active {
  transform: scale(0.96);
  box-shadow: 0 3px 10px rgba(206,42,69,0.2);
}

.btn-primary:disabled {
  background: #cbd5e0;
  box-shadow: none;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--sf-white);
  color: var(--sf-border);
  border: 3px solid var(--sf-border);
}

.btn-secondary:active {
  background: var(--sf-bg);
  transform: scale(0.96);
}

#qrcode-container {
  display: flex;
  justify-content: center;
  margin: 20px 0;
  padding: 15px;
  background: #ffffff;
  border-radius: 12px;
}

#qrcode-container canvas, #qrcode-container img {
  max-width: 100%;
  height: auto !important;
  border: 2px solid var(--sf-bg);
  padding: 10px;
}

.qr-info {
  text-align: center;
  background: #fdfaf7;
  padding: 18px;
  border-radius: 12px;
  margin: 15px 0;
  border: 1px dashed var(--sf-border);
}

#attendance-list {
  margin-top: 15px;
  -webkit-overflow-scrolling: touch;
}

.attendance-item {
  background: #fdfaf7;
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 12px;
  border-left: 6px solid var(--sf-orange);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.attendance-item p {
  margin: 4px 0;
  font-size: 0.95rem;
}

.hidden {
  display: none !important;
}

@media (max-width: 480px) {
  body { padding: 10px; }
  header h1 { font-size: 1.4rem; }
  .card { padding: 18px; border-radius: 14px; }
  #signature-pad { height: 220px; }
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

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