* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Arial, sans-serif; }

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid var(--accent-color);
}

.logo { font-weight: bold; font-size: 22px; letter-spacing: 2px; color: var(--text-color); text-decoration: none; }

.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { color: var(--text-color); text-decoration: none; opacity: 0.85; }
.nav-links a:hover { opacity: 1; text-decoration: underline; }

.container { flex: 1; padding: 40px; display: flex; justify-content: center; align-items: flex-start; }

.auth-card {
  background-color: var(--card-color);
  border: 1px solid var(--accent-color);
  border-radius: 10px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  margin-top: 40px;
  text-align: center;
}

.auth-card h1 { margin-bottom: 25px; }

.auth-card form { display: flex; flex-direction: column; gap: 14px; }

.auth-card input {
  padding: 12px;
  border-radius: 6px;
  border: 1px solid var(--accent-color);
  background-color: var(--bg-color);
  color: var(--text-color);
}

.auth-card button, .btn-google {
  padding: 12px;
  border-radius: 6px;
  border: none;
  background-color: var(--button-color);
  color: var(--button-text-color);
  font-weight: bold;
  cursor: pointer;
  text-decoration: none;
  display: block;
  margin-top: 12px;
}

.switch { margin-top: 20px; font-size: 14px; }
.switch a { color: var(--accent-color); }

.error { color: #ff5555; margin-bottom: 15px; }
.success { color: #55ff88; margin-bottom: 15px; }

.dashboard { width: 100%; max-width: 800px; margin-top: 20px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin-top: 30px; }
.card {
  background-color: var(--card-color);
  border: 1px solid var(--accent-color);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.card h3 { font-size: 14px; opacity: 0.7; margin-bottom: 8px; }
.card p { font-size: 20px; font-weight: bold; }

.theme-form { display: flex; flex-direction: column; gap: 16px; text-align: left; }
.theme-form label { display: flex; justify-content: space-between; align-items: center; }
.theme-form input[type=color] { width: 60px; height: 35px; border: none; cursor: pointer; }

.footer { text-align: center; padding: 20px; opacity: 0.6; font-size: 13px; }

/* ===== AUTH PRO STYLES ===== */
.auth-body { margin: 0; }

.auth-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  background-color: var(--bg-color);
}

.auth-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  border-right: 1px solid var(--accent-color);
  text-align: center;
}

.auth-logo {
  width: 90px;
  height: 90px;
  border-radius: 16px;
  object-fit: cover;
  margin-bottom: 24px;
  box-shadow: 0 0 30px rgba(255,255,255,0.08);
}

.auth-left h1 {
  font-size: 28px;
  letter-spacing: 3px;
  color: var(--text-color);
  margin-bottom: 12px;
}

.auth-left p {
  color: var(--text-color);
  opacity: 0.6;
  max-width: 320px;
  line-height: 1.5;
}

.auth-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.auth-box {
  width: 100%;
  max-width: 380px;
}

.auth-box h2 {
  font-size: 26px;
  color: var(--text-color);
  margin-bottom: 6px;
}

.auth-subtitle {
  color: var(--text-color);
  opacity: 0.55;
  font-size: 14px;
  margin-bottom: 30px;
}

.pro-form { display: flex; flex-direction: column; gap: 22px; }

.input-group {
  position: relative;
}

.input-group input {
  width: 100%;
  padding: 14px 16px;
  background: transparent;
  border: 1px solid var(--accent-color);
  border-radius: 8px;
  color: var(--text-color);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease;
}

.input-group input:focus {
  border-color: var(--text-color);
}

.input-group label {
  position: absolute;
  left: 16px;
  top: 14px;
  color: var(--text-color);
  opacity: 0.5;
  font-size: 15px;
  pointer-events: none;
  transition: all 0.15s ease;
  background: var(--bg-color);
  padding: 0 4px;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
  top: -9px;
  font-size: 12px;
  opacity: 0.9;
}

.toggle-password {
  position: absolute;
  right: 14px;
  top: 14px;
  cursor: pointer;
  opacity: 0.5;
  user-select: none;
  font-size: 15px;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  background-color: var(--button-color);
  color: var(--button-text-color);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover { opacity: 0.85; }
.btn-primary:active { transform: scale(0.98); }

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 26px 0;
  color: var(--text-color);
  opacity: 0.4;
  font-size: 13px;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--accent-color);
}
.divider span { padding: 0 12px; }

.btn-google {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px;
  border-radius: 8px;
  border: 1px solid var(--accent-color);
  background-color: var(--card-color);
  color: var(--text-color);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.2s ease;
}
.btn-google:hover { background-color: rgba(255,255,255,0.05); }

.switch {
  text-align: center;
  margin-top: 26px;
  font-size: 14px;
  color: var(--text-color);
  opacity: 0.7;
}
.switch a { color: var(--text-color); font-weight: 600; opacity: 1; }

@media (max-width: 850px) {
  .auth-page { grid-template-columns: 1fr; }
  .auth-left { border-right: none; border-bottom: 1px solid var(--accent-color); padding: 40px 24px; }
}

/* ===== AUTH PRO V2 — glow, gradients, SVG deco ===== */
.auth-page {
  position: relative;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}
.blob-1 {
  width: 420px; height: 420px;
  background: var(--gradient-color);
  top: -120px; left: -100px;
}
.blob-2 {
  width: 380px; height: 380px;
  background: var(--glow-color);
  bottom: -140px; right: -80px;
}

.deco-grid {
  position: absolute;
  top: 0; left: 0;
  z-index: 0;
  opacity: 0.5;
}

.brand-block { position: relative; z-index: 1; text-align: center; }

.logo-wrap {
  display: inline-flex;
  padding: 6px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--gradient-color), var(--glow-color));
  margin-bottom: 26px;
}
.auth-logo {
  width: 84px;
  height: 84px;
  border-radius: 16px;
  object-fit: cover;
  display: block;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

.auth-left h1 {
  font-size: 30px;
  letter-spacing: 3px;
  color: var(--text-color);
  margin-bottom: 14px;
}

.grad-text {
  background: linear-gradient(135deg, var(--gradient-color), var(--glow-color));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-left p { color: var(--text-color); opacity: 0.6; max-width: 320px; line-height: 1.6; margin: 0 auto 34px; }

.feature-list { display: flex; flex-direction: column; gap: 16px; text-align: left; max-width: 280px; margin: 0 auto; }
.feature-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--accent-color);
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  font-size: 13px;
  color: var(--text-color);
  opacity: 0.85;
}

.auth-box { position: relative; z-index: 1; }

.error, .success {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 20px;
}
.error { color: #ff6b6b; background: rgba(255,107,107,0.08); border: 1px solid rgba(255,107,107,0.25); }
.success { color: #51cf66; background: rgba(81,207,102,0.08); border: 1px solid rgba(81,207,102,0.25); }

.field-icon {
  position: absolute;
  left: 14px;
  top: 16px;
  pointer-events: none;
  opacity: 0.6;
}

.input-group input { padding-left: 44px; }
.input-group label { left: 44px; }
.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label { left: 14px; }

.input-group input:focus {
  border-color: var(--glow-color);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15), 0 0 18px -4px var(--glow-color);
}

.btn-primary {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, var(--gradient-color), var(--glow-color));
  color: #fff;
  box-shadow: 0 6px 24px -6px var(--glow-color);
  border: none;
}
.btn-primary:hover { opacity: 0.92; box-shadow: 0 8px 28px -4px var(--glow-color); }

.btn-google:hover { border-color: var(--glow-color); background-color: rgba(255,255,255,0.04); }

@media (max-width: 850px) {
  .blob { display: none; }
}

/* ===== FIX positionnement blob/grid — confinés à auth-left ===== */
.auth-page { position: relative; overflow: hidden; }
.auth-left { position: relative; overflow: hidden; z-index: 0; }
.blob { position: absolute; z-index: 0; }
.blob-1 { top: -120px; left: -100px; }
.blob-2 { bottom: -140px; right: -80px; }
.deco-grid { position: absolute; top: 0; left: 0; z-index: 0; }
.brand-block, .auth-right { position: relative; z-index: 1; }

/* ===== FIX espace vide en haut sur mobile ===== */
@media (max-width: 850px) {
  .auth-page { grid-template-columns: 1fr; }
  .auth-left {
    padding: 30px 24px 30px;
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid var(--accent-color);
  }
  .blob-1 { width: 220px; height: 220px; top: -80px; left: -60px; opacity: 0.25; }
  .blob-2 { width: 200px; height: 200px; bottom: -100px; right: -60px; opacity: 0.25; }
  .auth-logo { width: 64px; height: 64px; }
  .auth-left h1 { font-size: 22px; margin-bottom: 8px; }
  .auth-left p { margin-bottom: 20px; font-size: 14px; }
  .feature-list { gap: 10px; }
  .feature-item { padding: 8px 12px; font-size: 12px; }
}

/* ===== AUTH BOX PREMIUM — carte glassmorphism ===== */
.auth-right {
  padding: 40px 24px;
}

.auth-box {
  width: 100%;
  max-width: 400px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 36px 32px;
  backdrop-filter: blur(12px);
  box-shadow:
    0 20px 60px -20px rgba(0,0,0,0.6),
    0 0 0 1px rgba(255,255,255,0.03) inset,
    0 0 40px -20px var(--glow-color);
  position: relative;
}

.auth-box::before {
  content: '';
  position: absolute;
  top: -1px; left: 20px; right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gradient-color), var(--glow-color), transparent);
  opacity: 0.7;
}

.auth-box h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.auth-subtitle {
  color: var(--text-color);
  opacity: 0.5;
  font-size: 14px;
  margin-bottom: 32px;
  line-height: 1.4;
}

.pro-form { gap: 24px; }

.input-group input {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 15px 16px 15px 46px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.input-group input:hover {
  border-color: rgba(255,255,255,0.22);
}

.input-group input:focus {
  background: rgba(255,255,255,0.04);
  border-color: var(--glow-color);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.12);
}

.input-group label {
  background: transparent;
  font-weight: 400;
}

.field-icon { top: 17px; opacity: 0.45; }
.toggle-password { top: 17px; opacity: 0.45; transition: opacity 0.2s ease; }
.toggle-password:hover { opacity: 0.9; }

.btn-primary {
  padding: 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: 0 10px 30px -8px var(--glow-color);
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px -6px var(--glow-color);
  opacity: 1;
}
.btn-primary:active { transform: translateY(0); }

.divider { margin: 30px 0; opacity: 0.35; }

.btn-google {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.02);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}
.btn-google:hover {
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.05);
  transform: translateY(-1px);
}

.switch {
  margin-top: 28px;
  font-size: 14px;
  opacity: 0.55;
}
.switch a {
  color: var(--glow-color);
  font-weight: 600;
  opacity: 1;
  text-decoration: none;
}
.switch a:hover { text-decoration: underline; }

.error {
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 24px;
}

@media (max-width: 480px) {
  .auth-box { padding: 28px 22px; border-radius: 16px; }
  .auth-box h2 { font-size: 24px; }
}