:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --dark: #1d3557;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body, html { height: 100%; }

body {
  background: linear-gradient(135deg, #1d3557 0%, #457b9d 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  font-family: 'Segoe UI', system-ui, sans-serif;
}

.auth-wrapper {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 28px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  position: relative;
}

.back-link {
  position: absolute;
  top: 16px;
  left: 20px;
  font-size: 0.82rem;
  color: #999;
  text-decoration: none;
  transition: color 0.2s;
}
.back-link:hover { color: var(--primary); }

.auth-logo {
  text-align: center;
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.auth-title {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

.auth-sub {
  text-align: center;
  font-size: 0.82rem;
  color: #999;
  margin-bottom: 20px;
}

/* Tabs */
.auth-tabs {
  display: flex;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid #eee;
  margin-bottom: 20px;
}
.tab-btn {
  flex: 1;
  padding: 9px;
  border: none;
  background: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  color: #aaa;
  cursor: pointer;
  transition: all 0.2s;
}
.tab-btn.active {
  background: var(--primary);
  color: #fff;
}

/* Form */
.tab-content { display: none; }
.tab-content.active { display: block; }

.form-group {
  margin-bottom: 14px;
}
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: #555;
  margin-bottom: 5px;
}
.form-group label i { color: var(--primary); margin-right: 5px; }
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid #eee;
  border-radius: 10px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
.form-control:focus { border-color: var(--primary); }

.input-icon-wrapper { position: relative; }
.input-icon-wrapper .form-control { padding-right: 38px; }
.toggle-pw {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #bbb;
  cursor: pointer;
  font-size: 0.9rem;
}
.toggle-pw:hover { color: var(--primary); }

.btn-primary-igo {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s;
  margin-top: 6px;
}
.btn-primary-igo:hover { background: var(--primary-dark); color: #fff; }

.auth-footer {
  text-align: center;
  font-size: 0.82rem;
  color: #999;
  margin-top: 12px;
}
.auth-footer a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* Redirect box */
.redirect-box {
  text-align: center;
  padding: 16px 0;
}
.redirect-box i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}
.redirect-box p { color: #666; font-size: 0.9rem; margin-bottom: 16px; }

/* Status */
.status-message {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  display: none;
  text-align: center;
}
.status-message.success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.status-message.error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }