/* 🤝 협력업체 전용 로그인 페이지 CSS (원래 프리미엄 다크 네이비 배경 유지 + 협력사 에메랄드 포인트) */

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #0f172a;
  background-image: 
    radial-gradient(at 0% 0%, rgba(14, 165, 233, 0.18) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(99, 102, 241, 0.18) 0px, transparent 50%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.partner-login-page {
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
}

.partner-login-card {
  width: 100%;
  max-width: 410px;
  background: rgba(30, 41, 59, 0.88);
  backdrop-filter: blur(16px);
  border: 1.5px solid rgba(52, 211, 153, 0.35);
  border-radius: 20px;
  padding: 38px 32px;
  box-sizing: border-box;
  box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.6), 0 0 25px rgba(16, 185, 129, 0.15);
  color: #f8fafc;
  position: relative;
  overflow: hidden;
}

/* 상단 협력업체 식별 뱃지 띠 */
.partner-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  border-radius: 20px;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  box-shadow: 0 3px 10px rgba(16, 185, 129, 0.35);
}

.partner-login-logo {
  font-size: 21px;
  font-weight: 800;
  color: #34d399;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.partner-login-title {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.partner-login-subtitle {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 24px;
}

.partner-login-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.4;
}

.partner-login-form label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: #a7f3d0;
  margin-bottom: 6px;
}

.partner-login-form input {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 18px;
  background: rgba(15, 23, 42, 0.6);
  border: 1.5px solid rgba(52, 211, 153, 0.3);
  border-radius: 10px;
  color: #ffffff;
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.partner-login-form input:focus {
  border-color: #34d399;
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.25);
  background: rgba(15, 23, 42, 0.85);
}

.partner-login-form button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
  transition: transform 0.15s, box-shadow 0.15s;
  margin-top: 6px;
}

.partner-login-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.45);
  background: linear-gradient(135deg, #047857 0%, #059669 100%);
}

.partner-login-help {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  color: #64748b;
  line-height: 1.5;
  text-align: center;
}

.btn-back-internal {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  transition: color 0.2s;
}

.btn-back-internal:hover {
  color: #34d399;
  text-decoration: underline;
}