/* Global Reset and Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background: radial-gradient(circle at 10% 20%, rgb(18, 28, 52) 0%, rgb(8, 12, 21) 90%);
  color: #f1f5f9;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
}

/* Background Glowing Orbs for Premium Aesthetics */
body::before, body::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  filter: blur(100px);
  z-index: 0;
  opacity: 0.15;
}

body::before {
  background: #3b82f6;
  top: 15%;
  left: 20%;
}

body::after {
  background: #a855f7;
  bottom: 15%;
  right: 20%;
}

/* Glassmorphic Container Card */
.login-container {
  width: 100%;
  max-width: 440px;
  padding: 20px;
  z-index: 1;
}

.glass-card {
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* Header Section */
.card-header {
  text-align: center;
  margin-bottom: 35px;
}

.logo-badge {
  font-size: 3rem;
  margin-bottom: 10px;
  display: inline-block;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.card-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, #3b82f6, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.card-header p {
  color: #94a3b8;
  font-size: 0.9rem;
}

/* Input Fields & Groups */
.input-group {
  margin-bottom: 22px;
}

.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: #94a3b8;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 15px;
  font-size: 1rem;
  color: #64748b;
  pointer-events: none;
}

.input-wrapper input {
  width: 100%;
  padding: 14px 15px 14px 45px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: #fff;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.input-wrapper input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.25);
  background: rgba(15, 23, 42, 0.8);
}

.input-wrapper input::placeholder {
  color: #475569;
}

/* Error Banner */
.error-banner {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 10px;
  padding: 12px 15px;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: shake 0.4s ease-in-out;
}

.error-banner.hidden {
  display: none !important;
}

.error-icon {
  font-size: 1rem;
}

.error-text {
  color: #fca5a5;
  font-size: 0.85rem;
  font-weight: 500;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* Buttons and Interactions */
.btn-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

.btn-submit:active {
  transform: translateY(0);
}

/* Spinner Animation */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner.hidden {
  display: none;
}

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

/* Footer Section */
.card-footer {
  margin-top: 35px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 25px;
}

.card-footer p {
  color: #64748b;
  font-size: 0.8rem;
  margin-bottom: 12px;
  text-align: center;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-hint {
  list-style: none;
}

.role-hint li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 8px;
  background: rgba(255, 255, 255, 0.02);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.role-hint li strong {
  color: #fff;
}

.badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  text-transform: uppercase;
}

.badge.cs {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge.spv {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge.manager {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}