/* ===== LOGIN SCREEN ===== */
.login-screen {
  min-height: 100vh;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  animation: fadeIn 0.4s ease;
}

.login-bg-pattern {
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(37,99,235,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(124,58,237,0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.login-container {
  max-width: 860px;
  width: 100%;
  text-align: center;
  position: relative;
  z-index: 1;
}

.login-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 3px;
  margin-bottom: 4px;
}

.login-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2xl);
  letter-spacing: -0.5px;
}

.login-title span {
  color: var(--primary-blue);
}

/* ===== USER GRID ===== */
.user-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  justify-content: center;
  padding: var(--spacing-lg);
  min-height: 180px;
  align-items: center;
}

.user-circle-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.user-circle {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  font-weight: 700;
  color: white;
  cursor: pointer;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  user-select: none;
  font-family: var(--font-heading);
}

.user-circle:hover {
  transform: scale(1.12);
  box-shadow: var(--shadow-lg);
}

/* RGB glow ring on hover */
@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.user-circle::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(from var(--angle), #FF0000, #FF7700, #FFFF00, #00FF00, #0000FF, #8B00FF, #FF0000);
  animation: rgbRotate 3s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.user-circle:hover::after { opacity: 1; }

@keyframes rgbRotate {
  from { --angle: 0deg; }
  to { --angle: 360deg; }
}

/* Fallback for browsers without @property */
@supports not (background: conic-gradient(from 0deg, red, blue)) {
  .user-circle::after {
    background: linear-gradient(135deg, #FF0000, #0000FF, #FF0000);
  }
}

.user-name {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Add User Button */
.add-user-btn {
  background: transparent !important;
  border: 2.5px dashed var(--border-medium);
  color: var(--text-muted);
  font-size: 36px;
  transition: all var(--transition-base);
}

.add-user-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  border-style: solid;
  background: rgba(37,99,235,0.05) !important;
}

.add-user-btn::after { display: none; }

/* ===== PASSWORD MODAL ===== */
.password-icon {
  font-size: 48px;
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.modal-username {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.forgot-password {
  text-align: center;
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--primary-blue);
  cursor: pointer;
  transition: opacity var(--transition-fast);
}
.forgot-password:hover { opacity: 0.7; }

/* ===== RGB BORDER MODAL ===== */
.rgb-border-modal {
  position: relative;
}

.rgb-border-modal::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: conic-gradient(from var(--angle), #FF0000, #FF7700, #FFFF00, #00FF00, #0000FF, #8B00FF, #FF0000);
  animation: rgbRotate 3s linear infinite;
  z-index: -1;
}

/* ===== LOGIN FOOTER ===== */
.login-footer {
  margin-top: var(--spacing-2xl);
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}