/**
 * Login Page Styles
 * Dedicated styles for login.html
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  --login-primary: #3b82f6;
  --login-primary-hover: #2563eb;
  --login-text: #0f172a;
  --login-text-secondary: #475569;
  --login-text-muted: #94a3b8;
  --login-border: #e2e8f0;
  --login-surface: #ffffff;
  --login-bg: #f8fafc;
  --login-radius: 0.5rem;
  --login-radius-lg: 0.75rem;
  --login-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --login-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
}

/* ============================================
   BASE LAYOUT
   ============================================ */
.login-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ============================================
   BRAND PANEL (Left Side)
   ============================================ */
.login-brand-panel {
  position: relative;
  flex: 0 0 50%;
  background: url('../module-bg.jpeg') center/cover no-repeat;
  display: none;
}

@media (min-width: 992px) {
  .login-brand-panel {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.login-brand-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 39, 68, 0.9) 0%, rgba(30, 58, 95, 0.85) 100%);
}

.login-brand-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  max-width: 480px;
}

.login-brand-logo {
  max-height: 28vh;
  width: auto;
  margin-bottom: 2rem;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.login-brand-tagline {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  line-height: 1.6;
  margin: 0;
}

.login-brand-tagline strong {
  color: #fff;
  font-weight: 600;
}

/* ============================================
   FORM PANEL (Right Side)
   ============================================ */
.login-form-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  background: var(--login-surface);
}

@media (min-width: 992px) {
  .login-form-panel {
    flex: 0 0 50%;
    padding: 2rem 3rem;
  }
}

.login-form-container {
  width: 100%;
  max-width: 400px;
}

/* ============================================
   FORM HEADER
   ============================================ */
.login-header {
  margin-bottom: 2rem;
}

.login-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #bfdbfe;
  border-radius: 2rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--login-primary);
  margin-bottom: 1.25rem;
}

.login-brand-badge i {
  font-size: 0.75rem;
}

.login-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--login-text);
  margin: 0 0 0.5rem 0;
}

.login-subtitle {
  font-size: 0.9375rem;
  color: var(--login-text-secondary);
  margin: 0;
}

/* ============================================
   ALERTS
   ============================================ */
.login-alert {
  padding: 0.875rem 1rem;
  border-radius: var(--login-radius);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
}

.login-alert i {
  margin-top: 0.125rem;
}

.login-alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
}

.login-alert-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #16a34a;
}

/* ============================================
   FORM CONTROLS
   ============================================ */
.login-form-group {
  margin-bottom: 1.25rem;
}

.login-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--login-text);
  margin-bottom: 0.5rem;
}

.login-input {
  width: 100%;
  height: 48px;
  padding: 0 1rem;
  font-size: 0.9375rem;
  color: var(--login-text);
  background: var(--login-surface);
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.login-input:focus {
  outline: none;
  border-color: var(--login-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.login-input::placeholder {
  color: var(--login-text-muted);
}

/* Password Field */
.login-password-wrap {
  position: relative;
}

.login-password-wrap .login-input {
  padding-right: 3rem;
}

.login-password-toggle {
  position: absolute;
  right: 0;
  top: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--login-text-muted);
  cursor: pointer;
  transition: color 0.15s ease;
}

.login-password-toggle:hover {
  color: var(--login-text-secondary);
}

.login-password-toggle:focus {
  outline: 2px solid var(--login-primary);
  outline-offset: -2px;
  border-radius: 0 var(--login-radius) var(--login-radius) 0;
}

/* ============================================
   SUBMIT BUTTON
   ============================================ */
.login-submit {
  width: 100%;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-primary-hover) 100%);
  border: none;
  border-radius: var(--login-radius);
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

.login-submit:hover {
  background: linear-gradient(135deg, var(--login-primary-hover) 0%, #1d4ed8 100%);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

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

.login-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.login-submit .spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.login-submit.is-loading .spinner {
  display: block;
}

.login-submit.is-loading .btn-text {
  display: none;
}

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

/* ============================================
   FORGOT PASSWORD LINK
   ============================================ */
.login-forgot {
  display: block;
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--login-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.login-forgot:hover {
  color: var(--login-primary-hover);
  text-decoration: underline;
}

/* ============================================
   BACK LINK
   ============================================ */
.login-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--login-text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.login-back:hover {
  color: var(--login-primary);
}

.login-back i {
  font-size: 0.75rem;
}

/* ============================================
   FOOTER
   ============================================ */
.login-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--login-border);
  text-align: center;
}

.login-footer-text {
  font-size: 0.8125rem;
  color: var(--login-text-muted);
  margin: 0;
}

.login-footer-version {
  font-size: 0.6875rem;
  color: var(--login-text-muted);
  margin-top: 0.25rem;
}

/* ============================================
   MOBILE LOGO (shown only on mobile)
   ============================================ */
.login-mobile-logo {
  display: block;
  max-height: 60px;
  width: auto;
  margin: 0 auto 1.5rem;
}

@media (min-width: 992px) {
  .login-mobile-logo {
    display: none;
  }
}