/*
 * login.css
 * Admin login page specific styles
 */

/* ========================================================== */
/* LOGIN PAGE LAYOUT                                          */
/* ========================================================== */

.login-page {
  min-height: 100vh;
  display: flex;
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}


/* ========================================================== */
/* LEFT SIDE: BRANDING                                        */
/* ========================================================== */

.login-brand {
  flex: 1;
  background: linear-gradient(135deg, var(--surface-900) 0%, var(--surface-950) 100%);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-8);
  position: relative;
  overflow: hidden;
}

.login-brand-logo {
  position: absolute;
  top: var(--space-8);
  left: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 2;
}

.login-brand-logo-icon {
  width: 2.5rem;
  height: 2.5rem;
}

.login-brand-logo-text {
  font-family: var(--font-logo);
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
}

.login-brand-content {
  z-index: 2;
  max-width: 32rem;
}

.login-brand-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.login-brand-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.login-brand-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.login-brand-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
}

.login-brand-feature-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--admin-accent);
  flex-shrink: 0;
}

/* Decorative background */
.login-brand-mesh {
  position: absolute;
  inset: 0;
  opacity: 0.15;
  z-index: 1;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(96, 165, 250, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(96, 165, 250, 0.2) 0%, transparent 50%);
}

html.light .login-brand {
  background: linear-gradient(135deg, #e8eef7 0%, #edf2f9 100%);
}

@media (max-width: 1024px) {
  .login-brand {
    display: none;
  }
}

/* ========================================================== */
/* RIGHT SIDE: FORM                                           */
/* ========================================================== */

.login-form-container {
  flex: 1;
  background-color: var(--bg-primary);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.login-form-wrapper {
  width: 100%;
  max-width: 28rem;
}

.login-form-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-form-logo-mobile {
  display: none;
  font-family: var(--font-logo);
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

@media (max-width: 1024px) {
  .login-form-logo-mobile {
    display: block;
  }
}

.login-form-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.login-form-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

/* ========================================================== */
/* FORM ELEMENTS                                              */
/* ========================================================== */

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.login-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.login-form-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
}

.login-form-input {
  width: 100%;
  padding: var(--space-3);
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-xl);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-spring);
}

.login-form-input:focus {
  outline: none;
  border-color: var(--input-border-focus);
  background-color: var(--glass-bg-hover);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.08);
}

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

.login-password-wrapper {
  position: relative;
}

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

.login-password-toggle {
  position: absolute;
  right: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

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

.login-form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
}

.login-form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.login-form-checkbox input {
  width: 1.125rem;
  height: 1.125rem;
  cursor: pointer;
  accent-color: var(--admin-accent);
}

.login-form-checkbox-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.login-form-forgot {
  font-size: var(--text-sm);
  color: var(--admin-accent);
  text-decoration: none;
  font-weight: var(--fw-medium);
  transition: opacity var(--duration-fast) var(--ease-out);
}

.login-form-forgot:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* ========================================================== */
/* SUBMIT BUTTON                                              */
/* ========================================================== */

.login-form-submit {
  width: 100%;
  padding: var(--space-3);
  background-color: var(--admin-accent);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-spring);
  margin-top: var(--space-1);
  box-shadow: 0 0 40px rgba(96, 165, 250, 0.15);
}

.login-form-submit:hover {
  background-color: #3b82f6;
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(96, 165, 250, 0.25);
}

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

.login-form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}


/* ========================================================== */
/* FOOTER                                                     */
/* ========================================================== */

.login-form-footer {
  text-align: center;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

.login-form-footer-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.login-form-demo-info {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

/* ========================================================== */
/* ERROR MESSAGE                                              */
/* ========================================================== */

.login-form-error {
  padding: var(--space-3) var(--space-4);
  background-color: var(--status-overdue-bg);
  border: 1px solid var(--status-overdue-border);
  border-radius: var(--radius-lg);
  color: var(--status-overdue);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.login-form-error-icon {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

/* ========================================================== */
/* THEME TOGGLE                                               */
/* ========================================================== */

.login-theme-toggle {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-spring);
  z-index: 10;
}

.login-theme-toggle:hover {
  background-color: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  transform: scale(1.05);
}

.login-theme-toggle .topbar-theme-icon {
  position: absolute;
  transition: all var(--duration-normal) var(--ease-spring);
}

.login-theme-toggle .topbar-theme-icon-moon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.login-theme-toggle .topbar-theme-icon-sun {
  opacity: 0;
  transform: scale(0.75) rotate(90deg);
}

html.light .login-theme-toggle .topbar-theme-icon-moon {
  opacity: 0;
  transform: scale(0.75) rotate(-90deg);
}

html.light .login-theme-toggle .topbar-theme-icon-sun {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

/* ========================================================== */
/* RESPONSIVE                                                 */
/* ========================================================== */

@media (max-width: 768px) {
  .login-form-container {
    padding: var(--space-6);
  }

  .login-form-header {
    margin-bottom: var(--space-8);
  }

  .login-form-title {
    font-size: var(--text-2xl);
  }

  .login-brand-title {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 480px) {
  .login-form-container {
    padding: var(--space-4);
  }

  .login-form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}