/* ============================
 * Login Screen - Split Layout
 * Shown when user is logged out
 * ============================ */

/* Container visibility based on auth state */
body[data-logged-in="false"] #loginScreenContainer {
  display: flex;
}

body[data-logged-in="true"] #loginScreenContainer {
  display: none;
}

body[data-logged-in="true"] .tab-bar-wrapper,
body[data-logged-in="true"] #mainContent {
  display: flex;
}

body[data-logged-in="false"] .tab-bar-wrapper,
body[data-logged-in="false"] #mainContent {
  display: none;
}

/* Login screen container */
.login-screen-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow-y: auto;
  /* Enable vertical scrolling */
  overflow-x: hidden;
  /* Hide horizontal overflow */
  background: var(--surface-background, #f8f9fa);
  z-index: 1;
}

/* Split layout wrapper */
.login-screen-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* 50/50 split */
  min-height: 100%;
  width: 100%;
}

/* ============================
 * Left Side: Branding
 * ============================ */

.login-screen-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-6, 1.5rem);
  background: var(--surface-default, #ffffff);
  gap: var(--spacing-3, 0.75rem);
}

.login-screen-logo {
  max-width: 300px;
  /* Reduced from 280px */
  width: 100%;
  height: auto;
  margin-bottom: var(--spacing-2, 0.5rem);
  /* Reduced gap */
}

.login-screen-tagline {
  font-size: 22px;
  /* Slightly reduced from 24px */
  font-weight: var(--font-weight-semibold, 600);
  color: var(--text-primary, #333);
  text-align: center;
  margin: 0;
  max-width: 380px;
  line-height: 1.4;
}

.login-screen-abstract {
  max-width: 200px;
  /* Reduced to ~40% (from 500px) */
  width: 100%;
  height: auto;
  margin-top: var(--spacing-2, 0.5rem);
  /* Reduced gap */
}

/* ============================
 * Right Side: Login Form
 * ============================ */

.login-screen-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-6, 1.5rem);
  background: var(--surface-alt, #f0f2f5);
}

#loginFormContainer {
  width: 100%;
  max-width: 300px;
  /* Reduced from 420px for narrower form */
}

/* Embedded form styling (non-modal) */
#loginFormContainer .login-form-embedded {
  background: var(--surface-default, #ffffff);
  border: 1px solid var(--border-subtle, rgba(0, 0, 0, 0.1));
  border-radius: 8px;
  padding: var(--spacing-6, 1.5rem);
  /* Reduced from 2rem */
  box-shadow: 0 2px 8px var(--shadow-subtle, rgba(0, 0, 0, 0.05));
}

#loginFormContainer .login-form-embedded h2 {
  font-size: 24px;
  /* Reduced from 28px */
  font-weight: var(--font-weight-semibold, 600);
  color: var(--text-primary, #333);
  margin: 0 0 var(--spacing-4, 1rem) 0;
  /* Reduced from 1.5rem */
  text-align: center;
}

/* Form group spacing */
#loginFormContainer .form-group {
  margin-bottom: var(--spacing-3, 0.75rem);
  /* Reduced from 1rem */
}

/* Button group spacing */
#loginFormContainer .button-group {
  margin-top: var(--spacing-4, 1rem);
  /* Reduced from 1.5rem */
  display: flex;
  gap: var(--spacing-2, 0.5rem);
  justify-content: flex-end;
}

/* Links styling */
#loginFormContainer .login-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2, 0.5rem);
  margin-top: var(--spacing-3, 0.75rem);
  /* Reduced from 1rem */
  font-size: var(--font-size-sm, 0.875rem);
}

#loginFormContainer .login-links a {
  color: var(--interactive-primary, #0e3048);
  text-decoration: none;
}

#loginFormContainer .login-links a:hover {
  text-decoration: underline;
}

/* ============================
 * Responsive: Mobile/Tablet
 * ============================ */

/* Tablets and below: Hide branding, show only login */
@media (max-width: 768px) {
  .login-screen-wrapper {
    grid-template-columns: 1fr;
    /* Single column */
  }

  .login-screen-left {
    display: none;
    /* Hide branding side */
  }

  .login-screen-right {
    background: var(--surface-default, #ffffff);
    padding: var(--spacing-3, 0.75rem);
  }

  #loginFormContainer {
    max-width: 100%;
  }

  #loginFormContainer .login-form-embedded {
    border: none;
    box-shadow: none;
    padding: var(--spacing-3, 0.75rem);
  }
}

/* Very small screens */
@media (max-width: 480px) {
  .login-screen-right {
    padding: var(--spacing-2, 0.5rem);
  }

  #loginFormContainer .login-form-embedded {
    padding: var(--spacing-2, 0.5rem);
  }

  #loginFormContainer .login-form-embedded h2 {
    font-size: 20px;
    /* Reduced from 24px */
  }
}