/* === Responsive Talmud Layout === */

/* Tablet: 900px and below */
@media (max-width: 900px) {
  :root {
    --daf-padding: 1.5rem;
    --column-gap: 1.5rem;
  }

  .daf-body {
    grid-template-columns: 1fr 1fr;
  }
  .daf-gemara {
    grid-column: 1 / -1;
    grid-row: 1;
    border: none;
    border-bottom: 1px solid var(--parchment-shadow);
    padding: 0 0 1.5rem 0;
    margin-bottom: 1.5rem;
  }
  .daf-rashi {
    grid-column: 2;
    grid-row: 2;
  }
  .daf-tosafot {
    grid-column: 1;
    grid-row: 2;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links a { padding: 1rem 0.7rem; font-size: 0.8rem; }
  .nav-daf-number { display: none; }
}

/* Mobile: 600px and below */
@media (max-width: 600px) {
  :root {
    --daf-padding: 1rem;
  }

  .daf-page { margin: 1rem auto; padding: 0 0.5rem; }
  .daf-border { border-width: 4px; }
  .daf-border::before { inset: 3px; border-width: 1px; }

  .daf-body {
    grid-template-columns: 1fr;
  }
  .daf-gemara {
    grid-column: 1;
    font-size: 1rem;
  }
  .daf-rashi, .daf-tosafot {
    grid-column: 1;
    border-top: 1px solid var(--parchment-shadow);
    padding-top: 1rem;
    margin-top: 1rem;
  }

  /* Collapsible commentary on mobile */
  .daf-rashi, .daf-tosafot {
    max-height: 250px;
    overflow: hidden;
    position: relative;
    transition: max-height 0.4s ease;
  }
  .daf-rashi.expanded, .daf-tosafot.expanded {
    max-height: 2000px;
  }
  .commentary-toggle {
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--parchment-light));
    border: none;
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--navy);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 0.5rem;
  }

  .daf-number { font-size: 1.5rem; }
  .daf-header::after { left: 10%; right: 10%; }

  /* Mobile nav */
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #2c1810;
    flex-direction: column;
    border-top: 1px solid var(--border-color);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(139,115,85,0.2);
  }
  .nav-donate {
    margin: 0.5rem 1rem;
    text-align: center;
  }

  /* Mobile donate bar */
  .mobile-donate-bar { display: block; }
  body { padding-bottom: 70px; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
}

/* Large screens */
@media (min-width: 1400px) {
  :root {
    --daf-max-width: 1300px;
  }
  .daf-gemara { font-size: 1.2rem; }
}