/* ============================================================
 * EMOJI UNIVERSE - RESPONSIVE
 * Breakpoints from postage stamp to wide-screen.
 * ============================================================ */

/* ============== ULTRA WIDE (1920+) ============== */
@media (min-width: 1920px) {
  :root {
    --container-max: 1680px;
  }

  .hero__title {
    font-size: clamp(80px, 9vw, 180px);
  }

  .cards-grid[data-size="m"] {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .masonry {
    columns: 5 240px;
  }
}

/* ============== WIDE (1440 → 1920) ============== */
@media (max-width: 1919px) {
  :root {
    --container-max: 1440px;
  }
}

/* ============== DESKTOP (1280 → 1440) ============== */
@media (max-width: 1439px) {
  :root {
    --container-max: 1220px;
  }

  .hero__stats {
    gap: 10px;
  }
}

/* ============== LAPTOP (1024 → 1280) ============== */
@media (max-width: 1279px) {
  :root {
    --container-max: 980px;
  }

  .app-nav__link {
    padding: 7px 10px;
    font-size: 12.5px;
  }

  .app-nav__link span {
    display: none;
  }

  .hero__stats {
    grid-template-columns: repeat(6, 1fr);
  }

  .modal__actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============== TABLET LANDSCAPE (900 → 1024) ============== */
@media (max-width: 1023px) {
  .app-header__inner {
    grid-template-columns: auto 1fr auto;
    gap: var(--space-3);
  }

  .app-nav {
    justify-self: end;
    overflow-x: auto;
    max-width: 480px;
    scrollbar-width: none;
  }

  .app-nav::-webkit-scrollbar { display: none; }

  .app-header__tools {
    display: none;
  }

  .brand__sub {
    display: none;
  }

  .hero__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .toolbar__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .toolbar__group--controls {
    justify-content: flex-start;
  }
}

/* ============== TABLET (768 → 900) ============== */
@media (max-width: 899px) {
  :root {
    --header-h: 60px;
  }

  .hero {
    padding-top: var(--space-7);
  }

  .hero__title {
    font-size: clamp(40px, 12vw, 80px);
  }

  .hero__copy {
    font-size: 16px;
  }

  .search__input {
    font-size: 16px;
  }

  .section__title {
    font-size: 28px;
  }

  .section__sub {
    font-size: 13px;
  }

  .cards-grid[data-size="m"] {
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  }

  .masonry {
    columns: 3 180px;
  }

  .modal__panel {
    padding: var(--space-5);
  }

  .modal__hero {
    font-size: 80px;
  }

  .kbd-grid {
    grid-template-columns: 1fr;
  }
}

/* ============== MOBILE (480 → 768) ============== */
@media (max-width: 767px) {
  .app-header__inner {
    padding: 0 var(--space-3);
  }

  .brand__text {
    display: none;
  }

  .app-nav__list {
    background: transparent;
    border: none;
    padding: 0;
  }

  .app-nav__link {
    padding: 6px 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
  }

  .app-nav__link.is-active {
    background: var(--grad-accent);
    border-color: transparent;
  }

  .hero {
    padding: var(--space-6) var(--space-4) var(--space-8);
  }

  .hero__title {
    font-size: clamp(36px, 14vw, 64px);
  }

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__scroll {
    display: none;
  }

  .search__field {
    padding: 4px;
  }

  .search__icon {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  .search__kbd {
    display: none;
  }

  .app-main {
    padding: var(--space-5) var(--space-4) var(--space-8);
  }

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

  .section__actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .cards-grid[data-size="m"] {
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  }

  .cards-grid[data-size="l"] {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  }

  .cards-grid[data-size="xl"] {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .masonry {
    columns: 2 140px;
    column-gap: var(--space-2);
  }

  .sticker-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .sticker__glyph {
    font-size: 56px;
  }

  .kaomoji-grid {
    grid-template-columns: 1fr 1fr;
  }

  .reaction-grid {
    grid-template-columns: 1fr;
  }

  .ascii-grid {
    grid-template-columns: 1fr;
  }

  .symbol-grid {
    grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  }

  .modal__panel {
    padding: var(--space-5) var(--space-4);
    border-radius: var(--radius-lg);
  }

  .modal__hero {
    font-size: 64px;
  }

  .modal__title {
    font-size: 22px;
  }

  .modal__actions {
    grid-template-columns: 1fr 1fr;
  }

  .app-footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-4);
  }

  .app-footer__brand {
    justify-content: center;
  }

  .app-footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .app-footer__theme-quick {
    justify-content: center;
  }
}

/* ============== SMALL MOBILE (< 480) ============== */
@media (max-width: 479px) {
  :root {
    --space-6: 16px;
  }

  .app-nav__link {
    font-size: 11px;
    padding: 6px 6px;
  }

  .hero__title {
    font-size: clamp(32px, 16vw, 56px);
  }

  .hero__copy {
    font-size: 14px;
  }

  .hero__badge {
    font-size: 10px;
    padding: 6px 12px;
  }

  .cards-grid[data-size="m"] {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  }

  .modal__panel {
    padding: var(--space-4) var(--space-3);
  }

  .modal__actions {
    grid-template-columns: 1fr;
  }

  .kbd-grid {
    gap: var(--space-3);
  }
}

/* ============== TOUCH OPTIMIZATIONS ============== */
@media (hover: none) {
  .card:hover,
  .sticker:hover,
  .kao:hover,
  .gif-card:hover,
  .symbol:hover,
  .reaction-pack__item:hover {
    transform: none;
  }

  .card__label {
    opacity: 0.8;
    transform: none;
  }

  .gif-card__overlay {
    opacity: 1;
  }

  .icon-btn {
    width: 44px;
    height: 44px;
  }

  .seg__btn,
  .cat {
    min-height: 36px;
  }
}

/* ============== LANDSCAPE ============== */
@media (orientation: landscape) and (max-height: 600px) {
  .hero {
    min-height: auto;
    padding: var(--space-5) var(--space-4);
  }

  .hero__title {
    font-size: clamp(24px, 6vw, 48px);
  }

  .hero__stats {
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
  }

  .stat {
    padding: var(--space-2);
  }
}

/* ============== HIGH-DPI ============== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
  .card__glyph,
  .sticker__glyph,
  .modal__hero {
    text-rendering: optimizeLegibility;
  }
}

/* ============== PREFERS DARK / LIGHT (theme defaults) ============== */
@media (prefers-color-scheme: light) {
  /* Default theme stays user-chosen - but provide nicer defaults */
  :root:not([data-theme]) {
    color-scheme: light;
  }
}