/* 2048 CUPCAKE - Responsive Layouts for Mobile, Tablet, Landscape & Desktop */

/* =========================================================================
   0. CONTAINER QUERIES FOR GAME HEADER & STAT BOXES
   ========================================================================= */
.game-header {
  container-type: inline-size;
  container-name: gameheader;
}

@container gameheader (max-width: 460px) {
  .game-top-bar {
    gap: 6px;
  }
  .stat-box {
    min-width: clamp(42px, 18cqw, 56px);
    padding: 2px 4px;
  }
  .stat-label {
    font-size: clamp(0.48rem, 2.2cqw, 0.58rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .stat-value {
    font-size: clamp(0.78rem, 3.8cqw, 0.98rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
}

@container gameheader (max-width: 360px) {
  .game-top-bar {
    gap: 4px;
  }
  .stat-box {
    min-width: clamp(38px, 16cqw, 48px);
    padding: 2px 3px;
  }
  .stat-label {
    font-size: clamp(0.44rem, 2cqw, 0.52rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .stat-value {
    font-size: clamp(0.72rem, 3.2cqw, 0.88rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
}

/* =========================================================================
   1. PORTRAIT VIEWPORT BREAKPOINTS & FLUID SCALING
   ========================================================================= */

/* Ultra-small mobile devices (< 340px width) */
@media (max-width: 340px) and (orientation: portrait) {
  #screen-game {
    padding: 8px 10px;
    gap: 6px;
  }

  .game-header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 4px;
  }

  .game-top-bar {
    gap: 4px;
    flex-wrap: nowrap;
  }

  .game-brand-group {
    gap: 4px;
    flex-wrap: nowrap;
  }

  .game-nav-actions .btn-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }

  .mode-tag {
    display: none;
  }

  .game-stats-bar {
    gap: 2px;
    flex-wrap: nowrap;
  }

  .stat-box {
    padding: 2px 4px;
    min-width: 30px;
    max-width: 50px;
  }

  .stat-label {
    font-size: 0.48rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .stat-value {
    font-size: 0.78rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .game-board {
    --grid-gap: 5px;
    --grid-padding: 5px;
    width: min(calc(100vw - 20px), calc(100dvh - 175px), 290px);
    height: min(calc(100vw - 20px), calc(100dvh - 175px), 290px);
  }

  .game-dpad-bar {
    margin-top: 10px;
    margin-bottom: 20px;
    gap: 10px;
  }

  .dpad-btn {
    width: 50px;
    height: 44px;
    font-size: 1.35rem;
  }

  #screen-menu {
    padding: 8px 10px 16px 10px;
    gap: 8px;
  }

  .menu-logo-icon {
    width: 46px;
    height: 46px;
  }

  .menu-title {
    font-size: 1.45rem;
  }

  .menu-tagline {
    font-size: 0.65rem;
    letter-spacing: 1px;
  }

  .menu-best-card {
    padding: 2px 8px;
  }

  .menu-btn-play-hero {
    padding: 9px 12px;
  }

  .play-hero-icon {
    width: 32px;
    height: 32px;
    font-size: 1.3rem;
  }

  .play-hero-title {
    font-size: 0.92rem;
  }

  .play-hero-sub {
    font-size: 0.64rem;
  }

  .menu-vertical-list {
    gap: 6px;
  }

  .menu-card-btn {
    padding: 7px 10px;
    gap: 8px;
    min-height: 46px;
  }

  .menu-card-icon {
    width: 30px;
    height: 30px;
    font-size: 1rem;
  }

  .menu-card-title {
    font-size: 0.80rem;
  }

  .menu-card-sub {
    font-size: 0.62rem;
  }
}

/* Small mobile devices (341px - 380px, Portrait) */
@media (min-width: 341px) and (max-width: 380px) and (orientation: portrait) {
  #screen-game {
    padding: 8px 10px;
    gap: 6px;
  }

  .game-board {
    --grid-gap: 6px;
    --grid-padding: 6px;
    width: min(calc(100vw - 20px), calc(100dvh - 175px), 340px);
    height: min(calc(100vw - 20px), calc(100dvh - 175px), 340px);
  }

  #screen-menu {
    padding: 10px 12px 18px 12px;
    gap: 10px;
  }
  
  .splash-title, .menu-title {
    font-size: 1.65rem;
  }

  .menu-vertical-list {
    gap: 7px;
  }

  .menu-card-btn {
    padding: 8px 12px;
    gap: 10px;
    min-height: 50px;
  }

  .menu-card-icon {
    width: 34px;
    height: 34px;
    font-size: 1.1rem;
  }

  .menu-card-title {
    font-size: 0.85rem;
  }

  .menu-card-sub {
    font-size: 0.66rem;
  }
}

/* Medium mobile devices (381px - 480px, Portrait) */
@media (min-width: 381px) and (max-width: 480px) and (orientation: portrait) {
  .game-board {
    width: min(calc(100vw - 24px), calc(100dvh - 190px), 390px);
    height: min(calc(100vw - 24px), calc(100dvh - 190px), 390px);
  }

  #screen-menu {
    padding: 14px 14px 22px 14px;
    gap: 12px;
  }
}

/* Tablets & Large Screens (Portrait, 481px+) */
@media (min-width: 481px) and (orientation: portrait) {
  #screen-game {
    max-width: 540px;
    padding: 16px 20px;
    gap: 14px;
  }

  .game-board {
    width: min(calc(100vw - 40px), calc(100dvh - 220px), 460px);
    height: min(calc(100vw - 40px), calc(100dvh - 220px), 460px);
    --grid-padding: 12px;
    --grid-gap: 10px;
  }

  .stat-box {
    min-width: 70px;
    padding: 6px 12px;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  #screen-menu {
    max-width: 500px;
    padding: 24px 20px;
    gap: 16px;
  }

  .menu-vertical-list {
    gap: 12px;
  }

  .menu-card-btn {
    padding: 12px 16px;
    min-height: 58px;
  }

  .menu-card-title {
    font-size: 0.98rem;
  }

  .menu-card-sub {
    font-size: 0.74rem;
  }
}

/* =========================================================================
   2. LANDSCAPE VIEWPORT REFLOW & PERFECT CENTER FLEXBOX
   ========================================================================= */

@media (orientation: landscape) {
  #screen-game {
    display: none;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    max-width: 960px;
    width: 100%;
    height: 100%;
    padding: clamp(6px, 1.5vh, 14px) max(14px, var(--safe-left)) clamp(6px, 1.5vh, 14px) max(14px, var(--safe-right));
    gap: clamp(12px, 2.5vw, 24px);
    overflow: hidden;
  }

  #screen-game.active {
    display: flex;
  }

  /* Left Column: Top Navigation & Stats */
  .game-header {
    width: clamp(140px, 22vw, 195px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(6px, 1.2vh, 10px);
    flex-shrink: 0;
  }

  .game-top-bar {
    flex-direction: column;
    align-items: stretch;
    gap: clamp(4px, 1vh, 8px);
  }

  .game-brand-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .game-nav-actions {
    gap: clamp(3px, 0.8vw, 6px);
  }

  .game-nav-actions .btn-icon {
    width: clamp(32px, 7.5vw, 40px);
    height: clamp(32px, 7.5vw, 40px);
    font-size: clamp(1rem, 2.4vw, 1.2rem);
  }

  .game-stats-bar {
    display: flex;
    flex-direction: column;
    gap: clamp(4px, 0.8vh, 8px);
    width: 100%;
  }

  .stat-box {
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
    padding: clamp(4px, 0.8vh, 8px) 12px;
    min-width: unset;
    box-sizing: border-box;
    overflow: hidden;
  }

  .stat-label {
    margin-bottom: 0;
    font-size: clamp(0.55rem, 1.8vh, 0.65rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 45%;
    display: inline-block;
  }

  .stat-value {
    font-size: clamp(0.85rem, 2.2vh, 1.12rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 55%;
    display: inline-block;
    text-align: right;
  }

  /* Center Column: 4x4 Grid Centered via Flexbox */
  .game-center-area {
    flex: 1 1 0;
    height: 100%;
    min-height: 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0;
  }

  .game-board-wrapper {
    flex: 1 1 0;
    height: 100%;
    width: 100%;
    min-height: 0;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .game-board {
    --grid-padding: clamp(6px, 1.5vh, 10px);
    --grid-gap: clamp(4px, 1.2vh, 8px);
    height: min(calc(100dvh - 20px), calc(100vw - 260px), 480px);
    width: min(calc(100dvh - 20px), calc(100vw - 260px), 480px);
    max-height: 100%;
    max-width: 100%;
    aspect-ratio: 1 / 1;
    margin: auto;
  }

  .game-dpad-bar {
    gap: 12px;
    margin-top: 4px;
    margin-bottom: 14px;
  }

  .dpad-btn {
    height: 42px;
    width: 52px;
    font-size: 1.3rem;
    border-radius: var(--radius-md);
  }

  .game-bottom-bar {
    display: none;
  }

  /* Main Menu in Landscape */
  #screen-menu {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    max-width: 860px;
    gap: clamp(14px, 2.5vw, 24px);
    padding: 10px 20px;
  }

  .menu-top-bar {
    display: none;
  }

  .menu-header-logo {
    width: 220px;
    margin: 0;
    gap: 3px;
    flex-shrink: 0;
  }

  .menu-logo-icon {
    width: 52px;
    height: 52px;
  }

  .menu-title {
    font-size: 1.5rem;
  }

  .menu-tagline {
    font-size: 0.65rem;
  }

  .menu-best-card {
    display: none;
  }

  .menu-actions-container {
    flex: 1;
    margin: 0;
    gap: 6px;
    max-width: 440px;
  }

  .menu-btn-play-hero {
    padding: 8px 12px;
  }

  .play-hero-icon {
    width: 32px;
    height: 32px;
    font-size: 1.3rem;
  }

  .play-hero-title {
    font-size: 0.95rem;
  }

  .play-hero-sub {
    font-size: 0.65rem;
  }

  .menu-vertical-list {
    gap: 5px;
  }

  .menu-card-btn {
    padding: 6px 10px;
    min-height: 42px;
    gap: 8px;
  }

  .menu-card-icon {
    width: 28px;
    height: 28px;
    font-size: 1rem;
  }

  .menu-card-title {
    font-size: 0.82rem;
  }

  .menu-card-sub {
    font-size: 0.62rem;
  }

  /* Modals in Landscape */
  .modal-dialog {
    max-height: min(94vh, 94dvh);
    max-width: min(500px, calc(100vw - 24px));
    padding: 12px 18px;
    gap: 8px;
  }

  .gameover-dialog {
    max-width: min(520px, calc(100vw - 24px));
    padding: 10px 18px;
    gap: 8px;
  }

  .gameover-badge {
    font-size: 1.8rem;
  }

  .gameover-title {
    font-size: 1.25rem;
  }

  .gameover-stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .gameover-stat-card {
    padding: 4px 6px;
  }

  .gameover-stat-label {
    font-size: 0.55rem;
  }

  .gameover-stat-val {
    font-size: 0.88rem;
  }

  .gameover-actions-row {
    margin-top: 4px;
    gap: 8px;
  }

  .gameover-actions-row .btn {
    padding: 8px 14px;
    font-size: 0.88rem;
  }

  .modal-body {
    padding: 8px 12px;
    gap: 8px;
  }

  .collection-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 5px;
  }

  .collection-item-icon {
    width: 32px;
    height: 32px;
  }
}

/* =========================================================================
   3. EXTRA SHORT SCREENS (Height < 520px)
   ========================================================================= */
@media (max-height: 520px) {
  .modal-backdrop {
    padding: 6px;
    align-items: center;
  }

  .modal-dialog {
    max-height: min(96vh, 96dvh);
    padding: 10px 14px;
    gap: 6px;
  }

  .gameover-dialog {
    padding: 8px 14px;
    gap: 6px;
  }

  .gameover-badge {
    font-size: 1.6rem;
  }

  .gameover-title {
    font-size: 1.15rem;
  }

  .gameover-stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
  }

  .gameover-stat-card {
    padding: 3px 4px;
  }

  .gameover-stat-label {
    font-size: 0.52rem;
  }

  .gameover-stat-val {
    font-size: 0.82rem;
  }

  .gameover-actions-row .btn {
    padding: 6px 10px;
    font-size: 0.82rem;
  }
  #screen-game {
    padding: 4px 10px;
    gap: 6px;
  }

  .game-header {
    width: 145px;
    gap: 4px;
  }

  .stat-box {
    padding: 2px 8px;
    box-sizing: border-box;
    overflow: hidden;
  }

  .stat-label {
    font-size: 0.58rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .stat-value {
    font-size: 0.88rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .game-board {
    height: min(calc(100dvh - 12px), calc(100vw - 180px), 380px);
    width: min(calc(100dvh - 12px), calc(100vw - 180px), 380px);
    --grid-padding: 6px;
    --grid-gap: 4px;
  }
}

/* =========================================================================
   4. LARGE DESKTOP MONITORS (> 1200px)
   ========================================================================= */
@media (min-width: 1200px) and (min-height: 750px) {
  .game-board {
    width: 460px;
    height: 460px;
    --grid-padding: 12px;
    --grid-gap: 10px;
  }
}