:root {
  --color-primary: #F5D78E;
  --color-primary-hover: #E8C76E;
  --color-text: #2D2006;
  --color-text-on-primary: #4A3200;
  --color-text-muted: #8C7A62;
  --color-border: #E0D6C8;
  --color-background: #FAF7F2;
  --color-success: #66BB6A;
  --color-success-bg: #e8f5e9;
  --color-favorite: #e74c3c;
  --color-favorite-hover: #c0392b;

  /* Alert colors */
  --color-alert-bg: #fee2e2;
  --color-alert-border: #fecaca;
  --color-alert-text: #dc2626;

  /* Notice colors */
  --color-notice-bg: #dcfce7;
  --color-notice-border: #bbf7d0;
  --color-notice-text: #16a34a;

  --font-family: system-ui, -apple-system, sans-serif;
  --font-weight-semibold: 600;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background: var(--color-background);
  margin: 0;
  min-height: 100vh;
}

/* Stack utility - vertical flex with centered items */
.stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stack--xs { gap: 0.25rem; }
.stack--sm { gap: 0.5rem; }
.stack--lg { gap: 1.5rem; }
.stack--centered { align-items: center; }

.text-center { text-align: center; }

/* Buttons */

.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  border: none;
  border-radius: 0.5rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease;

  &:hover {
    background: var(--color-primary-hover);
  }
}

.btn--sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  border-radius: 0.4rem;
}

.btn--lg {
  padding: 0.75rem 1.5rem;
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-muted);
  border: 2px solid var(--color-border);

  &:hover {
    border-color: var(--color-primary);
    background: transparent;
  }
}

.btn--block {
  display: block;
  width: 100%;
  text-align: center;
}

.btn--favorite {
  background: transparent;
  color: var(--color-text-muted);
  border: 2px solid var(--color-border);
  font-size: 1.2rem;
  padding: 0.3rem 0.6rem;
  line-height: 1;
  font-family: inherit;

  &:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: transparent;
  }
}

/* Ensure form wrapper from button_to doesn't affect layout */
turbo-frame#favorite-button form {
  display: inline;
  margin: 0;
}

turbo-frame#favorite-button form button {
  font-family: inherit;
}

.btn--favorite-active {
  background: transparent;
  color: var(--color-favorite);
  border-color: var(--color-favorite);

  &:hover {
    color: var(--color-favorite-hover);
    border-color: var(--color-favorite-hover);
    background: transparent;
  }
}

/* Site header */

.site-header {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;

  &:hover {
    color: var(--color-primary);
  }
}

.site-header__bee {
  width: 1.4em;
  height: 1.4em;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.site-header__user {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.site-header__link {
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: 0.4rem;
  transition: all 0.2s ease;
  background: none;
  border: none;
  cursor: pointer;

  &:hover {
    background: var(--color-primary);
    color: var(--color-text-on-primary);
  }
}

.site-header__link--primary {
  background: var(--color-primary);
  color: var(--color-text-on-primary);

  &:hover {
    background: var(--color-primary-hover);
  }
}

.site-header__hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  margin-left: auto;
  color: var(--color-text);
}

/* Index */

.memory-games-index {
  padding: 2rem;
}

.memory-games-index__title {
  font-size: 2rem;
  text-align: center;
}

.memory-games-index__section-title {
  font-size: 1.5rem;
  margin-top: 0.5rem;
  text-align: center;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.memory-games-index__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.memory-games-index__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  max-width: 900px;
  width: 100%;
}

.memory-games-index__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
  transition: all 0.2s ease;

  &:hover {
    border-color: var(--color-primary);
    transform: scale(1.03);
  }
}

.memory-games-index__card-preview {
  font-size: 2rem;
  letter-spacing: 0.1em;
  text-align: center;
}

.memory-games-index__card-name {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
}

.memory-games-index__card--sm {
  padding: 0.75rem 0.5rem;

  .memory-games-index__card-preview {
    font-size: 1.25rem;
  }

  .memory-games-index__card-name {
    font-size: 0.85rem;
  }
}

/* Show */

.memory-game__links {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.memory-game__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0.9rem;

  a {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;

    &:hover {
      text-decoration: none;
      opacity: 0.8;
    }
  }
}

.memory-game__breadcrumb-separator {
  opacity: 0.55;
}

.memory-game__breadcrumb [aria-current="page"] {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
}

.memory-game {
  padding: 1rem;
}

.memory-game__title {
  font-size: 2rem;
  margin-top: 0;
  margin-bottom: 0.25rem;
  text-align: center;
}

.memory-game__description {
  font-size: 0.95rem;
  margin-top: 0;
  margin-bottom: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 400;
  text-align: center;
}

.memory-game__preview {
  font-size: 1.1rem;
  margin: 0;
  letter-spacing: 0.1em;
}

.memory-game__board {
  display: grid;
  grid-template-columns: repeat(var(--columns, 4), 1fr);
  gap: 0.75rem;
  max-width: 560px;
  width: 100%;
}

.memory-game__card {
  aspect-ratio: 1;
  font-size: var(--emoji-size, 2.5rem);
  border: 2px solid var(--color-primary);
  border-radius: 0.75rem;
  background: var(--color-primary);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.1s ease;
  container-type: inline-size;
  touch-action: manipulation;

  &:hover:not(.memory-game__card--flipped):not(.memory-game__card--matched) {
    transform: scale(1.05);
    border-color: #aaa;
  }
}

.memory-game__card-front,
.memory-game__card-back {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
}

.memory-game__card-front {
  background: var(--color-primary);
  color: #C9A85C;
  font-size: 1.1rem;

  &::after {
    content: "?";
    font-weight: 500;
  }
}

.memory-game__card-back {
  background: white;
  opacity: 0;
  transition: opacity 0.3s ease;
  flex-wrap: wrap;
  gap: 0.1em;
  text-align: center;
  word-break: break-word;
  line-height: 1.1;
  padding: 0.2em;

  &[data-text-size="xs"] { font-size: clamp(28px, 45cqw, 70px); }  /* 1-2 chars: emojis, "Up" */
  &[data-text-size="sm"] { font-size: clamp(16px, 28cqw, 40px); }  /* 3-4 chars: "Hot", "Fast" */
  &[data-text-size="md"] { font-size: clamp(14px, 22cqw, 32px); }  /* 5-6 chars: "Happy", "Small" */
  &[data-text-size="lg"] { font-size: clamp(12px, 16cqw, 24px); }  /* 7+ chars: "Elephant" */
}

.memory-game__card--flipped,
.memory-game__card--matched {
  & .memory-game__card-front {
    opacity: 0;
  }

  & .memory-game__card-back {
    opacity: 1;
  }
}

.memory-game__card--matched {
  border-color: var(--color-success);
  cursor: default;

  & .memory-game__card-back {
    background: var(--color-success-bg);
  }
}

.memory-game__scoreboard {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.memory-game__player {
  padding: 0.75rem 1rem;
  min-width: 0;
  border: 2px solid var(--color-border);
  border-radius: 0.5rem;
  opacity: 0.5;
  transition: all 0.3s ease;
}

.memory-game__player--active {
  opacity: 1;
  border-color: var(--color-primary);
  background: #FFF8E1;
}

.memory-game__player-name {
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
}

.memory-game__player-score {
  font-size: 1.5rem;
  font-weight: bold;
}

.memory-game__player-moves {
  font-size: 0.75rem;
  color: #999;
}

.memory-game__message {
  font-size: 1.5rem;
  margin-top: 1.5rem;
  font-weight: bold;
}

.memory-game__settings {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1.5rem;
}

.memory-game__setting-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Custom styled select
   =====================
   Los <select> nativos tienen estilos del navegador difíciles de modificar.
   Usamos appearance: none para resetearlos y estilizarlos desde cero. */

.memory-game__select-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

.memory-game__select {
  /* Elimina estilos nativos del navegador (flecha, bordes, sombras) */
  appearance: none;

  /* Padding asimétrico: más espacio a la derecha para la flecha custom */
  padding: 0.6rem 2.5rem 0.6rem 1rem;

  font-size: 1rem;
  font-weight: var(--font-weight-semibold);

  /* Los <select> no heredan font-family por defecto, hay que forzarlo */
  font-family: inherit;

  /* Flecha personalizada como SVG inline en el background.
     - El SVG dibuja un chevron ▼ con el path "M2 4l4 4 4-4"
     - Está URL-encoded (%3C = <, %3E = >, etc.)
     - Posicionada a 0.75rem del borde derecho, centrada verticalmente */
  background: white url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238C7A62' d='M2 4l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 0.75rem center;

  color: var(--color-text);
  border: 2px solid var(--color-border);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: border-color 0.2s ease;
  min-width: 5rem;

  /* text-align solo no funciona en <select>.
     text-align-last centra el texto del option seleccionado */
  text-align: center;
  text-align-last: center;

  &:hover, &:focus {
    border-color: var(--color-primary);
    outline: none;
  }
}

.memory-game__reset {
  margin-top: 1.5rem;
}

/* Mobile navigation */
@media (max-width: 600px) {
  .site-header {
    flex-wrap: wrap;
  }

  .site-header__hamburger {
    display: block;
  }

  .site-header__nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0.25rem;
    padding-top: 0.75rem;
  }

  .site-header__nav--open {
    display: flex;
  }

  .site-header__nav .site-header__link {
    width: 100%;
    text-align: center;
    padding: 0.6rem 0.8rem;
  }

  .site-header__nav .btn--sm {
    width: 100%;
    text-align: center;
  }
}

/* Mobile responsive */
@media (max-width: 480px) {
  .site-header {
    padding: 0.75rem 1rem;
  }

  .auth-container {
    margin: 0;
    padding: 1.5rem 1rem;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
  }

  .memory-game__title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .memory-game__settings {
    gap: 0.35rem;
    margin-bottom: 1rem;
  }

  .memory-game__setting-label {
    font-size: 0.65rem;
  }

  /* Reduce tamaño del select en mobile, manteniendo espacio para la flecha */
  .memory-game__select {
    padding: 0.4rem 2rem 0.4rem 0.75rem;
    font-size: 0.85rem;
    min-width: 4rem;
  }

  .memory-game__board {
    gap: 0.4rem;
  }

  .memory-game__player {
    padding: 0.5rem 0.75rem;
  }

  .memory-game__player-name {
    font-size: 0.75rem;
  }

  .memory-game__player-score {
    font-size: 1.25rem;
  }
}

/* Printables */

.memory-games-index__description {
  text-align: center;
  max-width: 600px;
  color: #5C4A2A;
  margin-bottom: 1rem;
}

.printables__card {
  cursor: default;

  &:hover {
    transform: none;
  }
}

.printables__card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* Authentication forms */

.auth-container {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  width: 100%;
}

.auth-title {
  font-size: 1.75rem;
  font-weight: var(--font-weight-semibold);
  text-align: center;
  margin: 0 0 1.5rem 0;
  color: var(--color-text);
}

.auth-description {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.auth-field label {
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.auth-field input {
  padding: 0.75rem;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: 0.5rem;
  transition: border-color 0.2s ease;
  width: 100%;
  box-sizing: border-box;

  &:focus {
    outline: none;
    border-color: var(--color-primary);
  }
}

.auth-links {
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.auth-links a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);

  &:hover {
    text-decoration: underline;
  }
}

/* Plays */

.plays {
  padding: 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.plays__title {
  font-size: 2rem;
  text-align: center;
  margin: 0;
}

.plays__section-title {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 0;
}

.plays__filters {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.plays__filter-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

.plays__filter-label {
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.plays__empty-filter {
  text-align: center;
  color: var(--color-text-muted);
  font-style: italic;
  padding: 1rem;
}

.plays__stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.plays__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1rem 1.5rem;
  border: 2px solid var(--color-border);
  border-radius: 0.75rem;
  min-width: 120px;
}

.plays__stat-value {
  font-size: 1.75rem;
  font-weight: bold;
  color: var(--color-text);
}

.plays__stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
}

.plays__table-wrapper {
  width: 100%;
  overflow-x: auto;
}

.plays__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.plays__table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
}

.plays__table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.plays__table a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);

  &:hover {
    text-decoration: underline;
  }
}

.plays__empty {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.plays__empty a {
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.plays__links {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

/* Flash messages */

.flash {
  max-width: 900px;
  margin: 1rem auto;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  text-align: center;
}

.flash--alert {
  background: var(--color-alert-bg);
  border: 1px solid var(--color-alert-border);
  color: var(--color-alert-text);
}

.flash--notice {
  background: var(--color-notice-bg);
  border: 1px solid var(--color-notice-border);
  color: var(--color-notice-text);
}

/* SEO Content block */
.memory-game__seo-content {
  background: #FFF8E7;
  border: 2px solid #F0DCA0;
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 2rem;
  max-width: 700px;
  text-align: left;
}

.memory-game__seo-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
  margin-top: 0;
}

.memory-game__seo-content p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.memory-game__seo-content p:last-child {
  margin-bottom: 0;
}

/* How to Play section */
.memory-game__how-to-play {
  margin-top: 2rem;
  max-width: 700px;
  text-align: left;
}

.memory-game__how-to-play h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1rem;
  margin-top: 0;
  text-align: center;
}

.memory-game__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.memory-game__step {
  background: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: border-color 0.2s ease;
}

.memory-game__step:hover {
  border-color: var(--color-primary);
}

.memory-game__step-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary-hover);
  margin-bottom: 0.5rem;
}

.memory-game__step-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 600;
  line-height: 1.4;
}

/* Mobile responsive for How to Play */
@media (max-width: 600px) {
  .memory-game__steps {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .memory-game__step {
    padding: 1rem;
  }

  .memory-game__step-number {
    font-size: 1.25rem;
  }

  .memory-game__step-description {
    font-size: 0.85rem;
  }
}