/* Éléments visuels communs à toutes les pages. */

html[data-theme="dark"] {
  background: #0b0f16;
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at 50% -15%, rgba(244, 207, 44, 0.045), transparent 35%),
    #0b0f16;
}

html[data-theme="dark"] :is(.site-header, .series-header, .progress-header, .game-header) {
  background: color-mix(in srgb, #0b0f16 88%, transparent);
}

html[data-theme="dark"] :is(.main-nav, .series-nav, .progress-nav, .game-nav) {
  background: #121823 !important;
}

html[data-theme="light"] {
  background: #f4f5f2;
}

html[data-theme="light"] body {
  background:
    radial-gradient(circle at 50% -15%, rgba(244, 207, 44, 0.07), transparent 35%),
    #f4f5f2;
}

html[data-theme="dark"] body.home-page {
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    radial-gradient(circle at 50% -15%, rgba(244, 207, 44, 0.045), transparent 35%),
    #0b0f16;
  background-size: 72px 72px, 72px 72px, auto, auto;
}

html[data-theme="light"] body.home-page {
  background:
    linear-gradient(rgba(17, 21, 26, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 21, 26, 0.018) 1px, transparent 1px),
    radial-gradient(circle at 50% -15%, rgba(244, 207, 44, 0.07), transparent 35%),
    #f4f5f2;
  background-size: 72px 72px, 72px 72px, auto, auto;
}

html[data-theme="light"] :is(.site-header, .series-header, .progress-header, .game-header) {
  background: color-mix(in srgb, #f4f5f2 88%, transparent);
}

:is(.series-header, .progress-header, .game-header) {
  width: min(1180px, calc(100vw - 40px));
  margin-left: 50%;
  transform: translateX(-50%);
  min-height: 78px !important;
}

:is(.series-brand, .progress-brand, .game-brand) {
  gap: 10px !important;
}

:is(.series-brand, .progress-brand) {
  font-weight: 950 !important;
  letter-spacing: -0.07em;
}

:is(.series-brand, .progress-brand) > span,
.game-logo-text {
  font-size: clamp(24px, 2.3vw, 30px) !important;
  font-weight: 950 !important;
  letter-spacing: -0.07em !important;
  line-height: 1 !important;
}

:is(.series-brand, .progress-brand) b,
.game-logo-question {
  width: 34px !important;
  height: 34px !important;
  font-size: 19px !important;
  line-height: 1 !important;
  box-shadow:
    0 10px 24px rgba(244, 207, 44, 0.22),
    inset 0 -2px 0 rgba(0, 0, 0, 0.12) !important;
}

.game-logo-text {
  font-size: clamp(24px, 2.3vw, 30px) !important;
  font-weight: 950 !important;
  letter-spacing: -0.07em !important;
  line-height: 1 !important;
}

:is(.header-actions, .series-header-actions, .progress-header-actions) {
  gap: 10px !important;
}

:is(.main-nav, .series-nav, .progress-nav, .game-nav) {
  position: relative;
  min-height: 42px !important;
  padding: 4px !important;
  gap: 4px !important;
  border: 1px solid var(--line) !important;
  border-radius: 14px !important;
  box-shadow: none !important;
}

:is(.main-nav, .series-nav, .progress-nav, .game-nav) > a {
  position: relative;
  z-index: 2;
}

.nav-active-indicator {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  border-radius: 10px;
  background: var(--yellow);
  box-shadow: 0 6px 16px rgba(244, 207, 44, 0.2);
  pointer-events: none;
  transition:
    width 0.28s cubic-bezier(0.2, 0.75, 0.25, 1),
    height 0.28s cubic-bezier(0.2, 0.75, 0.25, 1),
    transform 0.28s cubic-bezier(0.2, 0.75, 0.25, 1);
}

:is(.main-nav, .series-nav, .progress-nav, .game-nav).has-active-indicator > a.is-active {
  background: transparent !important;
}

:is(.main-nav, .series-nav, .progress-nav, .game-nav) > a svg {
  transition: transform 0.18s ease;
}

:is(.main-nav, .series-nav, .progress-nav, .game-nav) > a:hover svg {
  transform: translateY(-1px) scale(1.08);
}

/* Cartes et surfaces : même finition sur tout le site. */
:is(
  .series-choice,
  .contact-card,
  .account-panel,
  .global-best-card,
  .badges-section,
  .series-card,
  .mistake-card,
  .how-card,
  .feature-card
) {
  border-color: color-mix(in srgb, var(--yellow) 9%, var(--line)) !important;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

:is(.series-choice, .how-card, .feature-card, .badge-card.is-unlocked):hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--yellow) 32%, var(--line)) !important;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.14);
}

/* Apparition progressive, activée par ui-enhancements.js. */
.ui-reveal-item {
  opacity: 0;
  transform: translateY(18px);
}

.ui-reveal-item.is-revealed {
  animation: uiReveal 0.52s cubic-bezier(0.2, 0.72, 0.25, 1) forwards;
  animation-delay: min(calc(var(--reveal-order, 0) * 55ms), 275ms);
}

@keyframes uiReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Micro-interactions communes aux boutons importants. */
:is(
  .primary-button,
  .final-play,
  .home-contact-link,
  .contact-submit,
  .series-choice > a,
  .series-choice > button,
  #account-login,
  #account-signup,
  .global-progress-link,
  .review-mistakes-button
) {
  position: relative;
  overflow: hidden;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease !important;
}

:is(
  .primary-button,
  .final-play,
  .home-contact-link,
  .contact-submit,
  .series-choice > a,
  #account-login,
  .global-progress-link,
  .review-mistakes-button
):not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 13px 30px rgba(244, 207, 44, 0.16);
  filter: brightness(1.025);
}

:is(
  .primary-button,
  .final-play,
  .home-contact-link,
  .contact-submit,
  .series-choice > a,
  #account-login,
  .global-progress-link,
  .review-mistakes-button
):not(:disabled)::after {
  content: "";
  position: absolute;
  top: -70%;
  left: -45%;
  width: 24%;
  height: 240%;
  background: rgba(255, 255, 255, 0.28);
  transform: rotate(20deg);
  transition: left 0.55s ease;
  pointer-events: none;
}

:is(
  .primary-button,
  .final-play,
  .home-contact-link,
  .contact-submit,
  .series-choice > a,
  #account-login,
  .global-progress-link,
  .review-mistakes-button
):not(:disabled):hover::after {
  left: 125%;
}

:is(button, a):active {
  transform: scale(0.98);
}

/* Résultats et badges. */
@property --score-percent {
  syntax: "<number>";
  inherits: false;
  initial-value: 0;
}

@property --bar-value {
  syntax: "<number>";
  inherits: false;
  initial-value: 0;
}

@property --history-percent {
  syntax: "<number>";
  inherits: false;
  initial-value: 0;
}

[style*="--score-percent"] {
  transition: --score-percent 1.05s cubic-bezier(0.2, 0.75, 0.25, 1);
}

[style*="--bar-value"],
[style*="--history-percent"] {
  transition:
    --bar-value 0.9s cubic-bezier(0.2, 0.75, 0.25, 1),
    --history-percent 0.9s cubic-bezier(0.2, 0.75, 0.25, 1);
}

.session-result-ring,
.global-score-ring,
.series-last-score {
  animation: scoreReveal 0.65s cubic-bezier(0.18, 0.8, 0.25, 1) both;
}

@keyframes scoreReveal {
  from { opacity: 0; transform: scale(0.82) rotate(-5deg); }
  to { opacity: 1; transform: scale(1) rotate(0); }
}

.session-badge-reward,
.badge-card.is-unlocked {
  animation: badgeUnlock 0.58s cubic-bezier(0.2, 0.9, 0.3, 1.25) both;
}

.badge-card.is-unlocked .badge-icon {
  filter: drop-shadow(0 5px 12px rgba(244, 207, 44, 0.22));
}

@keyframes badgeUnlock {
  0% { opacity: 0; transform: scale(0.84) translateY(8px); }
  70% { opacity: 1; transform: scale(1.025) translateY(0); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.ui-confetti-layer {
  position: fixed;
  inset: 0;
  z-index: 100;
  overflow: hidden;
  pointer-events: none;
}

.ui-confetti {
  position: absolute;
  top: -20px;
  left: var(--confetti-left);
  width: 8px;
  height: 14px;
  border-radius: 3px;
  background: var(--confetti-color);
  animation: confettiFall var(--confetti-duration) var(--confetti-delay) ease-in forwards;
}

@keyframes confettiFall {
  to {
    transform: translate3d(var(--confetti-drift), 105vh, 0) rotate(620deg);
    opacity: 0.8;
  }
}

body {
  animation: pageEnter 0.32s ease-out both;
  transition: opacity 0.16s ease;
}

body.is-page-leaving {
  opacity: 0;
}

@keyframes pageEnter {
  from { opacity: 0; }
  to { opacity: 1; }
}

html[data-theme="light"] :is(.main-nav, .series-nav, .progress-nav, .game-nav) {
  background: #f8f5e8 !important;
}

:is(.main-nav, .series-nav, .progress-nav, .game-nav) > a {
  min-height: 34px !important;
  padding: 0 12px !important;
  gap: 6px !important;
  border-radius: 10px !important;
  font-size: 11px !important;
  font-weight: 800 !important;
}

:is(.theme-toggle, .series-theme-toggle, .progress-theme-toggle) {
  position: relative;
  width: 42px !important;
  min-width: 42px !important;
  min-height: 42px !important;
  padding: 0 !important;
  display: inline-grid !important;
  place-items: center !important;
  border-radius: 12px !important;
  border-color: rgba(18, 25, 34, 0.11) !important;
  background: #ffffff !important;
  color: #151a22 !important;
}

:is(.theme-toggle, .series-theme-toggle, .progress-theme-toggle) > :is(.theme-sun, .theme-moon) {
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  line-height: 0;
}

:is(.theme-toggle, .series-theme-toggle, .progress-theme-toggle) svg {
  width: 20px;
  height: 20px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

html[data-theme="light"] :is(.theme-toggle, .series-theme-toggle, .progress-theme-toggle) .theme-sun,
html[data-theme="dark"] :is(.theme-toggle, .series-theme-toggle, .progress-theme-toggle) .theme-moon {
  display: flex !important;
}

html[data-theme="dark"] :is(.theme-toggle, .series-theme-toggle, .progress-theme-toggle) .theme-sun,
html[data-theme="light"] :is(.theme-toggle, .series-theme-toggle, .progress-theme-toggle) .theme-moon {
  display: none !important;
}

.back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 70;
  width: 46px;
  height: 46px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(17, 21, 26, 0.12);
  border-radius: 50%;
  background: var(--yellow);
  color: #11151a;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 900px) {
  :is(.main-nav, .series-nav, .progress-nav, .game-nav) {
    min-height: 36px !important;
    padding: 3px !important;
    gap: 2px !important;
    border-radius: 12px !important;
  }

  :is(.main-nav, .series-nav, .progress-nav, .game-nav) > a {
    width: 34px !important;
    min-height: 30px !important;
    padding: 0 !important;
    border-radius: 9px !important;
  }

  :is(.main-nav-label, .series-nav-label, .progress-nav-label, .game-nav-label) {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
  }

  :is(.main-nav-icon, .series-nav-icon, .progress-nav-icon, .game-nav-icon) {
    display: block !important;
    width: 17px !important;
    height: 17px !important;
  }

  :is(.theme-toggle, .series-theme-toggle, .progress-theme-toggle) {
    width: 36px !important;
    min-width: 36px !important;
    min-height: 36px !important;
    border-radius: 10px !important;
  }
}

@media (max-width: 650px) {
  :is(.header-inner, .series-header, .progress-header, .game-header) {
    min-height: 68px !important;
  }

  .brand-title,
  :is(.series-brand, .progress-brand) > span,
  .game-logo-text {
    font-size: 24px !important;
  }

  .brand-badge,
  :is(.series-brand, .progress-brand) b,
  .game-logo-question {
    width: 34px !important;
    height: 34px !important;
    font-size: 19px !important;
  }

  .brand-main,
  :is(.series-brand, .progress-brand, .game-brand) {
    gap: 10px !important;
  }
}

@media (max-width: 430px) {
  .progress-brand span {
    font-size: inherit !important;
  }

  .progress-brand span::after {
    content: none !important;
  }

  .game-logo-text {
    display: block !important;
  }

  .brand-title,
  :is(.series-brand, .progress-brand) > span,
  .game-logo-text {
    font-size: 24px !important;
  }

  .brand-badge,
  :is(.series-brand, .progress-brand) b,
  .game-logo-question {
    width: 34px !important;
    height: 34px !important;
    font-size: 19px !important;
  }

  .brand-main,
  :is(.series-brand, .progress-brand, .game-brand) {
    gap: 10px !important;
  }

  :is(.main-nav, .series-nav, .progress-nav, .game-nav) > a {
    width: 30px !important;
  }

  .back-to-top {
    width: 42px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .back-to-top { transition: none; }
  .ui-reveal-item { opacity: 1; transform: none; }
  .ui-confetti-layer { display: none; }
}