/* MB MEDIA — Built for MOHAMAD BASSEM MEFTAH — mftahbassem@gmail.com */
/* MB MEDIA — امدّ العصا. كل القواعد معزولة تحت #mb-app؛ الاستثناءات: تعريف المتغيرات + @font-face.
   قرار معتمد: ألوان مشهد اللعبة (السماء/التلال/الأشجار/المنصات) داخل Canvas ثابتة بالوضعين؛
   الوضع الفاتح يقلب فقط واجهة الصفحة المحيطة (تفصيل في README.md). */

:root {
  --navy:  #0E1B2E;
  --cyan:  #17B4D6;
  --white: #FFFFFF;
  --coral: #E8734A;
}

/* 4. الوضع الداكن (الافتراضي) / الفاتح — للواجهة المحيطة فقط */
:root {
  color-scheme: dark;
  --bg:            var(--navy);
  --fg:            var(--white);
  --bg-soft:       #16233B;
  --bg-softer:     #1C2C47;
  --border:        rgba(255, 255, 255, 0.13);
  --border-strong: rgba(255, 255, 255, 0.30);
  --fg-muted:      #A9B7CC;
  --fg-faint:      #76859E;
  --cyan-ink:      var(--cyan);
  --cyan-soft:     rgba(23, 180, 214, 0.14);
  --cyan-soft-2:   rgba(23, 180, 214, 0.24);
  --coral-hover:   #F0815B;
  --coral-glow:    rgba(232, 115, 74, 0.30);
  --overlay-bg:    rgba(14, 27, 46, 0.82);
  --card-bg:       var(--bg-soft);
  --shadow:        0 18px 40px rgba(0, 0, 0, 0.35);
  --radius:        14px;
  --radius-lg:     18px;
}

[data-theme="light"] {
  color-scheme: light;
  --bg:            #EFF4F9;
  --fg:            var(--navy);
  --bg-soft:       #FFFFFF;
  --bg-softer:     #E6EEF5;
  --border:        rgba(14, 27, 46, 0.14);
  --border-strong: rgba(14, 27, 46, 0.32);
  --fg-muted:      #47576E;
  --fg-faint:      #7B889E;
  --cyan-ink:      #0B7E9C;
  --cyan-soft:     rgba(11, 143, 174, 0.12);
  --cyan-soft-2:   rgba(11, 143, 174, 0.22);
  --coral-hover:   #F0815B;
  --coral-glow:    rgba(232, 115, 74, 0.28);
  --overlay-bg:    rgba(232, 238, 245, 0.85);
  --card-bg:       #FFFFFF;
  --shadow:        0 18px 40px rgba(14, 27, 46, 0.14);
}
html, body { background: var(--bg); }

@font-face {
  font-family: "MB Sans Arabic";
  src: url("./vendor/fonts/ibmplexarabic-400-arabic.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "MB Sans Arabic";
  src: url("./vendor/fonts/ibmplexarabic-700-arabic.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "MB Mono";
  src: url("./vendor/fonts/jetbrainsmono-500-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

#mb-app {
  --font-sans: "MB Sans Arabic", system-ui, -apple-system, "Segoe UI", Tahoma, Arial, sans-serif;
  --font-mono: "MB Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

/* BASE — بلا لمس لـ html/body أو عناصر عامة */
#mb-app {
  box-sizing: border-box;
  min-height: 100dvh;
  margin-inline: auto;
  max-width: 480px;
  padding: 22px 16px 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-block: 16px;
  color: var(--fg);
  font-family: var(--font-sans);
  direction: inherit;
  display: flex;
  flex-direction: column;
}
#mb-app *, #mb-app *::before, #mb-app *::after { box-sizing: inherit; }

/* الرأس */
#mb-app .mb-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
#mb-app .mb-eyebrow { margin: 0 0 2px; font-size: 0.72rem; letter-spacing: 0.22em; color: var(--cyan-ink); font-weight: 700; }
#mb-app .mb-title { margin: 0; font-size: 1.9rem; font-weight: 700; color: var(--fg); }

#mb-app .mb-icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; flex: none;
  border-radius: 12px; border: 1px solid var(--border-strong);
  background: var(--bg-soft); color: var(--fg-muted); cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
#mb-app .mb-icon-btn:hover { color: var(--cyan-ink); border-color: var(--cyan-ink); }
#mb-app .mb-icon-btn svg { width: 22px; height: 22px; }
#mb-app .mb-head__actions { display: flex; align-items: center; gap: 8px; }
#mb-app .mb-lang-btn__label { font-family: var(--font-mono); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; }

/* المسرح: حاوية Canvas بإطار مثل الجهاز */
#mb-app .mb-stage {
  position: relative;
  margin-block-start: 14px;
  flex: 1 1 auto;
  min-height: 320px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
#mb-app .mb-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

/* HUD: العداد أعلى المسرح */
#mb-app .mb-hud {
  position: absolute;
  inset-block-start: 10px;
  inset-inline-start: 0;
  inset-inline-end: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  pointer-events: none;
  z-index: 2;
}
#mb-app .mb-score {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 500;
  line-height: 1;
  color: var(--fg);
  direction: ltr;
  text-shadow: 0 2px 8px rgba(14, 27, 46, 0.5);
}
#mb-app .mb-best {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--fg-muted);
}
#mb-app .mb-best svg { width: 13px; height: 13px; }

/* التلميح: "اضغط مطوّلاً لتمديد العصا" */
#mb-app .mb-hint {
  position: absolute;
  inset-inline-start: 14px;
  inset-block-end: 14px;
  margin: 0;
  max-inline-size: 70%;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg);
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 8px 14px;
  line-height: 1.5;
  opacity: 0.9;
  pointer-events: none;
  z-index: 2;
}

/* رسالة "نتيجة مضاعفة!" */
#mb-app .mb-double {
  position: absolute;
  inset-inline-start: 0;
  inset-inline-end: 0;
  inset-block-start: 42%;
  margin: 0 auto;
  width: fit-content;
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--coral);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  z-index: 3;
}
#mb-app .mb-double.mb-double--show { animation: mb-double-pop 0.9s ease forwards; }

/* شاشة النهاية */
#mb-app .mb-over {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  background: var(--overlay-bg);
  z-index: 4;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
#mb-app .mb-over.mb-over--show { opacity: 1; visibility: visible; }
#mb-app .mb-over__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 22px 26px;
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
}
#mb-app .mb-over__title { margin: 0; font-size: 1.15rem; font-weight: 700; color: var(--fg); }
#mb-app .mb-over__score { margin: 0; font-family: var(--font-mono); font-size: 2.6rem; font-weight: 500; color: var(--cyan-ink); direction: ltr; }
#mb-app .mb-over__newbest { margin: 0; font-size: 0.78rem; font-weight: 600; color: var(--coral); }
#mb-app .mb-over__hint { margin: 0; font-size: 0.78rem; color: var(--fg-faint); }
#mb-app .mb-btn-restart {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  border: none;
  background: var(--coral);
  color: var(--navy);
  cursor: pointer;
  box-shadow: 0 14px 30px var(--coral-glow);
  transition: transform 0.15s ease, background-color 0.2s ease;
}
#mb-app .mb-btn-restart:hover { background: var(--coral-hover); transform: scale(1.05); }
#mb-app .mb-btn-restart:active { transform: scale(0.96); }
#mb-app .mb-btn-restart svg { width: 44px; height: 44px; }

/* شريط المعلومات أسفل المسرح */
#mb-app .mb-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-block-start: 14px;
}
#mb-app .mb-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 8px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-soft);
}
#mb-app .mb-stat b { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 500; color: var(--fg); direction: ltr; }
#mb-app .mb-stat span { font-size: 0.72rem; color: var(--fg-muted); }

/* ميزات إضافية (مميّزة) */
#mb-app .mb-extras {
  margin-block-start: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
#mb-app .mb-extras > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 0 16px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
#mb-app .mb-extras > summary::-webkit-details-marker { display: none; }
#mb-app .mb-extras__summary { font-weight: 700; font-size: 0.9rem; }
#mb-app .mb-extras__group { display: flex; align-items: center; gap: 8px; }
#mb-app .mb-extras__chevron { width: 18px; height: 18px; color: var(--fg-muted); transition: transform 0.2s ease; }
#mb-app .mb-extras[open] .mb-extras__chevron { transform: rotate(180deg); }
#mb-app .mb-extras__body { display: grid; gap: 18px; padding: 14px 16px 16px; border-block-start: 1px solid var(--border); }
#mb-app .mb-extras__block { display: grid; gap: 10px; }
#mb-app .mb-extras__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--fg-muted);
}
#mb-app .mb-extras__label svg { width: 17px; height: 17px; color: var(--cyan-ink); }
#mb-app .mb-extras__desc { margin: 0; font-size: 0.8rem; color: var(--fg-faint); }
#mb-app .mb-extras__value { margin: 0; font-family: var(--font-mono); font-size: 1rem; color: var(--fg); direction: ltr; text-align: start; }

#mb-app .mb-premium-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--cyan-soft);
  border: 1px solid var(--cyan-soft-2);
  color: var(--cyan-ink);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.4;
  white-space: nowrap;
}
#mb-app .mb-premium-badge svg { width: 12px; height: 12px; }

#mb-app .mb-skins { display: flex; flex-wrap: wrap; gap: 10px; }
#mb-app .mb-skin {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  background: transparent;
  cursor: pointer;
  position: relative;
}
#mb-app .mb-skin[aria-pressed="true"] { border-color: var(--cyan-ink); }
#mb-app .mb-skin svg { width: 100%; height: 100%; display: block; }

#mb-app .mb-footnote { margin: 18px 0 0; text-align: center; font-size: 0.72rem; color: var(--fg-faint); }
#mb-app .mb-live { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* حركة مخففة */
@media (prefers-reduced-motion: reduce) {
  #mb-app *, #mb-app *::before, #mb-app *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  /* رسالة مضاعفة: تظهر ثابتة بلا نبض بدل اختفائها الفوري بتقليص الحركة */
  #mb-app .mb-double.mb-double--show {
    animation: none !important;
    opacity: 1;
  }
}

@keyframes mb-double-pop {
  0%   { opacity: 0; transform: scale(0.6); }
  20%  { opacity: 1; transform: scale(1.08); }
  35%  { transform: scale(1); }
  70%  { opacity: 1; }
  100% { opacity: 0; transform: scale(1.05); }
}