/* MB MEDIA — Built for MOHAMAD BASSEM MEFTAH — mftahbassem@gmail.com */
/* MB MEDIA — Memory Match. كل القواعد معزولة تحت #mb-app؛
   الاستثناءات الوحيدة: تعريف المتغيرات (بند 3) + @font-face (الخطوط المحلية). */

/* 3. الهوية البصرية — ملزمة بلا تعديل */
:root {
  --navy:  #0E1B2E;
  --cyan:  #17B4D6;
  --white: #FFFFFF;
  --coral: #E8734A;
}

/* 4. الوضع الداكن (الافتراضي) / الفاتح */
: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;

  --board-bg:      #131F33;
  --card-back:     #1A2A44;
  --card-back-border: #2A4060;
  --card-matched:  rgba(23, 180, 214, 0.18);
  --card-matched-border: rgba(23, 180, 214, 0.45);
}

[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);
  --overlay-bg:    rgba(232, 238, 245, 0.88);
  --card-bg:       #FFFFFF;
  --shadow:        0 18px 40px rgba(14, 27, 46, 0.14);

  --board-bg:      #DCE6F0;
  --card-back:     #B8CADB;
  --card-back-border: #9AAFCA;
  --card-matched:  rgba(11, 143, 174, 0.10);
  --card-matched-border: rgba(11, 143, 174, 0.35);
}
html, body { background: var(--bg); }

/* الخطوط المحلية */
@font-face {
  font-family: "MB Sans Arabic"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("./vendor/fonts/ibmplexarabic-400-arabic.woff2") format("woff2");
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}
@font-face {
  font-family: "MB Sans Arabic"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("./vendor/fonts/ibmplexarabic-700-arabic.woff2") format("woff2");
  unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1;
}
@font-face {
  font-family: "MB Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("./vendor/fonts/jetbrainsmono-500-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

#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 */
#mb-app {
  box-sizing: border-box;
  min-height: 100dvh;
  margin-inline: auto;
  padding: 20px 16px 44px;
  max-width: 520px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-block: 16px;
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-align: start;
  transition: background-color 0.25s ease, color 0.25s ease;
}
#mb-app *, #mb-app *::before, #mb-app *::after { box-sizing: inherit; }
#mb-app [hidden] { display: none !important; }
#mb-app button { font: inherit; color: inherit; cursor: pointer; touch-action: manipulation; }
#mb-app svg { display: block; flex: none; }
#mb-app :focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* الرأس — مطابق لباقي الألعاب */
#mb-app .mb-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-block-end: 14px; }
#mb-app .mb-brand { display: grid; gap: 2px; }
#mb-app .mb-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; color: var(--cyan-ink); text-transform: uppercase; }
#mb-app .mb-title { margin: 0; font-family: var(--font-sans); font-size: clamp(1.5rem, 8vw, 2rem); font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; color: var(--cyan-ink); }

#mb-app .mb-icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; flex: none;
  border: 1px solid transparent; border-radius: 12px; background: transparent; color: var(--fg-muted);
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}
#mb-app .mb-icon-btn:hover, #mb-app .mb-icon-btn:focus-visible { color: var(--cyan-ink); border-color: var(--border-strong); background: var(--cyan-soft); }
#mb-app .mb-icon-btn:active { background: var(--cyan-soft-2); }
#mb-app .mb-icon-btn svg { width: 22px; height: 22px; }
#mb-app .mb-lang-btn { gap: 6px; padding-inline: 10px; width: auto; }
#mb-app .mb-lang-btn__label { font-family: var(--font-mono); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; }
#mb-app .mb-head__actions { display: flex; align-items: center; gap: 8px; }

/* شريط النقاط */
#mb-app .mb-scorebar { display: flex; gap: 10px; margin-block-end: 12px; }
#mb-app .mb-score { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-soft); }
#mb-app .mb-score__label { margin: 0; font-size: 0.74rem; font-weight: 700; color: var(--fg-muted); }
#mb-app .mb-score__value { margin: 4px 0 0; font-family: var(--font-mono); font-size: clamp(1.3rem, 7vw, 1.7rem); font-weight: 500; line-height: 1.1; direction: ltr; text-align: start; font-variant-numeric: tabular-nums; }
#mb-app .mb-score--best .mb-score__value { color: var(--cyan-ink); }

/* اختيار مستوى الصعوبة */
#mb-app .mb-levels { display: flex; gap: 8px; margin-block-end: 10px; }
#mb-app .mb-level-btn {
  flex: 1; min-height: 44px; padding: 0 12px;
  border-radius: 12px; border: 1px solid var(--border-strong);
  background: transparent; color: var(--fg-muted);
  font-size: 0.82rem; font-weight: 600;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
#mb-app .mb-level-btn:hover { color: var(--cyan-ink); border-color: var(--cyan-ink); }
#mb-app .mb-level-btn[aria-pressed="true"] { background: var(--cyan-soft); border-color: var(--cyan-ink); color: var(--cyan-ink); }

/* اللوحة — شبكة البطاقات */
#mb-app .mb-board {
  position: relative; width: 100%; max-width: 460px; margin-inline: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--board-bg);
  box-shadow: var(--shadow);
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  padding: 10px;
}

#mb-app .mb-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

/* البطاقة */
#mb-app .mb-card {
  perspective: 600px;
  aspect-ratio: 1;
  min-block-size: 44px;
  min-inline-size: 44px;
  cursor: pointer;
}
#mb-app .mb-card.mb-matched { cursor: default; }

#mb-app .mb-card__inner {
  position: relative;
  width: 100%; height: 100%;
  transition: transform 0.35s ease;
  transform-style: preserve-3d;
  border-radius: 10px;
}
#mb-app .mb-card.mb-flipped .mb-card__inner,
#mb-app .mb-card.mb-matched .mb-card__inner {
  transform: rotateY(180deg);
}

#mb-app .mb-card__front,
#mb-app .mb-card__back {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}

#mb-app .mb-card__back {
  background: var(--card-back);
  border: 2px solid var(--card-back-border);
}

#mb-app .mb-card__back::after {
  content: "?";
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 5vw, 1.8rem);
  font-weight: 500;
  color: var(--fg-faint);
  opacity: 0.3;
}

#mb-app .mb-card__front {
  transform: rotateY(180deg);
  background: var(--bg-softer);
  border: 2px solid var(--border-strong);
  padding: 12%;
}

#mb-app .mb-card__front img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
  pointer-events: none;
}

#mb-app .mb-card.mb-matched .mb-card__front {
  background: var(--card-matched);
  border-color: var(--card-matched-border);
}

/* النوافذ (فوز) */
#mb-app .mb-overlay {
  position: absolute; inset: 0; z-index: 10;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--overlay-bg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
#mb-app .mb-overlay.mb-visible { opacity: 1; pointer-events: auto; }
#mb-app .mb-overlay__card {
  width: 100%; max-width: 300px;
  padding: 22px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  text-align: center;
}
#mb-app .mb-overlay__title { margin: 0 0 8px; font-family: var(--font-sans); font-size: 1.5rem; font-weight: 700; color: var(--cyan-ink); }
#mb-app .mb-overlay__text { margin: 0 0 10px; font-size: 0.92rem; color: var(--fg-muted); }
#mb-app .mb-overlay__newbest { margin: 0 0 14px; font-size: 0.84rem; font-weight: 700; color: var(--coral); }
#mb-app .mb-overlay__actions { display: grid; gap: 10px; }

/* الأزرار */
#mb-app .mb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; min-height: 48px; padding: 0 20px;
  border-radius: 12px; border: 1px solid transparent;
  font-size: 1rem; font-weight: 700;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
#mb-app .mb-btn:active { transform: translateY(1px); }
#mb-app .mb-btn svg { width: 20px; height: 20px; }
#mb-app .mb-btn--new { background: var(--coral); color: var(--white); box-shadow: 0 10px 26px var(--coral-glow); }
#mb-app .mb-btn--new:hover { background: var(--coral-hover); }
#mb-app .mb-btn--ghost { background: transparent; border-color: var(--border-strong); color: var(--fg-muted); }
#mb-app .mb-btn--ghost:hover { color: var(--cyan-ink); border-color: var(--cyan-ink); }

/* شريط الأزرار السفلية */
#mb-app .mb-actions { display: flex; gap: 8px; margin-block-start: 14px; }
#mb-app .mb-actions .mb-btn--new { flex: 1; }
#mb-app .mb-actions .mb-btn--ghost { flex: none; width: auto; padding: 0 16px; }

/* الحاشية */
#mb-app .mb-footnote { display: flex; align-items: flex-start; gap: 8px; margin: 18px 0 0; font-size: 0.72rem; color: var(--fg-faint); }
#mb-app .mb-footnote svg { width: 15px; height: 15px; flex: none; margin-block-start: 2px; }
#mb-app .mb-live { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* شاشة عريضة — شبكة 6 أعمدة للمستوى الصعب */
@media (min-width: 500px) {
  #mb-app .mb-grid--hard { grid-template-columns: repeat(6, 1fr); }
}

/* 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;
  }
  #mb-app .mb-card__inner { transition: none; }
}