/* MB MEDIA — Image Compressor. كل القواعد معزولة تحت #mb-app؛ الاستثناءات: تعريف المتغيرات + @font-face. */

/* 3. الهوية البصرية */
: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:       #152540;
  --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);
  --danger:        #E96A6A;
  --coral-hover:   #F0815B;
  --coral-glow:    rgba(232, 115, 74, 0.30);
  --coral-glow-2:  rgba(232, 115, 74, 0.25);
  --shadow-thumb:  0 1px 4px rgba(0, 0, 0, 0.35);
  --shadow:        0 18px 40px rgba(0, 0, 0, 0.30);
  --radius:        14px;
  --radius-lg:     18px;
}

[data-theme="light"] {
  color-scheme: light;
  --bg:            var(--white);
  --fg:            var(--navy);
  --bg-soft:       #F2F6FB;
  --bg-softer:     #E9EFF7;
  --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);
  --danger:        #C94343;
  --shadow:        0 18px 40px rgba(14, 27, 46, 0.12);
}

html, body { background: var(--bg); }

/* الخطوط المحلية (vendor/fonts) — الأسماء المستعارة تمنع تصادم الخطوط عند الدمج بالموقع. الرخص: CREDITS.md */
@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 Sans"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("./vendor/fonts/inter-400-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;
}
@font-face {
  font-family: "MB Sans"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("./vendor/fonts/inter-600-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;
}
@font-face {
  font-family: "MB Display"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("./vendor/fonts/sora-600-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;
}
@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", "MB Sans Arabic", system-ui, -apple-system, "Segoe UI", Tahoma, Arial, sans-serif;
  --font-head: "MB Sans Arabic", "MB Display", "MB Sans", system-ui, 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;
  padding: 20px 16px 44px;
  max-width: 680px;
  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, #mb-app input { font: inherit; color: inherit; }
#mb-app button { cursor: pointer; touch-action: manipulation; }
#mb-app svg { display: block; flex: none; }
#mb-app :focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
#mb-app .mb-main { display: grid; gap: 20px; }

/* شريط الأدوات */
#mb-app .mb-toolbar { display: flex; justify-content: space-between; gap: 8px; margin-block-end: 4px; }
#mb-app .mb-icon-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-width: 44px; min-height: 44px; padding: 0 12px;
  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 .mb-icon-btn__label { font-size: 0.85rem; font-weight: 600; }

/* المقدمة */
#mb-app .mb-hero { margin-block-start: 8px; }
#mb-app .mb-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; color: var(--cyan-ink); text-transform: uppercase; }
#mb-app .mb-eyebrow svg { width: 14px; height: 14px; }
#mb-app .mb-title { margin: 8px 0 0; font-family: var(--font-head); font-size: clamp(1.7rem, 6vw, 2.4rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
#mb-app .mb-subtitle { margin: 10px 0 0; max-width: 46ch; color: var(--fg-muted); font-size: 0.95rem; }

/* شريط الثقة (نقطة البيع) */
#mb-app .mb-trust { display: flex; gap: 14px; align-items: flex-start; padding: 14px 16px; border: 1px solid var(--cyan-soft-2); border-radius: var(--radius); background: var(--cyan-soft); }
#mb-app .mb-trust svg { width: 22px; height: 22px; color: var(--cyan-ink); margin-block-start: 2px; }
#mb-app .mb-trust__title { margin: 0; font-size: 0.98rem; font-weight: 700; color: var(--fg); }
#mb-app .mb-trust__text { margin: 3px 0 0; font-size: 0.86rem; color: var(--fg-muted); }

/* منطقة السحب والإفلات */
#mb-app .mb-dropzone {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  min-height: 208px; padding: 28px 20px; text-align: center;
  border: 2px dashed var(--cyan-soft-2); border-radius: var(--radius-lg); background: var(--bg-soft); cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}
#mb-app .mb-dropzone:hover, #mb-app .mb-dropzone:focus-within { border-color: var(--cyan-ink); }
#mb-app .mb-dropzone[data-dragover="true"] { border-color: var(--cyan-ink); background: var(--cyan-soft); }
#mb-app .mb-dropzone__icon { width: 46px; height: 46px; color: var(--cyan-ink); }
#mb-app .mb-dropzone__title { margin: 4px 0 0; font-size: 1.02rem; font-weight: 700; }
#mb-app .mb-dropzone__hint { margin: 0; font-size: 0.84rem; color: var(--fg-muted); }
#mb-app .mb-dropzone__picker { margin-block-start: 6px; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 12px; background: var(--cyan-soft); color: var(--cyan-ink); font-size: 0.9rem; font-weight: 700; border: 1px solid var(--cyan-soft-2); transition: background-color 0.2s ease; }
#mb-app .mb-dropzone__picker:hover { background: var(--cyan-soft-2); }
#mb-app .mb-dropzone__picker svg { width: 18px; height: 18px; }
#mb-app .mb-file-input { position: absolute; inline-size: 1px; block-size: 1px; opacity: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* بطاقات عامة */
#mb-app .mb-card { padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-soft); }
#mb-app .mb-card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-block-end: 12px; }
#mb-app .mb-card__label { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-size: 0.9rem; font-weight: 700; }
#mb-app .mb-card__label svg { width: 18px; height: 18px; color: var(--cyan-ink); }

/* شارة مميّز */
#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: 0.68rem; font-weight: 700; letter-spacing: 0.03em; line-height: 1.4; white-space: nowrap; }
#mb-app .mb-premium-badge svg { width: 12px; height: 12px; }

/* شريط الجودة */
#mb-app .mb-quality__row { display: flex; align-items: center; gap: 12px; }
#mb-app .mb-quality__value { min-width: 58px; text-align: center; font-family: var(--font-mono); font-size: 1.05rem; font-weight: 500; color: var(--cyan-ink); background: var(--bg-softer); border: 1px solid var(--border); border-radius: 10px; padding: 6px 4px; }
#mb-app .mb-quality__slider { flex: 1; appearance: none; -webkit-appearance: none; block-size: 44px; margin: 0; background: transparent; cursor: pointer; }
#mb-app .mb-quality__slider::-webkit-slider-runnable-track, #mb-app .mb-quality__slider::-moz-range-track { block-size: 6px; border-radius: 999px; background: var(--bg-softer); border: 1px solid var(--border); }
#mb-app .mb-quality__slider::-webkit-slider-thumb, #mb-app .mb-quality__slider::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--cyan-ink); border: 3px solid var(--bg); box-shadow: var(--shadow-thumb); transition: transform 0.15s ease; }
#mb-app .mb-quality__slider::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; margin-block-start: -8px; }
#mb-app .mb-quality__slider:active::-webkit-slider-thumb, #mb-app .mb-quality__slider:active::-moz-range-thumb { transform: scale(1.12); }
#mb-app .mb-quality__hint { margin: 10px 0 0; font-size: 0.8rem; color: var(--fg-faint); }

/* التحكم المتقدم */
#mb-app .mb-advanced { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-soft); }
#mb-app .mb-advanced > 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-advanced > summary::-webkit-details-marker { display: none; }
#mb-app .mb-advanced > summary .mb-card__label { margin-block-end: 0; font-size: 0.9rem; }
#mb-app .mb-advanced__group { display: flex; align-items: center; gap: 8px; }
#mb-app .mb-advanced__chevron { width: 18px; height: 18px; color: var(--fg-muted); transition: transform 0.2s ease; }
#mb-app .mb-advanced[open] .mb-advanced__chevron { transform: rotate(180deg); }
#mb-app .mb-advanced__body { padding: 14px 16px 16px; display: grid; gap: 14px; border-block-start: 1px solid var(--border); }
#mb-app .mb-advanced__sub { display: grid; gap: 8px; }
#mb-app .mb-advanced__sub > span { font-size: 0.78rem; font-weight: 700; color: var(--fg-muted); }
#mb-app .mb-chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
#mb-app .mb-chip { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--border-strong); background: transparent; color: var(--fg-muted); font-size: 0.86rem; font-weight: 600; transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease; }
#mb-app .mb-chip:hover { color: var(--cyan-ink); border-color: var(--cyan-ink); }
#mb-app .mb-chip[aria-pressed="true"] { background: var(--cyan-soft); border-color: var(--cyan-ink); color: var(--cyan-ink); }
#mb-app .mb-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
#mb-app .mb-field { display: grid; gap: 5px; }
#mb-app .mb-field label { font-size: 0.78rem; font-weight: 600; color: var(--fg-muted); }
#mb-app .mb-input { width: 100%; min-height: 44px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--border-strong); background: var(--bg-softer); color: var(--fg); transition: border-color 0.2s ease; }
#mb-app .mb-input:focus { border-color: var(--cyan-ink); outline: none; }
#mb-app .mb-input[type="number"] { font-family: var(--font-mono); }
#mb-app .mb-check { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 0.86rem; font-weight: 600; color: var(--fg); cursor: pointer; }
#mb-app .mb-check input { width: 20px; height: 20px; flex: none; accent-color: var(--cyan-ink); }

/* قائمة الملفات */
#mb-app .mb-files { display: grid; gap: 8px; }
#mb-app .mb-file-row { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-soft); }
#mb-app .mb-file-row[data-locked="true"] { opacity: 0.62; }
#mb-app .mb-file-row[data-active="true"] { border-color: var(--cyan-ink); background: var(--cyan-soft); }
#mb-app .mb-file-row__icon { width: 34px; height: 34px; flex: none; padding: 7px; border-radius: 9px; background: var(--bg-softer); color: var(--cyan-ink); }
#mb-app .mb-file-row__icon svg { width: 100%; height: 100%; }
#mb-app .mb-file-row__meta { flex: 1; min-width: 0; }
#mb-app .mb-file-row__name { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.88rem; font-weight: 600; }
#mb-app .mb-file-row__size { display: block; margin-block-start: 1px; font-family: var(--font-mono); font-size: 0.74rem; color: var(--fg-muted); }
#mb-app .mb-file-row__status { display: inline-flex; align-items: center; gap: 5px; flex: none; font-size: 0.72rem; font-weight: 700; }
#mb-app .mb-file-row__status svg { width: 13px; height: 13px; }
#mb-app .mb-file-row__status[data-state="ready"] { color: var(--cyan-ink); }
#mb-app .mb-file-row__status[data-state="locked"] { color: var(--fg-faint); }
#mb-app .mb-file-row__remove { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; flex: none; border-radius: 10px; border: none; background: transparent; color: var(--fg-faint); transition: color 0.2s ease, background-color 0.2s ease; }
#mb-app .mb-file-row__remove:hover, #mb-app .mb-file-row__remove:focus-visible { color: var(--danger); background: var(--bg-softer); }
#mb-app .mb-file-row__remove svg { width: 18px; height: 18px; }

/* شريط الرسائل */
#mb-app .mb-status { display: flex; align-items: center; gap: 10px; min-height: 20px; margin: 0; font-size: 0.86rem; color: var(--fg-muted); }
#mb-app .mb-status[data-kind="error"] { color: var(--danger); }
#mb-app .mb-status[data-kind="working"] { color: var(--cyan-ink); }

/* أزرار الإجراءات */
#mb-app .mb-actions { display: grid; gap: 10px; }
#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; font-size: 1rem; font-weight: 700; border: 1px solid transparent; transition: transform 0.12s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease; }
#mb-app .mb-btn svg { width: 20px; height: 20px; }
#mb-app .mb-btn:active { transform: translateY(1px); }
#mb-app .mb-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
#mb-app .mb-btn--primary { background: var(--coral); color: var(--white); box-shadow: 0 10px 26px var(--coral-glow); }
#mb-app .mb-btn--primary:hover:not(:disabled) { background: var(--coral-hover); }
#mb-app .mb-btn--primary:active:not(:disabled) { box-shadow: 0 6px 16px var(--coral-glow-2); }
#mb-app .mb-btn--secondary { background: transparent; border-color: var(--cyan-ink); color: var(--cyan-ink); }
#mb-app .mb-btn--secondary:hover:not(:disabled) { background: var(--cyan-soft); }
#mb-app .mb-btn--secondary .mb-premium-badge { margin-inline-start: auto; background: var(--cyan-soft); }

/* نتيجة الضغط */
#mb-app .mb-result { display: grid; gap: 12px; }
#mb-app .mb-savings { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border: 1px solid var(--cyan-ink); border-radius: var(--radius); background: var(--cyan-soft); }
#mb-app .mb-savings__label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.86rem; font-weight: 700; color: var(--fg-muted); }
#mb-app .mb-savings__label svg { width: 18px; height: 18px; color: var(--cyan-ink); }
#mb-app .mb-savings__pct { font-family: var(--font-mono); font-size: clamp(1.6rem, 7vw, 2.1rem); font-weight: 500; color: var(--cyan-ink); line-height: 1; direction: ltr; }
#mb-app .mb-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
#mb-app .mb-stat { padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-soft); }
#mb-app .mb-stat[data-highlight="true"] { border-color: var(--cyan-ink); background: var(--cyan-soft); }
#mb-app .mb-stat__label { margin: 0; font-size: 0.76rem; font-weight: 700; color: var(--fg-muted); }
#mb-app .mb-stat__value { margin: 6px 0 0; font-family: var(--font-mono); font-size: clamp(1.15rem, 5vw, 1.6rem); font-weight: 500; line-height: 1.2; direction: ltr; text-align: start; }
#mb-app .mb-stat__sub { margin: 5px 0 0; font-size: 0.74rem; color: var(--fg-faint); }

/* الحاشية */
#mb-app .mb-footnote { display: flex; align-items: flex-start; gap: 8px; margin: 0; font-size: 0.76rem; color: var(--fg-faint); }
#mb-app .mb-footnote svg { width: 15px; height: 15px; flex: none; margin-block-start: 2px; }

/* 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;
  }
}