/**
 * Eduplayify Template: multiple_choice (اختيار من متعدد)
 * تنسيقات قالب الاختيار من متعدد مع خيارات ملونة عشوائياً وتصميم متجاوب لجميع الشاشات
 */

.mc-wrap {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: clamp(6px, 1.5vh, 16px) 0;
}

/* صورة السؤال إن وجدت */
.mc-wrap .ws-image {
    max-height: clamp(140px, 24vh, 260px);
    max-width: 92%;
    display: block;
    margin: 0 auto clamp(14px, 2.5vh, 22px);
    border-radius: clamp(12px, 2vw, 18px);
    object-fit: contain;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 1.5px solid #e2e8f0;
    background: #ffffff;
    padding: 6px;
}

/* بطاقة نص السؤال - واضحة وبارزة ومقروءة على جميع الشاشات */
.mc-prompt,
.mc-question-text {
    font-size: clamp(1.25rem, 2.5vw + 0.2rem, 1.85rem);
    font-weight: 800;
    color: #0f172a;
    text-align: center;
    margin: 0 auto clamp(18px, 3vh, 32px);
    line-height: 1.55;
    max-width: 800px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid #e2e8f0;
    border-radius: clamp(14px, 2vw, 20px);
    padding: clamp(16px, 2.2vw, 24px) clamp(18px, 3vw, 32px);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

/* شبكة الخيارات - متجاوبة ومرنة */
.mc-grid,
.mc-choices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(250px, 45%, 400px), 1fr));
    gap: clamp(12px, 2vw, 20px);
    width: 100%;
    margin-bottom: clamp(14px, 2.5vh, 24px);
}

/* زر الخيار الأساسي المشترك */
.mc-choice-btn {
    min-height: clamp(70px, 10vh, 92px);
    padding: clamp(14px, 2vw, 20px) clamp(16px, 2.2vw, 24px);
    font-size: clamp(1.08rem, 1.8vw, 1.35rem);
    font-weight: 700;
    border-radius: clamp(14px, 1.8vw, 20px);
    border: 2.5px solid transparent;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: start;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
    display: flex;
    align-items: center;
    gap: clamp(12px, 2vw, 18px);
    position: relative;
    user-select: none;
    outline: none;
    overflow: hidden;
}

/* شارة حرف الخيار (أ، ب، ج، د أو A, B, C, D) */
.mc-choice-letter {
    width: clamp(38px, 4.5vw, 48px);
    height: clamp(38px, 4.5vw, 48px);
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: clamp(10px, 1.2vw, 14px);
    font-weight: 900;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
    transition: all 0.2s ease;
}

/* نص الخيار */
.mc-choice-text {
    flex: 1;
    font-weight: 700;
    font-size: clamp(1.08rem, 1.8vw, 1.35rem);
    line-height: 1.45;
    word-break: break-word;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #0f172a;
}

/* ========================================================
   الثيمات اللونية العشوائية المبهجة للخيارات (Vibrant Themes)
   ======================================================== */

/* 1. الثيم الأزرق السماوي (Blue) */
.mc-choice-btn.mc-theme-blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #60a5fa;
}
.mc-choice-btn.mc-theme-blue .mc-choice-letter {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
}
.mc-choice-btn.mc-theme-blue:hover:not(:disabled) {
    border-color: #2563eb;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.22);
    transform: translateY(-3px);
}

/* 2. الثيم الأخضر الزمردي (Emerald) */
.mc-choice-btn.mc-theme-emerald {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-color: #4ade80;
}
.mc-choice-btn.mc-theme-emerald .mc-choice-letter {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    color: #ffffff;
}
.mc-choice-btn.mc-theme-emerald:hover:not(:disabled) {
    border-color: #16a34a;
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    box-shadow: 0 8px 22px rgba(22, 163, 74, 0.22);
    transform: translateY(-3px);
}

/* 3. الثيم الكهرماني / الذهبي (Amber) */
.mc-choice-btn.mc-theme-amber {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: #fbbf24;
}
.mc-choice-btn.mc-theme-amber .mc-choice-letter {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    color: #ffffff;
}
.mc-choice-btn.mc-theme-amber:hover:not(:disabled) {
    border-color: #d97706;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    box-shadow: 0 8px 22px rgba(217, 119, 6, 0.22);
    transform: translateY(-3px);
}

/* 4. الثيم البنفسجي الملكي (Purple) */
.mc-choice-btn.mc-theme-purple {
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    border-color: #c084fc;
}
.mc-choice-btn.mc-theme-purple .mc-choice-letter {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    color: #ffffff;
}
.mc-choice-btn.mc-theme-purple:hover:not(:disabled) {
    border-color: #7c3aed;
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
    box-shadow: 0 8px 22px rgba(124, 58, 237, 0.22);
    transform: translateY(-3px);
}

/* 5. الثيم الوردي المشرق (Rose) */
.mc-choice-btn.mc-theme-rose {
    background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 100%);
    border-color: #fb7185;
}
.mc-choice-btn.mc-theme-rose .mc-choice-letter {
    background: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
    color: #ffffff;
}
.mc-choice-btn.mc-theme-rose:hover:not(:disabled) {
    border-color: #e11d48;
    background: linear-gradient(135deg, #ffe4e6 0%, #fecdd3 100%);
    box-shadow: 0 8px 22px rgba(225, 29, 72, 0.22);
    transform: translateY(-3px);
}

/* 6. الثيم المرجاني / البرتقالي (Coral) */
.mc-choice-btn.mc-theme-coral {
    background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
    border-color: #fb923c;
}
.mc-choice-btn.mc-theme-coral .mc-choice-letter {
    background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
    color: #ffffff;
}
.mc-choice-btn.mc-theme-coral:hover:not(:disabled) {
    border-color: #ea580c;
    background: linear-gradient(135deg, #ffedd5 0%, #fed7aa 100%);
    box-shadow: 0 8px 22px rgba(234, 88, 12, 0.22);
    transform: translateY(-3px);
}

/* 7. الثيم النيلي الفاخر (Indigo) */
.mc-choice-btn.mc-theme-indigo {
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
    border-color: #818cf8;
}
.mc-choice-btn.mc-theme-indigo .mc-choice-letter {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%);
    color: #ffffff;
}
.mc-choice-btn.mc-theme-indigo:hover:not(:disabled) {
    border-color: #4f46e5;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    box-shadow: 0 8px 22px rgba(79, 70, 229, 0.22);
    transform: translateY(-3px);
}

/* 8. الثيم الفيروزي / التركواز (Teal) */
.mc-choice-btn.mc-theme-teal {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
    border-color: #2dd4bf;
}
.mc-choice-btn.mc-theme-teal .mc-choice-letter {
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    color: #ffffff;
}
.mc-choice-btn.mc-theme-teal:hover:not(:disabled) {
    border-color: #0d9488;
    background: linear-gradient(135deg, #ccfbf1 0%, #99f6e4 100%);
    box-shadow: 0 8px 22px rgba(13, 148, 136, 0.22);
    transform: translateY(-3px);
}

/* التنسيق الاحتياطي في حال عدم وجود ثيم */
.mc-choice-btn:not([class*="mc-theme-"]) {
    background: #ffffff;
    border-color: #e2e8f0;
}
.mc-choice-btn:not([class*="mc-theme-"]) .mc-choice-letter {
    background: #eef2ff;
    color: #4f46e5;
    border: 1.5px solid #c7d2fe;
}
.mc-choice-btn:not([class*="mc-theme-"]):hover:not(:disabled) {
    border-color: #6366f1;
    background: #f8faff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.16);
}

/* تأثير النقر */
.mc-choice-btn:active:not(:disabled) {
    transform: scale(0.98);
}

/* ========================================================
   حالات التغذية الراجعة (الإجابة الصحيحة والخاطئة)
   ======================================================== */

@keyframes mcCorrectPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.04); }
    100% { transform: scale(1.02); }
}

@keyframes mcIncorrectShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

/* حالة الإجابة الصحيحة */
.mc-choice-btn.correct,
.mc-choice-btn.is-correct {
    border-color: #059669 !important;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: #ffffff !important;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.35), 0 10px 26px rgba(16, 185, 129, 0.3) !important;
    animation: mcCorrectPop 0.35s ease-out forwards;
}
.mc-choice-btn.correct .mc-choice-letter,
.mc-choice-btn.is-correct .mc-choice-letter {
    background: #ffffff !important;
    color: #047857 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}
.mc-choice-btn.correct .mc-choice-text,
.mc-choice-btn.is-correct .mc-choice-text {
    color: #ffffff !important;
}

/* حالة الإجابة الخاطئة */
.mc-choice-btn.incorrect,
.mc-choice-btn.is-incorrect {
    border-color: #dc2626 !important;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    color: #ffffff !important;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.3), 0 10px 26px rgba(239, 68, 68, 0.3) !important;
    animation: mcIncorrectShake 0.4s ease-in-out forwards;
    opacity: 0.85;
}
.mc-choice-btn.incorrect .mc-choice-letter,
.mc-choice-btn.is-incorrect .mc-choice-letter {
    background: #ffffff !important;
    color: #b91c1c !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}
.mc-choice-btn.incorrect .mc-choice-text,
.mc-choice-btn.is-incorrect .mc-choice-text {
    color: #ffffff !important;
}

.mc-choice-btn:disabled {
    cursor: default;
}

/* ========================================================
   وضع ملء الشاشة والشاشات الكبيرة (Fullscreen & Large Displays)
   ======================================================== */
.gpa-fullscreen .mc-wrap {
    max-width: 1040px;
}
.gpa-fullscreen .mc-prompt,
.gpa-fullscreen .mc-question-text {
    font-size: clamp(1.6rem, 3.2vw, 2.3rem);
    padding: 24px 36px;
    margin-bottom: 34px;
}
.gpa-fullscreen .mc-choice-btn {
    min-height: 98px;
    font-size: 1.35rem;
}
.gpa-fullscreen .mc-choice-letter {
    width: 52px;
    height: 52px;
    font-size: 1.4rem;
}

/* التجاوب مع شاشات الجوال */
@media (max-width: 560px) {
    .mc-grid,
    .mc-choices {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .mc-choice-btn {
        min-height: 64px;
        padding: 13px 16px;
        gap: 12px;
    }

    .mc-prompt,
    .mc-question-text {
        font-size: 1.25rem;
        padding: 14px 16px;
        margin-bottom: 18px;
    }
}

/* مصيدة غير بديهية: grid/flex-gap غائبان في IE11/Safari<14.1 —
   الكتل أدناه بديل فقط عند الغياب، والحديث يتجاهلها */
@supports not (display: grid) {
    .mc-grid, .mc-choices { display: block; }
    .mc-choice-btn { display: flex; width: 100%; margin: 6px 0; }
}
@supports not (gap: 12px) {
    .mc-choice-btn > * { margin: 0 6px; }
    .mc-prompt > *, .mc-question-text > * { margin: 0 5px; }
}