/* =========================================================
   Exam System - Final CSS
   RTL / Responsive / Mobile-safe
   No pseudo-element conflict with question numbering
   ========================================================= */

:root {
    --exam-primary: #2563eb;
    --exam-primary-dark: #1d4ed8;
    --exam-secondary: #7c3aed;

    --exam-text: #172033;
    --exam-muted: #64748b;
    --exam-border: #dbe4f0;
    --exam-card: #ffffff;
    --exam-bg: #f6f8fc;

    --exam-radius: 18px;
    --exam-option-gap: 12px;
    --exam-transition: 0.25s ease;
}

/* =========================================================
   Reset only inside plugin
   ========================================================= */

.exam-container,
.exam-container * {
    box-sizing: border-box !important;
}

.exam-container {
    direction: rtl !important;
    width: 100% !important;
    max-width: 980px !important;
    margin: 35px auto !important;
    padding: 0 16px !important;
    color: var(--exam-text) !important;
    font-family: inherit !important;
    font-size: 16px !important;
    line-height: 1.8 !important;
    text-align: right !important;
}

.exam-container button,
.exam-container input,
.exam-container label {
    font-family: inherit !important;
}

/* =========================================================
   Intro section
   ========================================================= */

#exam-intro {
    margin-bottom: 22px !important;
    padding: 40px 30px !important;
    overflow: hidden !important;
    border-radius: var(--exam-radius) !important;
    color: #ffffff !important;
    background: linear-gradient(
        135deg,
        var(--exam-primary),
        var(--exam-secondary)
    ) !important;
    text-align: center !important;
    box-shadow: 0 18px 40px rgba(37, 99, 235, 0.2) !important;
}

#exam-intro h2 {
    margin: 0 0 12px !important;
    color: #ffffff !important;
    font-size: clamp(23px, 4vw, 32px) !important;
    font-weight: 800 !important;
}

#exam-intro p {
    margin: 0 0 25px !important;
    color: rgba(255, 255, 255, 0.92) !important;
}

/* =========================================================
   Buttons
   ========================================================= */

.exam-container button,
.exam-container .exam-btn,
#exam-submit-btn {
    min-height: 48px !important;
    padding: 11px 24px !important;
    border: 0 !important;
    border-radius: 12px !important;
    color: #ffffff !important;
    background: linear-gradient(
        135deg,
        var(--exam-primary),
        var(--exam-primary-dark)
    ) !important;
    cursor: pointer !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    transition: var(--exam-transition) !important;
}

#exam-intro .exam-btn {
    color: var(--exam-primary-dark) !important;
    background: #ffffff !important;
}

.exam-container button:hover,
.exam-container .exam-btn:hover,
#exam-submit-btn:hover {
    opacity: 0.95 !important;
    transform: translateY(-2px) !important;
}

.exam-container button:disabled,
#exam-submit-btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

/* =========================================================
   Header and timer
   ========================================================= */

.exam-container .exam-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 20px !important;
    min-height: 115px !important;
    margin-bottom: 22px !important;
    padding: 25px 30px !important;
    border-radius: var(--exam-radius) !important;
    color: #ffffff !important;
    background: linear-gradient(
        135deg,
        var(--exam-primary),
        var(--exam-secondary)
    ) !important;
    box-shadow: 0 18px 40px rgba(37, 99, 235, 0.2) !important;
}

.exam-container .exam-quiz-title {
    margin: 0 !important;
    color: #ffffff !important;
    font-size: clamp(21px, 3vw, 30px) !important;
    font-weight: 800 !important;
}

.exam-container #exam-timer {
    flex: 0 0 auto !important;
    min-width: 185px !important;
    padding: 12px 18px !important;
    border: 1px solid rgba(255, 255, 255, 0.25) !important;
    border-radius: 14px !important;
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.14) !important;
    text-align: center !important;
    font-weight: 800 !important;
}

.exam-container #exam-timer.warning {
    background: rgba(217, 119, 6, 0.96) !important;
}

.exam-container #exam-timer.danger {
    background: rgba(220, 38, 38, 0.96) !important;
}

/* =========================================================
   Question list
   ========================================================= */

#exam-questions-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 18px !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 24px !important;
    overflow: visible !important;
    border: 1px solid var(--exam-border) !important;
    border-radius: 20px !important;
    background-color: #f8fafc !important;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px) !important;
    background-size: 28px 28px !important;
}

/* =========================================================
   Question cards

   Important:
   No ::before / ::after is used here.
   The colored right line is made using inset box-shadow.
   ========================================================= */

#exam-questions-list > div,
#exam-questions-list .question-card,
#exam-questions-list .exam-question {
    position: relative !important;
    display: block !important;
    width: 100% !important;
    margin: 0 !important;

    /*
      Padding-right is intentionally larger.
      It guarantees the question number remains visible
      and does not overlap the right decorative line.
    */
    padding: 25px 30px 25px 42px !important;

    overflow: visible !important;
    border: 1px solid #d9e2ec !important;
    border-radius: 16px !important;
    background: rgba(255, 255, 255, 0.98) !important;

    /*
      Right color strip without pseudo-elements
    */
    box-shadow:
        inset -5px 0 0 #93c5fd,
        0 5px 15px rgba(15, 23, 42, 0.05) !important;
}

/* Even question cards */
#exam-questions-list > div:nth-child(even),
#exam-questions-list .question-card:nth-child(even),
#exam-questions-list .exam-question:nth-child(even) {
    border-color: #ddd6fe !important;
    background: #fcfbff !important;
    box-shadow:
        inset -5px 0 0 #c4b5fd,
        0 5px 15px rgba(15, 23, 42, 0.05) !important;
}

/* Question heading/text */
#exam-questions-list .question-title,
#exam-questions-list .question-text,
#exam-questions-list .exam-question h3,
#exam-questions-list .exam-question h4 {
    display: block !important;
    width: 100% !important;
    margin: 0 0 20px !important;

    /*
      Extra right space for question number,
      whether it is normal text or generated by plugin.
    */
    padding: 0 8px 12px 0 !important;

    border-bottom: 1px dashed #e2e8f0 !important;
    color: var(--exam-text) !important;
    font-size: 17px !important;
    font-weight: 700 !important;
    line-height: 1.9 !important;
    overflow-wrap: anywhere !important;
}

/* =========================================================
   Options container - forced vertical layout
   ========================================================= */

#exam-questions-list .options,
#exam-questions-list .question-options,
#exam-questions-list .exam-options,
#exam-questions-list .answers,
#exam-questions-list .choices,
#exam-questions-list ul:has(> li input[type="radio"]),
#exam-questions-list ol:has(> li input[type="radio"]),
#exam-questions-list div:has(> label input[type="radio"]) {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: var(--exam-option-gap) !important;

    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;

    border: 0 !important;
    list-style: none !important;
}

/* Each option */
#exam-questions-list label:has(input[type="radio"]),
#exam-questions-list li:has(input[type="radio"]),
#exam-questions-list .option:has(input[type="radio"]),
#exam-questions-list .exam-option:has(input[type="radio"]) {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: flex-start !important;

    width: 100% !important;
    min-height: 56px !important;
    margin: 0 !important;
    padding: 12px 16px !important;

    border: 1px solid #e2e8f0 !important;
    border-radius: 13px !important;
    background: #fbfcfe !important;

    cursor: pointer !important;
    transition: var(--exam-transition) !important;
}

#exam-questions-list input[type="radio"] {
    display: inline-block !important;
    flex: 0 0 19px !important;
    width: 19px !important;
    height: 19px !important;
    margin: 0 0 0 12px !important;
    padding: 0 !important;
    accent-color: var(--exam-primary) !important;
    cursor: pointer !important;
}

#exam-questions-list label:has(input[type="radio"]) span,
#exam-questions-list li:has(input[type="radio"]) span,
#exam-questions-list .option-text,
#exam-questions-list .exam-option span {
    display: block !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    color: #374151 !important;
    font-size: 15px !important;
    line-height: 1.8 !important;
    overflow-wrap: anywhere !important;
}

/* Hover */
#exam-questions-list label:has(input[type="radio"]):hover,
#exam-questions-list li:has(input[type="radio"]):hover,
#exam-questions-list .option:has(input[type="radio"]):hover,
#exam-questions-list .exam-option:has(input[type="radio"]):hover {
    border-color: #93c5fd !important;
    background: #eff6ff !important;
    transform: translateX(-2px) !important;
}

/* Selected */
#exam-questions-list label:has(input[type="radio"]:checked),
#exam-questions-list li:has(input[type="radio"]:checked),
#exam-questions-list .option:has(input[type="radio"]:checked),
#exam-questions-list .exam-option:has(input[type="radio"]:checked),
#exam-questions-list .option.selected,
#exam-questions-list .exam-option.selected {
    border-color: var(--exam-primary) !important;
    background: #eff6ff !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
}

/* =========================================================
   Submit and result
   ========================================================= */

#exam-submit-btn {
    display: block !important;
    width: 100% !important;
    margin-top: 22px !important;
}

#exam-result-box {
    margin-top: 24px !important;
    padding: 35px 25px !important;
    border: 1px solid #bbf7d0 !important;
    border-radius: var(--exam-radius) !important;
    background: #f0fdf4 !important;
    text-align: center !important;
}

#exam-result-box h2,
#exam-result-box h3 {
    color: #166534 !important;
    font-weight: 800 !important;
}

#exam-result-box .result-score {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 125px !important;
    height: 125px !important;
    margin: 10px auto 22px !important;
    border: 9px solid #86efac !important;
    border-radius: 50% !important;
    color: #166534 !important;
    background: #ffffff !important;
    font-size: 25px !important;
    font-weight: 900 !important;
}

/* =========================================================
   Mobile layout
   ========================================================= */

@media screen and (max-width: 700px) {
    html,
    body {
        overflow-x: hidden !important;
    }

    .exam-container {
        width: 100% !important;
        max-width: 100% !important;
        margin: 10px 0 90px !important;
        padding: 0 8px !important;
    }

    #exam-intro {
        padding: 28px 16px !important;
        border-radius: 16px !important;
    }

    .exam-container .exam-header {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: center !important;
        gap: 14px !important;
        padding: 20px 14px !important;
        border-radius: 16px !important;
        text-align: center !important;
    }

    .exam-container .exam-quiz-title {
        font-size: 22px !important;
        line-height: 1.7 !important;
    }

    .exam-container #exam-timer {
        width: 100% !important;
        min-width: 0 !important;
        margin: 0 !important;
        padding: 10px !important;
        font-size: 15px !important;
    }

    #exam-questions-list {
        gap: 12px !important;
        padding: 10px !important;
        border-radius: 14px !important;
    }

    /*
      Mobile question card:
      right padding is deliberately 38px,
      so question number has a secure visible area.
    */
    #exam-questions-list > div,
    #exam-questions-list .question-card,
    #exam-questions-list .exam-question {
        padding: 18px 16px 18px 38px !important;
        overflow: visible !important;
        border-radius: 14px !important;
        box-shadow:
            inset -4px 0 0 #93c5fd,
            0 4px 12px rgba(15, 23, 42, 0.05) !important;
    }

    #exam-questions-list > div:nth-child(even),
    #exam-questions-list .question-card:nth-child(even),
    #exam-questions-list .exam-question:nth-child(even) {
        box-shadow:
            inset -4px 0 0 #c4b5fd,
            0 4px 12px rgba(15, 23, 42, 0.05) !important;
    }

    #exam-questions-list .question-title,
    #exam-questions-list .question-text,
    #exam-questions-list .exam-question h3,
    #exam-questions-list .exam-question h4 {
        margin-bottom: 14px !important;
        padding-right: 8px !important;
        padding-bottom: 11px !important;
        font-size: 15px !important;
        line-height: 1.9 !important;
    }

    #exam-questions-list label:has(input[type="radio"]),
    #exam-questions-list li:has(input[type="radio"]),
    #exam-questions-list .option:has(input[type="radio"]),
    #exam-questions-list .exam-option:has(input[type="radio"]) {
        min-height: 52px !important;
        padding: 10px 12px !important;
        border-radius: 12px !important;
    }

    #exam-questions-list label:has(input[type="radio"]) span,
    #exam-questions-list li:has(input[type="radio"]) span,
    #exam-questions-list .option-text,
    #exam-questions-list .exam-option span {
        font-size: 14px !important;
    }

    #exam-quiz-box,
    #exam-result-box {
        margin-bottom: 80px !important;
    }
}

/* =========================================================
   Print
   ========================================================= */

@media print {
    .exam-container #exam-timer,
    .exam-container button,
    #exam-submit-btn {
        display: none !important;
    }

    .exam-container {
        max-width: 100% !important;
        margin: 0 !important;
    }

    #exam-questions-list {
        padding: 0 !important;
        border: 0 !important;
        background: none !important;
    }

    #exam-questions-list > div,
    #exam-questions-list .question-card,
    #exam-questions-list .exam-question {
        break-inside: avoid !important;
        box-shadow: none !important;
    }
}