/* ============================================
   style.css - الملف المشترك لكل الصفحات
   ============================================ */

/* ===== الإعدادات الأساسية ===== */
body {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
    background: #eef2f7;
    color: #1a2634;
    padding: 40px 20px;
    line-height: 1.7;
    direction: rtl;
}

* {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
}

::-webkit-scrollbar {
    width: 0px;
}

/* ===== الحاوية الرئيسية ===== */
.container {
    max-width: 1150px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 40px;
    padding: 40px 50px;
    box-shadow: 0 20px 50px rgba(0, 20, 40, 0.08);
    border: 1px solid #dce4ed;
}

/* ===== القائمة المشتركة ===== */
.main-nav {
    background: #1f3a5a;
    border-radius: 60px;
    padding: 12px 30px;
    margin-bottom: 32px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px 40px;
    border: 1px solid #2a4a6a;
    box-shadow: 0 4px 12px rgba(0, 20, 40, 0.08);
}

.main-nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 6px 0;
    border-bottom: 3px solid transparent;
    transition: 0.2s;
    display: inline-block;
}

.main-nav a:hover {
    border-bottom-color: #9fbfdf;
    transform: translateY(-2px);
}

.main-nav a.active {
    border-bottom-color: #9fbfdf;
}

.main-nav .nav-emoji {
    margin-left: 6px;
}

@media (max-width: 700px) {
    .main-nav {
        gap: 12px 20px;
        padding: 10px 16px;
    }
    .main-nav a {
        font-size: 0.85rem;
    }
}

/* ===== الهيدر ===== */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 6px;
}

h1 {
    font-size: 2.4rem;
    font-weight: 700;
    color: #0b2b4a;
    letter-spacing: -0.5px;
}

.badge {
    background: #1f3a5a;
    color: white;
    padding: 6px 28px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 600;
}

.subhead {
    border-bottom: 2px solid #dce4ed;
    padding-bottom: 18px;
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    color: #2a4a6a;
    font-weight: 500;
}

/* ===== العناوين ===== */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #0b2b4a;
    margin: 42px 0 18px 0;
    border-right: 10px solid #2a6a9a;
    padding-right: 22px;
}

.section-sub {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a3a5a;
    margin: 28px 0 12px 0;
}

/* ===== البطاقات ===== */
.card {
    background: #f7faff;
    border-radius: 24px;
    padding: 24px 30px;
    margin: 20px 0;
    border: 1px solid #dce4ed;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.card-soft {
    background: #ecf3fa;
    border-radius: 24px;
    padding: 24px 30px;
    margin: 20px 0;
}

/* ===== أكواد البرمجة ===== */
.code-block {
    background: #0b1a2f;
    color: #e6edf5;
    padding: 20px 28px;
    border-radius: 18px;
    font-family: 'JetBrains Mono', 'Cascadia Code', monospace;
    font-size: 0.95rem;
    overflow-x: auto;
    margin: 14px 0 20px 0;
    direction: ltr;
    text-align: left;
    white-space: pre-wrap;
    word-break: break-word;
    border: 1px solid #2a4a6a;
}

.tag {
    background: #dce4ed;
    padding: 2px 16px;
    border-radius: 30px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 0.9rem;
    color: #0b1a2f;
}

/* ===== الشبكات ===== */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 20px 0;
}

@media (max-width: 700px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* ===== بطاقات المعلومات ===== */
.info-card {
    background: #ecf3fa;
    border-radius: 20px;
    padding: 18px 22px;
    border-right: 6px solid #2a6a9a;
}

.info-card strong {
    color: #0b2b4a;
}

/* ===== الجداول ===== */
table {
    width: 100%;
    border-collapse: collapse;
    background: #f7faff;
    border-radius: 18px;
    overflow: hidden;
    margin: 12px 0;
}

th {
    background: #dce4ed;
    color: #0b1a2f;
    font-weight: 600;
    padding: 12px 18px;
    text-align: right;
}

td {
    padding: 12px 18px;
    border-bottom: 1px solid #dce4ed;
}

/* ===== العروض التوضيحية ===== */
.example-box {
    background: #ffffff;
    border-radius: 18px;
    padding: 20px 24px;
    border: 1px solid #dce4ed;
}

.demo-text {
    background: #f7faff;
    border-radius: 16px;
    padding: 20px 24px;
    border: 1px solid #dce4ed;
    margin: 10px 0;
    font-size: 1.1rem;
}

.demo-text .b { font-weight: 700; }
.demo-text .i { font-style: italic; }
.demo-text .u { text-decoration: underline; }

.demo-img {
    max-width: 200px;
    height: auto;
    border-radius: 12px;
    border: 2px solid #dce4ed;
    margin: 8px 0;
}

.demo-link {
    color: #1f3a5a;
    font-weight: 600;
    text-decoration: underline;
}

.demo-link:hover {
    color: #2a6a9a;
}

/* ===== فيديو ===== */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 16px;
    margin: 16px 0;
    background: #0b1a2f;
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
}

/* ===== الأنشطة ===== */
.activity-box {
    background: #ecf3fa;
    border-radius: 24px;
    padding: 26px 30px;
    margin: 28px 0;
}

/* ===== بطاقة الإنترنت ===== */
.internet-card {
    background: #f0f6fe;
    border-radius: 24px;
    padding: 28px 32px;
    border-right: 8px solid #2a6a9a;
    margin: 16px 0;
}

.internet-card .question {
    font-size: 1.2rem;
    font-weight: 600;
    color: #0b2b4a;
    margin-bottom: 12px;
}

.internet-card .answer {
    background: #ffffff;
    border-radius: 16px;
    padding: 14px 22px;
    border: 1px solid #c8d8ea;
    color: #1a3a5a;
    font-size: 1.05rem;
}

.internet-card .answer strong {
    color: #0b2b4a;
}

.internet-card .emoji-big {
    font-size: 2rem;
    vertical-align: middle;
    margin-left: 6px;
}

.highlight-html {
    background: #dce4ed;
    padding: 2px 14px;
    border-radius: 30px;
    font-weight: 700;
}

/* ===== أسئلة الاختبار ===== */
.question-box {
    background: #ffffff;
    border-radius: 20px;
    padding: 20px 26px;
    margin: 16px 0;
    border: 1px solid #d0dbe8;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
    transition: 0.1s;
}

.question-box .q {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.options label {
    display: inline-block;
    margin-left: 28px;
    margin-bottom: 6px;
    cursor: pointer;
    font-weight: 500;
}

.options input[type="radio"] {
    accent-color: #1f3a5a;
    width: 17px;
    height: 17px;
    margin-left: 8px;
}

/* ===== الأزرار ===== */
.btn {
    background: #1f3a5a;
    border: none;
    color: white;
    font-weight: 600;
    padding: 8px 32px;
    border-radius: 40px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: 0.15s;
    margin-top: 8px;
    border: 1px solid #1f3a5a;
}

.btn:hover {
    background: #0b2b4a;
    transform: scale(1.02);
}

.btn-outline {
    background: transparent;
    border: 2px solid #1f3a5a;
    color: #1f3a5a;
    padding: 8px 28px;
    border-radius: 40px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.1s;
    margin: 10px 0;
}

.btn-outline:hover {
    background: #ecf3fa;
}

.btn-success {
    background: #1a7a3a;
    border: 2px solid #1a7a3a;
    color: white;
    padding: 12px 40px;
    border-radius: 40px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: 0.15s;
    margin: 10px 0;
    display: inline-block;
}

.btn-success:hover {
    background: #0d5a2a;
    transform: scale(1.02);
}

/* ===== شريط التقدم ===== */
.progress-bar {
    background: #d0dbe8;
    height: 6px;
    border-radius: 10px;
    margin: 10px 0 22px 0;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: #1f3a5a;
    border-radius: 10px;
    transition: 0.25s;
}

/* ===== صندوق النتيجة ===== */
.result-box {
    background: #f0f6fe;
    border-radius: 28px;
    padding: 30px 40px;
    margin: 30px 0;
    text-align: center;
    border: 2px solid #b8cce0;
    display: none;
}

.result-box .score {
    font-size: 4rem;
    font-weight: 800;
    color: #0b2b4a;
}

.result-box .score-label {
    font-size: 1.3rem;
    color: #2a4a6a;
    margin-bottom: 10px;
}

.result-box .message {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 10px 0;
}

.result-box .details {
    text-align: right;
    margin: 20px 0;
    max-height: 300px;
    overflow-y: auto;
    background: white;
    border-radius: 16px;
    padding: 16px 22px;
}

.result-box .details .q-item {
    padding: 6px 0;
    border-bottom: 1px solid #e4eefa;
    display: flex;
    justify-content: space-between;
}

.result-box .details .q-item:last-child {
    border-bottom: none;
}

.result-box .details .correct {
    color: #1a7a3a;
    font-weight: 600;
}

.result-box .details .wrong {
    color: #b03a3a;
    font-weight: 600;
}

/* ===== التذيير ===== */
footer {
    margin-top: 48px;
    text-align: center;
    color: #3a5a7a;
    font-size: 0.95rem;
    border-top: 1px solid #dce4ed;
    padding-top: 28px;
}

/* ===== التجاوب مع الشاشات الصغيرة ===== */
@media (max-width: 600px) {
    .container {
        padding: 20px 16px;
    }
    h1 {
        font-size: 1.8rem;
    }
    .section-title {
        font-size: 1.6rem;
    }
    .result-box .score {
        font-size: 3rem;
    }
}