/* --- Global Variables --- */
:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --dark-bg: #111827;
    --dark-surface-1: #1f2937;
    --dark-surface-2: #374151;
    --dark-text-primary: #f9fafb;
    --dark-text-secondary: #d1d5db;
    --gold-color: #ffc107;
    --silver-color: #a0aec0;
    --bronze-color: #cd7f32;
    --success-color: #22c55e;
    --error-color: #ef4444;
}

/* --- Base Styles --- */
body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--dark-bg);
    color: var(--dark-text-secondary);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

/* --- Main Wrapper --- */
.search-wrapper {
    width: 100%;
    max-width: 800px;
    text-align: center;
}

.home-link {
    display: inline-block;
    margin-bottom: 30px;
}

.main-logo {
    width: 150px;
}

/* --- Search Container Card --- */
.search-container {
    background: var(--dark-surface-1);
    border: 1px solid var(--dark-surface-2);
    border-radius: 16px;
    padding: 30px 40px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.search-container-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.header-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
}

h1 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--dark-text-primary);
    margin: 0;
}

.search-container p {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* ================= START: الكود الصحيح هنا ================= */

/* --- Search Input Box --- */
.search-box {
    display: grid;
    /* التخطيط الافتراضي للموبايل: كل عنصر في سطر */
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

/* --- تخطيط الشاشات الكبيرة (الكمبيوتر) --- */
@media (min-width: 768px) {
    .search-box {
        /* التخطيط الأفقي بثلاثة أعمدة */
        grid-template-columns: 2fr 1fr auto;
        align-items: center;
    }
}

/* ================= END: نهاية الكود الصحيح ================= */


/* --- Styling for Phone Input and Country Code --- */
.phone-input-container {
    display: flex;
    flex-direction: row-reverse;
    align-items: stretch;
    width: 100%;
}

.phone-input-container input[type="tel"] {
    flex-grow: 1; /* تجعل حقل الإدخال يملأ المساحة المتبقية */
    border-radius: 8px 0 0 8px;
    border-left: none;
    padding: 12px 15px;
    background-color: var(--dark-surface-2);
    border: 1px solid #4b5563;
    color: var(--dark-text-primary);
    font-size: 1rem;
    font-family: 'Cairo', sans-serif;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.country-code {
    display: flex;
    border: 1px solid #4b5563;
    border-right: none;
    border-radius: 0 8px 8px 0;
    background-color: var(--dark-surface-2);
}

.country-code input[type="radio"] {
    display: none;
}

.country-code label {
    padding: 12px 15px;
    cursor: pointer;
    color: var(--dark-text-secondary);
    transition: background-color 0.2s;
    font-weight: 600;
}

.country-code input[type="radio"]:checked + label {
    background-color: var(--primary-color);
    color: white;
}


/* --- Styling for Select Group --- */
.select-group {
    position: relative;
}

.select-group i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark-text-secondary);
    pointer-events: none; /* لتسمح بالضغط على الـ select */
}

#courseSelect {
    width: 100%;
    background-color: var(--dark-surface-2);
    border: 1px solid #4b5563;
    color: var(--dark-text-primary);
    border-radius: 8px;
    padding: 12px 40px 12px 15px;
    font-size: 1rem;
    font-family: 'Cairo', sans-serif;
    transition: border-color 0.3s, box-shadow 0.3s;
    appearance: none;
}

/* --- Styling for Button --- */
#searchBtn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#searchBtn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}


/* --- Universal Focus Style --- */
#phoneInput:focus, #courseSelect:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

/* --- Results, Loading, Error States and Footer --- */
/* (This part remains unchanged from the good design version) */
#resultsContainer { margin-top: 20px; text-align: right; }
.loading, .error, .not-found { font-size: 1.1rem; padding: 20px; border-radius: 8px; background-color: var(--dark-surface-2); }
.error, .not-found { color: var(--error-color); font-weight: 600; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.stats-card { background-color: var(--dark-surface-2); border-radius: 12px; padding: 25px; animation: fadeIn 0.5s ease-out; }
.stats-header { padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--dark-surface-2); text-align: center; }
.stats-header h3 { margin: 0 0 10px 0; font-size: 1.5rem; color: var(--dark-text-primary); }
.code-highlight { color: var(--primary-color); background-color: var(--dark-bg); padding: 4px 12px; border-radius: 6px; font-weight: 700; letter-spacing: 1px; display: inline-block; }
.total-referrals { font-size: 1.2rem; margin-top: 15px; }
.stats-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.stat-item { background-color: var(--dark-surface-1); padding: 20px; border-radius: 10px; text-align: center; border-top: 4px solid; }
.stat-item.bronze { border-color: var(--bronze-color); }
.stat-item.silver { border-color: var(--silver-color); }
.stat-item.gold { border-color: var(--gold-color); }
.stat-item h4 { margin: 0 0 15px 0; font-size: 1.2rem; color: var(--dark-text-primary); }
.stat-item p { margin: 5px 0 0 0; font-size: 1rem; }
.stat-item p span { font-size: 2rem; font-weight: 800; color: var(--dark-text-primary); display: block; line-height: 1.2; }
.stat-item .confirmed { margin-top: 15px; font-size: 0.9rem; color: var(--dark-text-secondary); }
.stat-item .confirmed span { color: var(--success-color); font-size: 1.5rem; }
.simple-stats { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.simple-stats .stat-item.total { border-color: var(--primary-color); }
.simple-stats .stat-item.confirmed { border-color: var(--success-color); }
.footer-credit { margin-top: 30px; font-size: 0.9rem; color: var(--dark-surface-2); }