:root {
    --dark-bg: #111827;
    --dark-surface: #1f2937;
    --dark-border: #374151;
    --primary-color: #3b82f6;
    --primary-light: #60a5fa;
    --dark-text-primary: #f9fafb;
    --dark-text-secondary: #d1d5db;
    --success-color: #22c55e;
    --error-color: #ef4444;
}

/* Light Theme Variables */
[data-theme="light"] {
    --dark-bg: #ffffff;
    --dark-surface: #f8fafc;
    --dark-border: #e2e8f0;
    --dark-text-primary: #1e293b;
    --dark-text-secondary: #475569;
    --primary-light: #3b82f6;
}

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

.search-wrapper {
    width: 100%;
    max-width: 700px;
    text-align: center;
}

.home-link {
    display: inline-block;
    margin-bottom: 2rem;
}

.main-logo {
    max-width: 120px;
}

.search-container {
    background-color: var(--dark-surface);
    border-radius: 12px;
    padding: 2rem 2.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--dark-border);
}

.search-container-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.header-icon {
    font-size: 2rem;
    color: var(--primary-light);
}

h1 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
}

.search-container p {
    color: var(--dark-text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.search-box {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr;
    gap: 1rem;
}

.input-group, .select-group {
    background-color: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
}

/* START: تعديل تنسيق حقل الهاتف */
.phone-input-container {
    padding: 0;
    flex-direction: row-reverse; /* لعكس ترتيب الأبناء */
}

#phoneInput {
    flex-grow: 1;
    background: transparent;
    border: none;
    color: var(--dark-text-primary);
    padding: 0.9rem;
    font-size: 1rem;
    outline: none;
    text-align: left;
}

.country-code {
    display: flex;
    align-items: center;
    border-left: 1px solid var(--dark-border);
    padding: 0 0.5rem;
}
/* END: نهاية تعديل حقل الهاتف */

.select-group {
    padding: 0 1rem;
}

.select-group i {
    color: var(--dark-text-secondary);
}

select {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--dark-text-primary);
    padding: 0.9rem 0.5rem;
    font-size: 1rem;
    outline: none;
    cursor: pointer;
}

#searchBtn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.9rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

#searchBtn:hover {
    background-color: var(--primary-light);
}

#searchBtn:disabled {
    background-color: #374151;
    cursor: not-allowed;
}

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

.country-code label {
    cursor: pointer;
    padding: 0.5rem 0.4rem;
    color: var(--dark-text-secondary);
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.2s ease-in-out;
}

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

/* باقي التنسيقات تبقى كما هي */
#resultsContainer { margin-top: 2rem; text-align: right; }
.message { padding: 1.2rem; border-radius: 8px; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 0.75rem; }
.message.loading { background-color: #374151; }
.message.error { background-color: var(--error-color); color: white; }
.results-card { background-color: var(--dark-bg); border: 1px solid var(--dark-border); border-radius: 12px; padding: 1.5rem; animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.card-header { padding-bottom: 1rem; margin-bottom: 1rem; border-bottom: 1px solid var(--dark-border); }
.card-header h3 { margin: 0; font-size: 1.75rem; color: var(--primary-light); }
.student-code { display: block; margin-top: 0.5rem; font-size: 1.1rem; color: var(--dark-text-secondary); }
.student-code strong { color: var(--dark-text-primary); letter-spacing: 1px; }
.card-body .info-item { display: flex; justify-content: space-between; padding: 0.8rem 0; font-size: 1.1rem; border-bottom: 1px solid #2a3546; }
.card-body .info-item:last-child { border-bottom: none; }
.info-label { color: var(--dark-text-secondary); display: flex; align-items: center; gap: 0.75rem; }
.info-value { color: var(--dark-text-primary); font-weight: 600; }
.payment-status.confirmed { color: var(--success-color); background-color: rgba(34, 197, 94, 0.1); padding: 0.2rem 0.6rem; border-radius: 6px; }
.payment-status.pending { color: var(--error-color); background-color: rgba(239, 68, 68, 0.1); padding: 0.2rem 0.6rem; border-radius: 6px; }
.special-code { color: #fbbf24; background-color: rgba(251, 191, 36, 0.1); padding: 0.3rem 0.8rem; border-radius: 8px; font-family: 'Courier New', monospace; letter-spacing: 1px; border: 1px solid rgba(251, 191, 36, 0.3); }
.footer-credit { margin-top: 2rem; color: #4b5563; font-size: 0.9rem; }

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        padding: 15px;
        min-height: 100vh;
        align-items: flex-start;
        padding-top: 2rem;
    }
    
    .search-wrapper {
        max-width: 100%;
        width: 100%;
    }
    
    .main-logo {
        max-width: 100px;
    }
    
    .search-container {
        padding: 1.5rem 1.2rem;
        border-radius: 10px;
    }
    
    .search-container-header {
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }
    
    .header-icon {
        font-size: 1.5rem;
    }
    
    h1 {
        font-size: 1.5rem;
        text-align: center;
    }
    
    .search-container p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .search-box {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .input-group, .select-group {
        padding: 0.8rem;
    }
    
    #phoneInput {
        padding: 0.8rem;
        font-size: 1rem;
    }
    
    .country-code {
        padding: 0 0.8rem;
    }
    
    .country-code label {
        padding: 0.4rem 0.6rem;
        font-size: 0.9rem;
    }
    
    select {
        padding: 0.8rem 0.5rem;
        font-size: 1rem;
    }
    
    #searchBtn {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        width: 100%;
    }
    
    .results-card {
        padding: 1.2rem;
    }
    
    .card-header h3 {
        font-size: 1.4rem;
    }
    
    .student-code {
        font-size: 1rem;
    }
    
    .card-body .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1rem 0;
        font-size: 1rem;
    }
    
    .info-label {
        font-weight: 600;
        color: var(--dark-text-secondary);
    }
    
    .info-value {
        font-size: 1.1rem;
        margin-right: 1rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
        padding-top: 1.5rem;
    }
    
    .search-container {
        padding: 1.2rem 1rem;
        border-radius: 8px;
    }
    
    .main-logo {
        max-width: 80px;
    }
    
    h1 {
        font-size: 1.3rem;
    }
    
    .search-container p {
        font-size: 0.9rem;
        margin-bottom: 1.2rem;
    }
    
    .search-box {
        gap: 0.8rem;
    }
    
    .input-group, .select-group {
        padding: 0.7rem;
    }
    
    #phoneInput {
        padding: 0.7rem;
        font-size: 0.9rem;
    }
    
    .country-code {
        padding: 0 0.6rem;
    }
    
    .country-code label {
        padding: 0.3rem 0.5rem;
        font-size: 0.8rem;
    }
    
    select {
        padding: 0.7rem 0.4rem;
        font-size: 0.9rem;
    }
    
    #searchBtn {
        padding: 0.9rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .results-card {
        padding: 1rem;
    }
    
    .card-header {
        padding-bottom: 0.8rem;
        margin-bottom: 0.8rem;
    }
    
    .card-header h3 {
        font-size: 1.2rem;
    }
    
    .student-code {
        font-size: 0.9rem;
    }
    
    .card-body .info-item {
        padding: 0.8rem 0;
        font-size: 0.9rem;
    }
    
    .info-value {
        font-size: 1rem;
    }
    
    .special-code {
        padding: 0.2rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .payment-status.confirmed,
    .payment-status.pending {
        padding: 0.15rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .footer-credit {
        font-size: 0.8rem;
        margin-top: 1.5rem;
    }
}

/* Landscape orientation for small devices */
@media (max-width: 768px) and (orientation: landscape) {
    body {
        padding-top: 1rem;
    }
    
    .search-container {
        padding: 1rem;
    }
    
    .search-box {
        grid-template-columns: 2fr 1.5fr 1fr;
        gap: 0.8rem;
    }
    
    #searchBtn {
        width: auto;
    }
}