:root {
    --turkcell-yellow: #FFD000;
    --turkcell-blue: #253B80;
    --turkcell-dark: #1A1A2E;
    --whatsapp-green: #25D366;
}

body {
    background-color: #f5f6fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Header */
.header-bar {
    background: var(--turkcell-blue);
    color: #fff;
    padding: 1rem 0;
    border-bottom: 4px solid var(--turkcell-yellow);
}

.header-bar h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.header-bar .subtitle {
    font-size: 0.9rem;
    opacity: 0.85;
}

/* Card */
.form-card, .summary-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    padding: 2rem;
    max-width: 640px;
    margin: 2rem auto;
}

/* Form */
.form-label {
    font-weight: 600;
    color: #333;
    font-size: 0.9rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--turkcell-yellow);
    box-shadow: 0 0 0 0.2rem rgba(255, 208, 0, 0.25);
}

/* Buttons */
.btn-turkcell {
    background-color: var(--turkcell-yellow);
    color: var(--turkcell-dark);
    font-weight: 700;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1.05rem;
    transition: background-color 0.2s;
}

.btn-turkcell:hover {
    background-color: #e6bb00;
    color: var(--turkcell-dark);
}

.btn-whatsapp {
    background-color: var(--whatsapp-green);
    color: #fff;
    font-weight: 700;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1.05rem;
    transition: background-color 0.2s;
}

.btn-whatsapp:hover {
    background-color: #1ebe57;
    color: #fff;
}

/* Summary Page */
.summary-card {
    max-width: 700px;
}

.summary-card .badge-success {
    background-color: #28a745;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.summary-row {
    display: flex;
    padding: 0.6rem 0;
    border-bottom: 1px solid #eee;
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-label {
    font-weight: 600;
    color: #555;
    min-width: 180px;
    flex-shrink: 0;
}

.summary-value {
    color: #222;
    word-break: break-word;
}

.basvuru-no {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--turkcell-blue);
}

/* Optional field note */
.field-note {
    font-size: 0.8rem;
    color: #888;
}

/* Responsive */
@media (max-width: 576px) {
    .form-card, .summary-card {
        margin: 1rem;
        padding: 1.25rem;
    }

    .summary-row {
        flex-direction: column;
    }

    .summary-label {
        min-width: auto;
        margin-bottom: 0.15rem;
    }

    .btn-turkcell, .btn-whatsapp {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* Print */
@media print {
    .header-bar {
        background: none !important;
        color: #000 !important;
        border-bottom: 2px solid #000;
    }

    .btn, .action-buttons {
        display: none !important;
    }

    .summary-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    body {
        background: #fff;
    }
}