:root {
    --primary-color: #ff6600;
    --secondary-color: #003087;
    --background-color: #f5f5f5;
    --warning-bg: #ffa500;
    --text-color: #333333;
    --input-text-color: #666666;
    --label-color: #000000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Source Sans Pro', sans-serif;
}

body {
    background-color: var(--background-color);
    min-height: 100vh;
}

/* Header Styles */
header {
    background: white;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo img {
    height: 30px;
}

.language-selector {
    display: flex;
    gap: 5px;
    align-items: center;
}

.language-selector a {
    text-decoration: none;
    color: #666;
    font-size: 14px;
}

.language-selector a.active {
    color: var(--primary-color);
}

/* Main Content Styles */
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.welcome-section {
    text-align: center;
    margin-bottom: 30px;
}

.welcome-section h1 {
    color: #333;
    font-size: 24px;
    margin-bottom: 20px;
}

.tab-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.tab {
    padding: 10px 30px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 16px;
    color: #666;
    border-bottom: 2px solid transparent;
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.form-section, .image-section {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.image-section {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.credit-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--label-color);
    font-size: 14px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    color: var(--input-text-color);
    background-color: #ffffff;
}

.form-group input::placeholder {
    color: #999999;
}

.form-group input:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* Özel tarih seçici stili */
.form-group input[type="date"] {
    cursor: pointer;
    position: relative;
    color: var(--input-text-color);
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator {
    position: absolute;
    right: 10px;
    cursor: pointer;
}

.form-group input[type="date"]::-webkit-datetime-edit-text,
.form-group input[type="date"]::-webkit-datetime-edit-month-field,
.form-group input[type="date"]::-webkit-datetime-edit-day-field,
.form-group input[type="date"]::-webkit-datetime-edit-year-field {
    color: var(--input-text-color);
}

.form-links {
    margin: 20px 0;
}

.form-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background-color: #1a1a1a;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    text-transform: uppercase;
}

.qr-section {
    text-align: center;
}

.qr-section h2 {
    color: #333;
    font-size: 20px;
    margin-bottom: 20px;
}

.qr-code {
    margin: 30px 0;
}

.qr-code img {
    width: 200px;
    height: 200px;
}

.qr-section p {
    color: #666;
    margin-bottom: 10px;
}

.small-text {
    font-size: 12px;
    color: #999;
}

.security-warning {
    background: var(--warning-bg);
    padding: 20px;
    border-radius: 8px;
}

.security-warning h3 {
    color: white;
    margin-bottom: 15px;
}

.security-warning ul {
    list-style: none;
}

.security-warning li {
    color: white;
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.5;
}

/* Campaign Section */
.campaign-section {
    text-align: center;
    margin-bottom: 30px;
}

.campaign-section h1 {
    color: var(--primary-color);
    font-size: 24px;
    line-height: 1.4;
    margin-bottom: 20px;
}

/* Popup Styles */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.popup-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.popup-content h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.popup-content p {
    color: #666;
    margin-bottom: 20px;
}

/* Loader */
.loader {
    width: 100%;
    height: 4px;
    background: #f0f0f0;
    border-radius: 2px;
    overflow: hidden;
    margin-top: 20px;
}

.loader-bar {
    width: 0%;
    height: 100%;
    background: var(--primary-color);
    transition: none;
}

/* Show popup */
.popup.show {
    display: flex;
}

.popup.show .loader-bar {
    width: 100%;
}

@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .container {
        margin: 20px auto;
    }
    
    .form-section, .image-section {
        padding: 20px;
    }
    
    .campaign-section h1 {
        font-size: 20px;
    }
    
    .popup-content {
        margin: 20px;
        padding: 20px;
    }
}

/* Flatpickr özelleştirmeleri */
.flatpickr-calendar {
    font-family: 'Source Sans Pro', sans-serif;
    box-shadow: 0 3px 13px rgba(0, 0, 0, 0.08);
}

.flatpickr-day.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.flatpickr-day.selected:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.flatpickr-day:hover {
    background: #e6e6e6;
}

.flatpickr-current-month {
    font-size: 14px;
    font-weight: 600;
}

.flatpickr-monthDropdown-months {
    font-weight: 600;
}

.flatpickr-weekday {
    font-weight: 600;
    color: var(--text-color);
}

/* Input alanı stilleri */
.form-group input[type="text"]#birthDate {
    cursor: pointer;
    background-color: #ffffff;
    color: var(--input-text-color);
}