:root {
    --primary-color: #ed8620;
    --text-color: #333;
    --bg-color: #fff;
    --card-bg: #f8f8f8;
}

/* Bağış Header */
.donation-header {
    text-align: center;
    margin-bottom: 4rem;
}

.donation-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.donation-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.donation-header p {
    color: #666;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Banka Kartları */
.bank-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.bank-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    min-width: 0;
}

.bank-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.bank-logo {
    height: 50px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bank-logo img {
    max-height: 100%;
    max-width: 180px;
    object-fit: contain;
}

.bank-info h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.iban-container {
    background: white;
    padding: 0.8rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.8rem;
    border: 2px solid #eee;
    white-space: nowrap;
    min-width: 0;
}

.iban {
    font-family: monospace;
    font-size: 0.8rem;
    /* letter-spacing: 0.5px; */
    white-space: nowrap;
    flex: 1;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    transform: scale(1.1);
}

.account-name {
    color: #666;
    font-size: 0.85rem;
}

/* Bağış Notu */
.donation-note {
    max-width: 800px;
    margin: 0 auto;
}

.note-content {
    background: rgba(237, 134, 32, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.note-content i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.note-content p {
    color: #666;
    margin: 0;
}

/* Kopyalandı Bildirimi */
.copy-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.copy-notification.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .main-container {
        padding: 1rem;
    }

    .donation-header h1 {
        font-size: 2rem;
    }

    .bank-cards {
        grid-template-columns: 1fr;
        padding: 0 0.5rem;
    }

    .bank-card {
        padding: 1.2rem;
    }

    .iban {
        font-size: 0.75rem;
    }

    .note-content {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
}

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

.feedback-popup.show {
    display: flex;
}

.feedback-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 400px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.close-popup {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    transition: color 0.3s ease;
}

.close-popup:hover {
    color: var(--primary-color);
}

.feedback-content h3 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.3rem;
}

.feedback-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feedback-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.8rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feedback-options label:hover {
    background-color: rgba(237, 134, 32, 0.05);
    border-color: rgba(237, 134, 32, 0.1);
}

.feedback-options input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border: 2px solid #ddd;
    border-radius: 50%;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.feedback-options input[type="radio"]:checked {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(237, 134, 32, 0.2);
}

.feedback-options input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: white;
    border-radius: 50%;
    animation: radioCheck 0.3s ease;
}

@keyframes radioCheck {
    0% {
        transform: translate(-50%, -50%) scale(0);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}

.feedback-options input[type="radio"]:checked + span {
    color: var(--primary-color);
    font-weight: 500;
}

/* Loading Animation */
.submit-btn {
    width: 100%;
    padding: 0.8rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    background-color: #d67a1c;
}

.submit-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.submit-btn.loading {
    color: transparent;
}

.submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: button-loading 0.8s infinite linear;
}

@keyframes button-loading {
    to {
        transform: rotate(360deg);
    }
}

/* Success Message */
.success-message {
    text-align: center;
    color: #28a745;
    margin-top: 1rem;
    display: none;
    padding: 1rem;
    background: rgba(40, 167, 69, 0.1);
    border-radius: 8px;
    animation: successSlide 0.5s ease forwards;
    transform: translateY(-20px);
    opacity: 0;
}

.success-message.show {
    display: block;
}

.success-message i {
    margin-right: 0.5rem;
    animation: successIcon 0.5s ease forwards;
}

@keyframes successSlide {
    0% {
        transform: translateY(-20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes successIcon {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}