/* ========================================
   COMPONENTS - Modern Clean UI Elements
   ======================================== */

/* Form Layout */
.form-section {
    margin-bottom: var(--space-8);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Input Field */
.input-wrapper {
    position: relative;
}

.input-wrapper svg {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-gray-400);
    pointer-events: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.input-wrapper:focus-within svg {
    color: var(--color-primary);
}

input[type="text"] {
    width: 100%;
    padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-gray-800);
    transition: all var(--duration-fast) var(--ease-out);
}

input[type="text"]:hover {
    border-color: var(--color-gray-300);
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

input[type="text"]::placeholder {
    color: var(--color-gray-400);
}

/* File Upload Zone */
.file-input-container {
    position: relative;
    border: 2px dashed var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-6);
    text-align: center;
    background: var(--color-gray-50);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

.file-input-container:hover {
    border-color: var(--color-primary-light);
    background: rgba(99, 102, 241, 0.02);
}

.file-input-container.dragover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
    transform: scale(1.01);
}

.file-input-container .upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    color: var(--color-gray-300);
    transition: all var(--duration-normal) var(--ease-out);
}

.file-input-container:hover .upload-icon {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.file-input-container .upload-label {
    display: block;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

.file-input-container:hover .upload-label {
    color: var(--color-primary);
    transform: translateY(-2px);
}

.file-input-container .file-info {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    transition: all var(--duration-normal) var(--ease-out);
}

.file-input-container:hover .file-info {
    color: var(--color-primary-light);
    transform: translateY(-2px);
}

.file-input-container .supported-formats {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
    flex-wrap: wrap;
}

.file-input-container .format-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: var(--space-1) var(--space-2);
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: all var(--duration-normal) var(--ease-out);
}

.file-input-container:hover .format-badge {
    transform: translateY(-2px);
}

input[type="file"] {
    display: none;
}

/* File Name Tag */
.file-name {
    display: none;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
    color: var(--color-primary-dark);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.file-name.visible {
    display: flex;
}

/* Primary Button */
.btn-primary {
    position: relative;
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Action Buttons */
.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.btn-action:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
    transform: translateY(-1px);
}

.btn-action.btn-download {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border: none;
}

.btn-action.btn-download:hover {
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    margin-right: var(--space-2);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Messages */
.message {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.message-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #16a34a 100%);
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.message-error {
    background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%);
    color: var(--color-white);
    margin-top: var(--space-5);
}

/* QR Display Card */
.qr-display {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.qr-code {
    max-width: 280px;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-6);
}

/* QR Info */
.qr-info {
    background: var(--color-gray-50);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
    text-align: left;
}

.qr-info-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-2);
}

.qr-info .text-content {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    background: var(--color-white);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-gray-100);
    word-break: break-all;
    color: var(--color-gray-700);
}

/* Download Section */
.download-section {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   DONATION MODAL
   ======================================== */

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* Modal Container */
.modal-container {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--duration-normal) var(--ease-out);
    overflow: hidden;
}

.modal-overlay.visible .modal-container {
    transform: scale(1) translateY(0);
}

/* Modal Header */
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-gray-100);
    background: var(--color-white);
    flex-shrink: 0;
}

.modal-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-800);
}

.modal-title svg {
    width: 20px;
    height: 20px;
    color: #ef4444;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-gray-400);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.modal-close:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

/* Modal Body */
.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
}

.modal-description {
    text-align: center;
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

/* Donation Section */
.donation-section {
    margin-bottom: var(--space-6);
}

.donation-section:last-child {
    margin-bottom: 0;
}

.donation-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--space-3);
}

.donation-section-title svg {
    width: 18px;
    height: 18px;
    color: inherit;
}

/* Donation Card */
.donation-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--color-gray-50);
    border: 1.5px solid var(--color-gray-100);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-fast) var(--ease-out);
}

.donation-card:last-child {
    margin-bottom: 0;
}

.donation-card:hover {
    background: var(--color-white);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.donation-card-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
    min-width: 0;
}

.donation-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: background var(--duration-fast) var(--ease-out);
}

.donation-card:hover .donation-icon {
    background: rgba(99, 102, 241, 0.15);
}

.donation-icon svg {
    width: 20px;
    height: 20px;
}

.donation-icon.bitcoin { color: #f7931a; }
.donation-icon.ethereum { color: #627eea; }
.donation-icon.sui { color: #4da2ff; }
.donation-icon.kofi { color: #ff5e5b; }
.donation-icon.trakteer { color: #be1e2d; }
.donation-icon.qris { color: var(--color-primary); }

.donation-info {
    flex: 1;
    min-width: 0;
}

.donation-name {
    font-weight: 500;
    color: var(--color-gray-800);
    margin-bottom: 2px;
}

.donation-label {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
}

.donation-address {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray-400);
    word-break: break-all;
    line-height: 1.4;
}

.donation-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-gray-400);
    flex-shrink: 0;
    transition: color var(--duration-fast) var(--ease-out);
}

.donation-card:hover .donation-action {
    color: var(--color-primary);
}

.donation-action svg {
    width: 16px;
    height: 16px;
}

/* Copy Badge */
.copy-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px var(--space-2);
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    margin-left: var(--space-2);
    animation: fadeInScale 0.2s var(--ease-out);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Thank You Message */
.modal-thank-you {
    text-align: center;
    padding: var(--space-4);
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* Donation Button in Footer */
.btn-donate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    margin-bottom: var(--space-5);
}

.btn-donate:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-donate svg {
    width: 16px;
    height: 16px;
}

/* QRIS Modal */
#qris-modal {
    z-index: 1001;
}

.qris-modal-container {
    max-width: 400px;
}

.qris-modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-6);
}

.qris-image {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-6);
}

.btn-qris-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.btn-qris-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.btn-qris-download svg {
    width: 18px;
    height: 18px;
}

/* Responsive Modal */
@media (max-width: 640px) {
    .modal-container {
        max-height: 85vh;
    }
    
    .modal-body {
        padding: var(--space-4);
    }
    
    .donation-address {
        font-size: 0.6875rem;
    }
    
    .qris-image {
        max-width: 280px;
    }
}