/* Modal System - Accessible and Keyboard-Friendly */

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* Modal Container */
.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
    position: relative;
}

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

/* Modal Header */
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
    flex: 1;
    text-align: left;
}

/* Section Completion Badges */
.section-complete {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    font-size: 13px;
    font-weight: 500;
    background: #d4edda;
    color: #155724;
    border-radius: 12px;
    margin-left: 8px;
}

[data-theme="dark"] .section-complete {
    background: rgba(40, 167, 69, 0.2);
    color: #75d989;
}

.section-incomplete {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 13px;
    font-weight: 500;
    background: #fff3cd;
    color: #856404;
    border-radius: 12px;
    margin-left: 8px;
}

[data-theme="dark"] .section-incomplete {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    font-size: 28px;
    line-height: 1;
    margin-left: auto;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-close:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.modal-close svg {
    width: 16px;
    height: 16px;
}

/* Modal Body */
.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 0 1 auto;
    min-height: 0;
    width: 100%;
    box-sizing: border-box;
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Modal Footer */
.modal-footer {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    align-items: center;
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
}

.modal-footer-left {
    margin-right: auto;
}

/* Modal Sizes */
.modal-sm {
    max-width: 400px;
}

.modal-md {
    max-width: 600px;
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1000px;
}

.modal-full {
    max-width: 95vw;
    max-height: 95vh;
}

/* Modal Forms */
.modal-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-form-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-form-section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.modal-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.modal-form-group.horizontal {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.modal-form-group.horizontal .modal-form-label {
    min-width: 120px;
    margin-bottom: 0;
}

.modal-form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    display: block;
}

.modal-form-label.required::after {
    content: ' *';
    color: #dc3545;
    font-weight: 700;
}

.modal-form-control {
    font-family: var(--font-family);
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 10px 12px;
    transition: all 0.2s ease;
    min-height: 40px;
}

.modal-form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(27, 54, 93, 0.1);
}

.modal-form-control::placeholder {
    color: var(--text-muted);
}

.modal-form-control:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

.modal-form-help {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.modal-form-error {
    font-size: 12px;
    color: var(--error);
    margin-top: 4px;
    display: none;
}

.modal-form-error.show {
    display: block;
}

/* Modal Form Status - Validation Feedback */
.modal-form-status {
    font-size: 12px;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 18px;
}

.modal-form-status.validating {
    color: var(--text-secondary);
}

.modal-form-status.valid {
    color: var(--success);
}

.modal-form-status.invalid {
    color: var(--error);
    font-weight: 500;
}

.modal-form-status.invalid::before {
    content: "⚠";
    font-size: 14px;
    font-weight: 700;
}

/* Modal Grid Layout */
.modal-form-grid {
    display: grid;
    gap: 16px;
}

.modal-form-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
}

.modal-form-grid.cols-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.modal-form-grid-span-2 {
    grid-column: span 2;
}

.modal-form-grid-span-3 {
    grid-column: span 3;
}

/* Modal Loading States */
.modal-loading {
    position: relative;
    pointer-events: none;
}

.modal-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

[data-theme="dark"] .modal-loading::after {
    background: rgba(26, 32, 44, 0.8);
}

/* Modal Form Actions Bar */
.modal-form-actions-bar {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 20px;
    margin-top: 24px;
    border-top: 1px solid var(--border);
}

/* Modal Form Buttons */
.modal-form-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-family: inherit;
}

.modal-form-button.primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.modal-form-button.primary:hover:not(:disabled) {
    background: var(--primary-hover, #2563EB);
    border-color: var(--primary-hover, #2563EB);
    color: white;
}

.modal-form-button.secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border);
}

.modal-form-button.secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

/* Improved disabled button styling for better readability */
.modal-form-button:disabled {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    border-color: var(--border);
    opacity: 1;
    cursor: not-allowed;
}

.modal-form-button.primary:disabled {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    border-color: var(--border);
}

.modal-form-button.small {
    padding: 6px 12px;
    font-size: 12px;
}

.modal-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal Alerts */
.modal-alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid;
}

.modal-alert-success {
    background-color: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
}

.modal-alert-error {
    background-color: var(--error-bg);
    border-color: var(--error-border);
    color: var(--error);
}

.modal-alert-warning {
    background-color: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning);
}

.modal-alert-info {
    background-color: var(--info-bg);
    border-color: var(--info-border);
    color: var(--info);
}

/* Avatar Upload Modal Specific Styles */
.avatar-upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    background: var(--bg-secondary);
}

.avatar-upload-area:hover {
    border-color: var(--primary);
    background: var(--bg-hover);
}

.avatar-upload-area.dragover {
    border-color: var(--primary);
    background: var(--primary-50);
}

.avatar-preview {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 16px;
    overflow: hidden;
    border: 3px solid var(--border);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-crop-area {
    margin: 20px 0;
    text-align: center;
}

.avatar-crop-container {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

/* Address Validation Modal Styles */
.address-suggestion {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-card);
}

.address-suggestion:hover {
    border-color: var(--primary);
    background: var(--bg-hover);
}

.address-suggestion.selected {
    border-color: var(--primary);
    background: var(--primary-50);
}

.address-suggestion-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.address-suggestion-text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.4;
}

.address-confidence {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.confidence-bar {
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    transition: width 0.3s ease;
}

.confidence-fill.high { background: var(--success); }
.confidence-fill.medium { background: var(--warning); }
.confidence-fill.low { background: var(--error); }

/* Responsive Modal Design */
@media (max-width: 768px) {
    .modal-overlay {
        padding: 10px;
        align-items: flex-end;
    }

    .modal {
        max-width: 100%;
        max-height: 95vh;
        border-radius: 8px 8px 0 0;
    }

    .modal-header {
        padding: 16px 20px 12px;
    }

    .modal-body {
        padding: 16px 20px;
    }

    .modal-footer {
        padding: 12px 20px 16px;
        flex-direction: column-reverse;
        gap: 8px;
    }

    .modal-footer .account-btn {
        width: 100%;
    }

    .modal-form-grid.cols-2,
    .modal-form-grid.cols-3 {
        grid-template-columns: 1fr;
    }

    .modal-form-grid-span-2,
    .modal-form-grid-span-3 {
        grid-column: span 1;
    }

    .modal-form-group.horizontal {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .modal-form-group.horizontal .modal-form-label {
        min-width: auto;
    }

    .avatar-upload-area {
        padding: 30px 15px;
    }

    .avatar-preview {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 480px) {
    .modal-header {
        padding: 12px 16px 8px;
    }

    .modal-title {
        font-size: 16px;
    }

    .modal-body {
        padding: 12px 16px;
    }

    .modal-footer {
        padding: 8px 16px 12px;
    }
}

/* High Contrast Support */
@media (prefers-contrast: high) {
    .modal {
        border-width: 2px;
    }

    .modal-close:focus-visible {
        outline-width: 3px;
    }

    .modal-form-control:focus {
        border-width: 2px;
        box-shadow: 0 0 0 3px rgba(27, 54, 93, 0.3);
    }

    .address-suggestion {
        border-width: 2px;
    }

    .address-suggestion.selected {
        border-width: 3px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .modal-overlay,
    .modal {
        transition: none;
    }

    .modal-spinner {
        animation: none;
        border-top-color: var(--primary);
    }
}

/* Focus Trap Styles */
.modal-focus-trap {
    position: fixed;
    top: -1px;
    left: -1px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* Dark Theme Adjustments */
[data-theme="dark"] .modal-overlay {
    background: rgba(0, 0, 0, 0.8);
}

[data-theme="dark"] .avatar-upload-area.dragover {
    background: rgba(129, 196, 248, 0.1);
}

[data-theme="dark"] .address-suggestion.selected {
    background: rgba(129, 196, 248, 0.1);
}