/* ========== Root Styles and Variables ========== */
:root {
    --color-primary: #0066cc;
    --color-primary-hover: #0052a3;
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    
    --spacing-xs: 2px;
    --spacing-sm: 4px;
    --spacing-md: 8px;
    --spacing-lg: 12px;
    --spacing-xl: 16px;
    
    --border-radius: 4px;
    --border-radius-lg: 8px;
    --transition: all 0.3s ease;
}

/* Light Theme */
.theme-light {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-hover: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Dark Theme */
.theme-dark {
    --bg-primary: #1e1e1e;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #404040;
    --shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 0.5rem 1rem rgba(0, 0, 0, 0.5);
}

/* ========== Global Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}


body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

/* ========== App Container ========== */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* ========== Header ========== */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #0052a3 100%);
    color: white;
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--border-color);
}

.app-header h1 {
    font-size: 1.35rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.theme-toggle-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* ========== Main Content ========== */
.main-content {
    display: flex;
    flex: 1;
    gap: 6px;
    padding: 0;
    overflow: hidden;
}

.panel {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.input-panel {
    flex: 1 0 0;
    width: 0;
    min-width: 0;
}

.output-panel {
    flex: 1 0 0;
    width: 0;
    min-width: 0;
}

/* ========== Panel Header ========== */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
}

.action-buttons {
    display: flex;
    gap: 3px;
    flex-wrap: wrap;
}

/* ========== Buttons ========== */
.btn {
    padding: 4px 8px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.btn-sm {
    padding: 3px 6px;
    font-size: 0.7rem;
}

.btn-clear-history {
    padding: 3px 6px;
    background-color: var(--color-danger);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.65rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-clear-history:hover {
    background-color: #c82333;
}

/* ========== Textarea ========== */
.input-textarea {
    flex: 1;
    padding: 6px;
    border: none;
    outline: none;
    resize: none;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
    font-size: 0.85rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

.input-textarea::placeholder {
    color: var(--text-secondary);
}

/* ========== Output Content ========== */
.output-content {
    flex: 1;
    overflow: auto;
    padding: 0;
}

.placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-style: italic;
}

.error-message {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: var(--border-radius-lg);
    color: #856404;
    font-size: 0.85rem;
}

.theme-dark .error-message {
    background-color: #664d00;
    border-color: #997404;
    color: #ffb800;
}

.error-icon {
    font-size: 1rem;
}

.json-tree {
    min-height: 100%;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.45;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.json-node {
    min-width: max-content;
}

.json-line {
    white-space: nowrap;
}

.json-children {
    padding-left: 18px;
}

.json-toggle,
.json-toggle-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    margin-right: 2px;
    vertical-align: middle;
}

.json-toggle {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    font-size: 0.7rem;
}

.json-toggle:hover {
    color: var(--color-primary);
}

.json-key {
    color: #a626a4;
}

.theme-dark .json-key {
    color: #d19a66;
}

.json-punctuation {
    color: var(--text-primary);
}

.json-ellipsis {
    color: var(--text-secondary);
    margin: 0 2px;
}

.json-value {
    color: var(--text-primary);
}

.json-string {
    color: #22863a;
}

.theme-dark .json-string {
    color: #98c379;
}

.json-number {
    color: #005cc5;
}

.theme-dark .json-number {
    color: #61afef;
}

.json-boolean {
    color: #d73a49;
}

.theme-dark .json-boolean {
    color: #e06c75;
}

.json-null {
    color: #6f42c1;
}

.theme-dark .json-null {
    color: #c678dd;
}

/* ========== History Sidebar ========== */
.history-sidebar {
    width: 180px;
    min-width: 180px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 8px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.history-header h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0;
}

.history-list {
    flex: 1;
    overflow-y: auto;
    padding: 3px;
}

.history-empty {
    padding: 6px 3px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.history-item {
    padding: 3px;
    margin-bottom: 2px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
}

.history-item:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateX(1px);
}

.history-preview {
    display: block;
    font-size: 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', monospace;
}

/* ========== Scrollbar Styling ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-secondary);
}

/* ========== Responsive Design ========== */
@media (max-width: 1200px) {
    .main-content {
        flex-direction: column;
    }
    
    .input-panel, .output-panel {
        flex: 1;
        min-height: 200px;
    }
    
    .history-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .app-header {
        padding: var(--spacing-md);
    }
    
    .app-header h1 {
        font-size: 1.3rem;
    }
    
    .action-buttons {
        gap: var(--spacing-xs);
    }
    
    .btn-sm {
        padding: 4px 8px;
        font-size: 0.75rem;
    }
    
    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}

/* ========== Print Styles ========== */
@media print {
    .app-header,
    .action-buttons,
    .history-sidebar {
        display: none;
    }
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: #0071c1;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.px-4 {
    padding-right: 0 !important;
    padding-left: 0 !important;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #1b6ec2;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: #c02d76;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}