/* ============================================================
   Equalza — JSON Formatter Tool
   ============================================================ */

/* ---------- Variables ---------- */
.jf-tool {
    --jf-bg: #ffffff;
    --jf-surface: #f9fafb;
    --jf-border: #e5e7eb;
    --jf-text: #111827;
    --jf-text-muted: #6b7280;
    --jf-primary: #10b981;
    --jf-primary-hover: #059669;
    --jf-danger: #ef4444;
    --jf-warning: #f59e0b;
    --jf-success: #10b981;
    --jf-font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Menlo', 'Consolas', monospace;
    --jf-radius: 10px;
    --jf-radius-sm: 6px;
    --jf-shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --jf-shadow-lg: 0 10px 25px rgba(0,0,0,.1), 0 6px 10px rgba(0,0,0,.08);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--jf-text);
    max-width: 960px;
    margin: 0 auto;
}

/* ---------- Toolbar / Tabs ---------- */
.jf-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.jf-tabs {
    display: flex;
    gap: 4px;
    background: var(--jf-surface);
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius);
    padding: 4px;
}

.jf-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--jf-text-muted);
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--jf-radius-sm);
    cursor: pointer;
    transition: all .2s;
    white-space: nowrap;
}

.jf-tab:hover {
    color: var(--jf-text);
    background: rgba(0,0,0,.04);
}

.jf-tab.active {
    background: var(--jf-bg);
    color: var(--jf-primary);
    box-shadow: var(--jf-shadow);
}

.jf-toolbar-actions {
    display: flex;
    gap: 6px;
}

.jf-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--jf-border);
    background: var(--jf-bg);
    border-radius: var(--jf-radius-sm);
    cursor: pointer;
    color: var(--jf-text-muted);
    transition: all .2s;
}

.jf-icon-btn:hover {
    color: var(--jf-text);
    border-color: var(--jf-primary);
}

/* ---------- Panels ---------- */
.jf-panel {
    display: none;
}

.jf-panel.active {
    display: block;
}

/* ---------- Editor Panel ---------- */
.jf-editor-wrap {
    background: var(--jf-surface);
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius);
    overflow: hidden;
}

.jf-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid var(--jf-border);
    gap: 12px;
    flex-wrap: wrap;
}

.jf-indent-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--jf-text-muted);
}

.jf-select {
    padding: 4px 8px;
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius-sm);
    background: var(--jf-bg);
    font-size: 13px;
    color: var(--jf-text);
    cursor: pointer;
}

.jf-stats {
    display: flex;
    gap: 14px;
    font-size: 12px;
    color: var(--jf-text-muted);
}

.jf-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ---------- Textarea / Drop Zone ---------- */
.jf-drop-zone {
    position: relative;
    min-height: 320px;
}

.jf-textarea {
    width: 100%;
    min-height: 320px;
    padding: 16px;
    border: none;
    background: transparent;
    font-family: var(--jf-font-mono);
    font-size: 13px;
    line-height: 1.6;
    color: var(--jf-text);
    resize: vertical;
    outline: none;
    box-sizing: border-box;
    tab-size: 2;
}

.jf-textarea::placeholder {
    color: var(--jf-text-muted);
    opacity: .6;
}

.jf-drop-overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: rgba(16, 185, 129, .08);
    border: 2px dashed var(--jf-primary);
    border-radius: var(--jf-radius);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--jf-primary);
    font-size: 14px;
    font-weight: 500;
    z-index: 5;
    pointer-events: none;
}

.jf-drop-zone.dragging .jf-drop-overlay {
    display: flex;
}

/* ---------- Validation Status ---------- */
.jf-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid var(--jf-border);
    font-size: 13px;
    font-weight: 500;
}

.jf-status.valid {
    color: var(--jf-success);
    background: rgba(16, 185, 129, .06);
}

.jf-status.invalid {
    color: var(--jf-danger);
    background: rgba(239, 68, 68, .06);
}

.jf-status-icon {
    font-size: 16px;
}

/* ---------- Action Buttons ---------- */
.jf-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.jf-actions-right {
    display: flex;
    gap: 6px;
    margin-inline-start: auto;
}

.jf-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--jf-radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all .2s;
    border: 1px solid transparent;
    white-space: nowrap;
}

.jf-btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.jf-btn-danger {
    color: var(--jf-danger);
    border-color: var(--jf-danger);
}

.jf-btn-danger:hover {
    background: var(--jf-danger);
    color: #fff;
}

/* ---------- JSON Path Bar ---------- */
.jf-path-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px 12px;
    background: var(--jf-surface);
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius-sm);
    font-size: 12px;
    color: var(--jf-text-muted);
}

.jf-path-bar code {
    font-family: var(--jf-font-mono);
    color: var(--jf-primary);
    font-weight: 600;
    flex: 1;
    overflow-x: auto;
}

.jf-path-copy {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--jf-text-muted);
    padding: 2px;
    transition: color .2s;
}

.jf-path-copy:hover {
    color: var(--jf-primary);
}

/* ---------- Tree View ---------- */
.jf-tree-toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.jf-tree-container {
    background: var(--jf-surface);
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius);
    padding: 16px;
    min-height: 300px;
    max-height: 600px;
    overflow: auto;
    font-family: var(--jf-font-mono);
    font-size: 13px;
    line-height: 1.7;
}

.jf-tree-node {
    padding-inline-start: 20px;
}

.jf-tree-key {
    color: #7c3aed;
    cursor: pointer;
}

.jf-tree-key:hover {
    text-decoration: underline;
}

.jf-tree-string { color: #059669; }
.jf-tree-number { color: #2563eb; }
.jf-tree-boolean { color: #d97706; }
.jf-tree-null { color: #9ca3af; font-style: italic; }

.jf-tree-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--jf-text-muted);
    font-size: 10px;
    padding: 0;
    transition: transform .15s;
    vertical-align: middle;
    margin-inline-end: 4px;
}

.jf-tree-toggle.collapsed {
    transform: rotate(-90deg);
}

[dir="rtl"] .jf-tree-toggle.collapsed {
    transform: rotate(90deg);
}

.jf-tree-bracket {
    color: var(--jf-text-muted);
}

.jf-tree-collapsed > .jf-tree-node {
    display: none;
}

.jf-tree-count {
    color: var(--jf-text-muted);
    font-size: 11px;
    font-style: italic;
    margin-inline-start: 4px;
}

/* ---------- Diff Panel ---------- */
.jf-diff-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.jf-diff-col label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--jf-text-muted);
}

.jf-diff-textarea {
    min-height: 200px;
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius-sm);
    background: var(--jf-surface);
}

.jf-diff-output {
    margin-top: 16px;
    background: var(--jf-surface);
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius);
    padding: 16px;
    font-family: var(--jf-font-mono);
    font-size: 13px;
    line-height: 1.7;
    max-height: 500px;
    overflow: auto;
}

.jf-diff-line {
    padding: 1px 8px;
    white-space: pre-wrap;
    word-break: break-all;
}

.jf-diff-add {
    background: rgba(16, 185, 129, .12);
    color: #065f46;
    border-inline-start: 3px solid var(--jf-success);
}

.jf-diff-remove {
    background: rgba(239, 68, 68, .1);
    color: #991b1b;
    border-inline-start: 3px solid var(--jf-danger);
}

.jf-diff-same {
    color: var(--jf-text-muted);
}

/* ---------- Convert Panel ---------- */
.jf-convert-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.jf-convert-header label {
    font-size: 13px;
    font-weight: 500;
    color: var(--jf-text-muted);
}

.jf-convert-btns {
    display: flex;
    gap: 4px;
    background: var(--jf-surface);
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius-sm);
    padding: 3px;
}

.jf-convert-type {
    padding: 6px 14px;
    border: none;
    background: transparent;
    font-size: 13px;
    font-weight: 500;
    color: var(--jf-text-muted);
    border-radius: 4px;
    cursor: pointer;
    transition: all .2s;
}

.jf-convert-type:hover {
    color: var(--jf-text);
}

.jf-convert-type.active {
    background: var(--jf-bg);
    color: var(--jf-primary);
    box-shadow: var(--jf-shadow);
}

.jf-convert-output-wrap {
    position: relative;
}

.jf-convert-output {
    min-height: 240px;
    border: 1px solid var(--jf-border);
    border-radius: var(--jf-radius);
    background: var(--jf-surface);
}

.jf-convert-actions {
    display: flex;
    gap: 6px;
    margin-top: 10px;
}

/* ---------- History Modal ---------- */
.jf-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.jf-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(4px);
}

.jf-modal-content {
    position: relative;
    background: var(--jf-bg);
    border-radius: var(--jf-radius);
    box-shadow: var(--jf-shadow-lg);
    width: 90%;
    max-width: 560px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: jfModalIn .25s ease;
}

@keyframes jfModalIn {
    from { opacity: 0; transform: scale(.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.jf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--jf-border);
}

.jf-modal-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.jf-modal-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--jf-text-muted);
    padding: 0;
    line-height: 1;
}

.jf-modal-close:hover {
    color: var(--jf-text);
}

.jf-modal-body {
    padding: 16px 20px;
    overflow-y: auto;
    flex: 1;
}

.jf-modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--jf-border);
    display: flex;
    justify-content: flex-end;
}

/* History items */
.jf-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--jf-border);
    cursor: pointer;
    transition: background .15s;
    gap: 12px;
}

.jf-history-item:last-child {
    border-bottom: none;
}

.jf-history-item:hover {
    background: var(--jf-surface);
}

.jf-history-meta {
    font-size: 12px;
    color: var(--jf-text-muted);
}

.jf-history-preview {
    font-family: var(--jf-font-mono);
    font-size: 12px;
    color: var(--jf-text);
    max-width: 350px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.jf-no-history {
    text-align: center;
    padding: 40px 0;
    color: var(--jf-text-muted);
    font-size: 14px;
}

/* ---------- Toast ---------- */
.jf-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    background: #111827;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    box-shadow: var(--jf-shadow-lg);
    z-index: 10000;
    animation: jfToastIn .3s ease;
}

@keyframes jfToastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ---------- Privacy ---------- */
.jf-privacy {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    font-size: 12px;
    color: var(--jf-text-muted);
    margin-top: 20px;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .jf-tabs {
        flex-wrap: wrap;
    }

    .jf-tab {
        padding: 6px 10px;
        font-size: 12px;
    }

    .jf-tab svg {
        display: none;
    }

    .jf-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .jf-actions-right {
        margin-inline-start: 0;
        justify-content: flex-end;
    }

    .jf-diff-inputs {
        grid-template-columns: 1fr;
    }

    .jf-editor-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ---------- RTL ---------- */
[dir="rtl"] .jf-tool {
    text-align: right;
}

[dir="rtl"] .jf-actions-right {
    margin-inline-start: auto;
    margin-inline-end: 0;
}