/* ==========================================================================
   PiTools Data Converter Studio Stylesheet
   ========================================================================== */

:root {
    --conv-card-bg: var(--card-bg, #0f172a);
    --conv-card-border: var(--card-border, #1e293b);
    --conv-editor-bg: #090d16;
    --conv-text-main: var(--text-main, #f8fafc);
    --conv-text-muted: var(--text-muted, #94a3b8);
    --conv-btn-bg: rgba(255, 255, 255, 0.05);
    --conv-btn-border: #1e293b;
    --conv-header-bg: rgba(0, 0, 0, 0.2);
    --conv-table-th-bg: #1e293b;
    --conv-table-th-text: #38bdf8;
    --conv-table-border: #334155;
    --conv-table-row-even: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] {
    --conv-card-bg: #ffffff;
    --conv-card-border: #e2e8f0;
    --conv-editor-bg: #f8fafc;
    --conv-text-main: #0f172a;
    --conv-text-muted: #64748b;
    --conv-btn-bg: #f1f5f9;
    --conv-btn-border: #e2e8f0;
    --conv-header-bg: #f1f5f9;
    --conv-table-th-bg: #f1f5f9;
    --conv-table-th-text: #0284c7;
    --conv-table-border: #e2e8f0;
    --conv-table-row-even: #f8fafc;
}

.converter-studio-container {
    max-width: 1680px;
    margin: 0 auto;
    padding: 0.5rem 0.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Hero Header */
.converter-header-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    background: var(--conv-card-bg);
    border: 1px solid var(--conv-card-border);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.converter-hero-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.converter-hero-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.35);
    flex-shrink: 0;
}

.converter-hero-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--conv-text-main);
    margin: 0 0 0.15rem 0;
    letter-spacing: -0.3px;
}

.converter-hero-sub {
    font-size: 0.82rem;
    color: var(--conv-text-muted);
    margin: 0;
}

.converter-hero-badges {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.converter-badge {
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(14, 165, 233, 0.12);
    color: #0ea5e9;
    border: 1px solid rgba(14, 165, 233, 0.25);
}

/* Modes Card */
.converter-modes-card {
    background: var(--conv-card-bg);
    border: 1px solid var(--conv-card-border);
    border-radius: 12px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.converter-modes-group {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    overflow-x: auto;
    padding-bottom: 2px;
}

.converter-mode-btn {
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--conv-btn-border);
    background: var(--conv-btn-bg);
    color: var(--conv-text-main);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.12s ease;
}

.converter-mode-btn:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
}

.converter-mode-btn.active {
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

/* Controls & Selectors Row */
.converter-controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.65rem;
    padding-top: 0.45rem;
    border-top: 1px solid var(--conv-card-border);
}

.converter-selector-pair {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.converter-select-wrap {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.converter-select-label {
    font-size: 0.74rem;
    font-weight: 800;
    color: var(--conv-text-muted);
    text-transform: uppercase;
}

.converter-select {
    padding: 0.32rem 0.6rem;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 6px;
    border: 1px solid var(--conv-btn-border);
    background: var(--conv-card-bg);
    color: var(--conv-text-main);
    cursor: pointer;
    outline: none;
}

.converter-select-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.74rem;
}

.converter-swap-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--conv-btn-border);
    background: var(--conv-btn-bg);
    color: var(--conv-text-main);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.converter-swap-btn:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
    transform: rotate(180deg);
}

.converter-options-group {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.converter-opt-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.74rem;
    color: var(--conv-text-muted);
}

.converter-opt-check {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.74rem;
    color: var(--conv-text-main);
    cursor: pointer;
    user-select: none;
}

.converter-opt-check input {
    accent-color: #0ea5e9;
    cursor: pointer;
}

/* Error Banner */
.converter-error-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.85rem;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #ef4444;
}

.converter-error-icon {
    font-size: 1.25rem;
}

.converter-error-body {
    flex: 1;
}

.converter-error-title {
    font-size: 0.82rem;
    font-weight: 800;
}

.converter-error-msg {
    font-size: 0.76rem;
    font-family: monospace;
    color: #ef4444;
}

/* Workspace Grid */
.converter-workspace-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    min-height: 520px;
}

.converter-pane {
    background: var(--conv-card-bg);
    border: 1px solid var(--conv-card-border);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.converter-pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.65rem;
    background: var(--conv-header-bg);
    border-bottom: 1px solid var(--conv-card-border);
    gap: 0.5rem;
}

.converter-pane-title {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--conv-text-main);
}

.converter-pane-tabs {
    display: flex;
    gap: 3px;
}

.converter-tab-btn {
    background: transparent;
    border: none;
    outline: none;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--conv-text-muted);
    padding: 3px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.12s ease;
}

.converter-tab-btn.active {
    background: #0ea5e9;
    color: #ffffff;
}

.converter-pane-actions {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.converter-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.25rem 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 4px;
    border: 1px solid var(--conv-btn-border);
    background: var(--conv-btn-bg);
    color: var(--conv-text-main);
    cursor: pointer;
    transition: all 0.12s ease;
}

.converter-btn:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
}

.converter-btn.btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
    color: #ffffff;
    border-color: transparent;
}

.converter-upload-label {
    cursor: pointer;
}

/* Editor & Output Wrapper */
.converter-editor-wrapper,
.converter-output-wrapper {
    flex: 1;
    min-height: 480px;
    max-height: 680px;
    overflow: auto;
    background: var(--conv-editor-bg);
    position: relative;
}

.converter-textarea {
    width: 100%;
    height: 100%;
    min-height: 480px;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    padding: 0.75rem;
    font-family: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--conv-text-main);
    tab-size: 4;
}

/* Interactive Table View */
.converter-table-container {
    width: 100%;
    height: 100%;
    overflow: auto;
    padding: 0.5rem;
}

.converter-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--conv-text-main);
}

.converter-data-table th {
    background: var(--conv-table-th-bg);
    color: var(--conv-table-th-text);
    padding: 6px 10px;
    text-align: left;
    font-weight: 700;
    border: 1px solid var(--conv-table-border);
    position: sticky;
    top: 0;
    z-index: 2;
}

.converter-data-table td {
    padding: 5px 10px;
    border: 1px solid var(--conv-card-border);
    white-space: nowrap;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.converter-data-table tr:nth-child(even) td {
    background: var(--conv-table-row-even);
}

.converter-data-table tr:hover td {
    background: rgba(14, 165, 233, 0.1);
}

/* Statusbar */
.converter-statusbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.35rem 0.85rem;
    background: var(--conv-card-bg);
    border: 1px solid var(--conv-card-border);
    border-radius: 6px;
    font-size: 0.74rem;
    color: var(--conv-text-muted);
    flex-wrap: wrap;
}

.converter-status-item {
    display: flex;
    gap: 0.25rem;
}

.converter-status-label {
    font-weight: 700;
}

.converter-status-right {
    margin-left: auto;
    font-weight: 700;
    color: #0ea5e9;
}

/* SEO Info Section */
.converter-info-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.converter-info-card {
    background: var(--conv-card-bg);
    border: 1px solid var(--conv-card-border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
}

.converter-info-card h2,
.converter-info-card h3 {
    color: var(--conv-text-main);
    margin: 0 0 0.45rem 0;
    font-size: 1rem;
}

.converter-info-card p,
.converter-info-card ul {
    color: var(--conv-text-muted);
    font-size: 0.82rem;
    line-height: 1.6;
    margin: 0;
}

.converter-info-card ul {
    padding-left: 1.25rem;
}

.converter-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.converter-guide-link {
    color: #0ea5e9;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.82rem;
}

.converter-guide-link:hover {
    text-decoration: underline;
}

/* Responsive Rules */
@media (max-width: 900px) {
    .converter-workspace-grid {
        grid-template-columns: 1fr;
    }

    .converter-info-grid {
        grid-template-columns: 1fr;
    }

    .converter-editor-wrapper,
    .converter-output-wrapper {
        min-height: 320px;
        max-height: 420px;
    }

    .converter-textarea {
        min-height: 320px;
    }
}