/* ============================================
   SQL File Viewer - style-sql.css
   tools.suritdevelopers.com | svw- prefix throughout
   Light mode default, dark mode via [data-theme="dark"]
   ============================================ */

/* ── Variables ─────────────────────────────── */
:root {
    --svw-primary:        #3399cc;
    --svw-primary-light:  rgba(51, 153, 204, 0.12);
    --svw-red:            #e64e4e;
    --svw-green:          #339966;
    --svw-orange:         #f97316;
    --svw-purple:         #8b5cf6;
    --svw-teal:           #14b8a6;
    --svw-pink:           #ec4899;
    --svw-gray:           #6b7280;

    --svw-bg:             #f8fafc;
    --svw-bg-elevated:    #ffffff;
    --svw-bg-secondary:   #f1f5f9;

    --svw-text:           #1e293b;
    --svw-text-secondary: #64748b;
    --svw-text-muted:     #94a3b8;

    --svw-border:         #e2e8f0;

    --svw-shadow-sm:  0 1px 3px rgba(0,0,0,0.07);
    --svw-shadow-md:  0 4px 12px rgba(0,0,0,0.09);
    --svw-shadow-lg:  0 10px 25px rgba(0,0,0,0.10);

    --svw-radius-sm:   6px;
    --svw-radius-md:   10px;
    --svw-radius-lg:   14px;
    --svw-radius-full: 9999px;

    --svw-speed: 0.22s;

    /* SQL code pane - stays dark in both modes */
    --svw-code-bg:         #1a1a2e;
    --svw-code-text:       #d4d4d4;
    --svw-code-keyword:    #569cd6;
    --svw-code-string:     #ce9178;
    --svw-code-number:     #b5cea8;
    --svw-code-comment:    #6a9955;
    --svw-code-function:   #dcdcaa;
    --svw-code-identifier: #4ec9b0;
    --svw-code-line-num:   #555577;

    /* Op badge colors */
    --svw-op-select: #3399cc;
    --svw-op-insert: #339966;
    --svw-op-update: #f97316;
    --svw-op-delete: #e64e4e;
    --svw-op-create: #8b5cf6;
    --svw-op-alter:  #14b8a6;
    --svw-op-drop:   #ec4899;
    --svw-op-other:  #6b7280;
}

[data-theme="dark"] {
    --svw-bg:             #0f172a;
    --svw-bg-elevated:    #1e293b;
    --svw-bg-secondary:   #263348;

    --svw-text:           #f1f5f9;
    --svw-text-secondary: #94a3b8;
    --svw-text-muted:     #64748b;

    --svw-border:         #334155;

    --svw-primary:        #4db8e8;
    --svw-primary-light:  rgba(77, 184, 232, 0.12);

    --svw-code-bg:        #0d1117;
    --svw-code-text:      #c9d1d9;
    --svw-code-keyword:   #79c0ff;
    --svw-code-string:    #a5d6ff;
    --svw-code-number:    #79c0ff;
    --svw-code-comment:   #8b949e;
    --svw-code-function:  #d2a8ff;
    --svw-code-identifier:#7ee787;
    --svw-code-line-num:  #484f58;
}

/* ── Base ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

/* ── Header ─────────────────────────────────── */
.svw-header {
    text-align: center;
    margin-bottom: 2rem;
}

.svw-title-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    margin-bottom: 0.9rem;
}

.svw-icon {
    width: 44px;
    height: 44px;
    color: var(--svw-primary);
    flex-shrink: 0;
}

.svw-title {
    font-size: clamp(1.8rem, 4.5vw, 2.8rem);
    font-weight: 700;
    margin: 0;
    color: var(--svw-primary);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.svw-description {
    font-size: 1.05rem;
    color: var(--svw-text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.svw-description a {
    color: var(--svw-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ── Main Panel ─────────────────────────────── */
.svw-main {
    background: var(--svw-bg-elevated);
    border-radius: var(--svw-radius-lg);
    box-shadow: var(--svw-shadow-lg);
    overflow: visible !important;
    border: 1px solid var(--svw-border);
    transition: background-color var(--svw-speed), border-color var(--svw-speed);
}

/* ── Upload Tabs ────────────────────────────── */
.svw-upload-tabs {
    display: flex;
    border-bottom: 1px solid var(--svw-border);
    background: var(--svw-bg-secondary);
    border-radius: var(--svw-radius-lg) var(--svw-radius-lg) 0 0;
    overflow: hidden;
}

.svw-tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.85rem 1.25rem;
    border: none;
    background: transparent;
    color: var(--svw-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--svw-speed);
}

.svw-tab-btn.active {
    background: var(--svw-bg-elevated);
    color: var(--svw-primary);
    font-weight: 600;
    box-shadow: 0 -2px 0 inset var(--svw-primary);
}

.svw-tab-btn:not(.active):hover {
    background: var(--svw-bg-elevated);
    color: var(--svw-text);
}

/* ── Upload Section ─────────────────────────── */
.svw-upload-section {
    padding: 2.5rem 2.5rem 3rem;
}

.svw-tab-panel { display: none; }
.svw-tab-panel.active { display: block; }

.svw-upload-area {
    border: 2px dashed var(--svw-border);
    border-radius: var(--svw-radius-lg);
    padding: 3.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: var(--svw-bg-secondary);
    position: relative;
}

.svw-upload-area:hover,
.svw-upload-area.dragover {
    border-color: var(--svw-primary);
    background: var(--svw-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--svw-shadow-md);
}

.svw-upload-icon {
    color: var(--svw-primary);
    margin-bottom: 1.25rem;
    transition: transform 0.25s ease;
}

.svw-upload-area:hover .svw-upload-icon {
    transform: translateY(-4px);
}

.svw-upload-title {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--svw-text);
    margin: 0 0 0.4rem;
}

.svw-upload-subtitle {
    color: var(--svw-text-secondary);
    margin: 0 0 1.1rem;
}

.svw-file-badges {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.svw-file-badge {
    background: var(--svw-primary-light);
    color: var(--svw-primary);
    padding: 0.3rem 0.8rem;
    border-radius: var(--svw-radius-full);
    font-size: 0.78rem;
    font-weight: 600;
}

.svw-upload-hint {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--svw-bg-elevated);
    color: var(--svw-text-muted);
    padding: 0.45rem 1rem;
    border-radius: var(--svw-radius-full);
    font-size: 0.82rem;
    border: 1px solid var(--svw-border);
}

/* Paste SQL Panel */
.svw-paste-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.svw-paste-textarea {
    width: 100%;
    min-height: 220px;
    padding: 1rem;
    border: 1px solid var(--svw-border);
    border-radius: var(--svw-radius-md);
    background: var(--svw-code-bg);
    color: var(--svw-code-text);
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--svw-speed);
    outline: none;
}

.svw-paste-textarea:focus {
    border-color: var(--svw-primary);
}

.svw-paste-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.svw-paste-hint {
    font-size: 0.82rem;
    color: var(--svw-text-muted);
}

/* ── Progress ───────────────────────────────── */
.svw-progress-wrap {
    padding: 1.25rem 2rem;
    background: var(--svw-bg-secondary);
    border-bottom: 1px solid var(--svw-border);
}

.svw-progress-bar-bg {
    height: 6px;
    background: var(--svw-border);
    border-radius: var(--svw-radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.svw-progress-bar {
    height: 100%;
    background: var(--svw-primary);
    border-radius: var(--svw-radius-full);
    width: 0%;
    transition: width 0.3s ease;
}

.svw-progress-text {
    font-size: 0.83rem;
    color: var(--svw-text-secondary);
    text-align: center;
    display: block;
}

/* ── Error ──────────────────────────────────── */
.svw-error {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    margin: 1rem 1.5rem;
    background: rgba(230, 78, 78, 0.08);
    border: 1px solid var(--svw-red);
    border-radius: var(--svw-radius-md);
    color: var(--svw-red);
    font-size: 0.9rem;
}

.svw-error-top {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.svw-error-top svg { flex-shrink: 0; }
.svw-error-top span { flex: 1; }

.svw-error-contact {
    font-size: 0.82rem;
    color: var(--svw-text-secondary);
    padding-left: 1.75rem;
}

.svw-error-contact a {
    color: var(--svw-primary);
    text-decoration: underline;
}

.svw-error-close {
    background: none;
    border: none;
    color: var(--svw-red);
    cursor: pointer;
    padding: 0.2rem;
    border-radius: var(--svw-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--svw-speed);
}

.svw-error-close:hover { background: rgba(230,78,78,0.15); }

/* ── Editor Section ─────────────────────────── */
.svw-editor {
    animation: svwFadeIn 0.3s ease;
}

/* File Info Bar */
.svw-file-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding: 1rem 1.5rem;
    background: var(--svw-bg-secondary);
    border-bottom: 1px solid var(--svw-border);
    transition: background-color var(--svw-speed), border-color var(--svw-speed);
}

.svw-file-info-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--svw-text-secondary);
    font-size: 0.875rem;
}

.svw-file-info-item svg { color: var(--svw-primary); }

/* Toolbar */
.svw-toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.5rem;
    background: var(--svw-bg-elevated);
    border-bottom: 1px solid var(--svw-border);
    transition: background-color var(--svw-speed), border-color var(--svw-speed);
}

.svw-toolbar-left,
.svw-toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

/* View Toggle */
.svw-view-toggle {
    display: flex;
    border: 1px solid var(--svw-border);
    border-radius: var(--svw-radius-md);
    overflow: hidden;
    background: var(--svw-bg-secondary);
}

.svw-view-toggle button {
    padding: 0.55rem 0.95rem;
    border: none;
    background: transparent;
    color: var(--svw-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--svw-speed);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}

.svw-view-toggle button:not(:last-child) {
    border-right: 1px solid var(--svw-border);
}

.svw-view-toggle button:hover {
    background: var(--svw-bg-elevated);
    color: var(--svw-text);
}

.svw-view-toggle button.active {
    background: var(--svw-primary);
    color: #fff;
}

/* Search Bar */
.svw-search-bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--svw-border);
    border-radius: var(--svw-radius-md);
    background: var(--svw-bg-secondary);
    transition: border-color var(--svw-speed);
    min-width: 200px;
}

.svw-search-bar:focus-within {
    border-color: var(--svw-primary);
    background: var(--svw-bg-elevated);
}

.svw-search-bar svg { color: var(--svw-text-muted); flex-shrink: 0; }

.svw-search-input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.85rem;
    color: var(--svw-text);
    width: 100%;
    min-width: 0;
}

.svw-search-input::placeholder { color: var(--svw-text-muted); }

.svw-search-count {
    font-size: 0.75rem;
    color: var(--svw-text-muted);
    white-space: nowrap;
    padding-left: 0.25rem;
}

/* Toolbar Buttons */
.svw-toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--svw-border);
    background: var(--svw-bg-elevated);
    border-radius: var(--svw-radius-md);
    cursor: pointer;
    transition: all var(--svw-speed);
    color: var(--svw-text-secondary);
    flex-shrink: 0;
}

.svw-toolbar-btn:hover,
.svw-toolbar-btn.active {
    background: var(--svw-primary);
    border-color: var(--svw-primary);
    color: #fff;
}

/* ── Viewer Content ──────────────────────────── */
.svw-content {
    min-height: 420px;
    max-height: 68vh;
    border-bottom: 1px solid var(--svw-border);
    overflow: hidden;
    position: relative;
}

.svw-panel {
    height: 100%;
    max-height: 68vh;
    overflow: auto;
    display: none;
}

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

/* SQL Code Pane */
.svw-code-body {
    background: var(--svw-code-bg);
    min-height: 420px;
    overflow: auto;
}

.svw-code-body.wrap-lines .svw-line-content {
    white-space: pre-wrap;
    word-break: break-all;
}

pre.svw-code {
    margin: 0;
    padding: 1.25rem 1.5rem;
    font-family: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.75;
    color: var(--svw-code-text);
    background: transparent;
    white-space: pre;
    overflow: visible;
}

.svw-line-number {
    display: inline-block;
    width: 3.5rem;
    padding-right: 1rem;
    color: var(--svw-code-line-num);
    text-align: right;
    user-select: none;
    border-right: 1px solid rgba(255,255,255,0.07);
    margin-right: 1rem;
    flex-shrink: 0;
}

.svw-line-content { display: inline; }

/* Syntax tokens */
.svw-kw   { color: var(--svw-code-keyword);    font-weight: 600; }
.svw-str  { color: var(--svw-code-string); }
.svw-num  { color: var(--svw-code-number); }
.svw-cmt  { color: var(--svw-code-comment); font-style: italic; }
.svw-fn   { color: var(--svw-code-function); }
.svw-id   { color: var(--svw-code-identifier); }
.svw-hl   { background: rgba(255,220,0,0.25); border-radius: 2px; }

/* Raw Content */
.svw-raw-body {
    background: var(--svw-code-bg);
    min-height: 420px;
    overflow: auto;
}

.svw-raw-body pre {
    margin: 0;
    padding: 1.25rem 1.5rem;
    font-family: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.75;
    color: var(--svw-code-text);
    white-space: pre-wrap;
    word-break: break-word;
}

/* Structure Content */
.svw-structure-body {
    padding: 1.5rem;
    background: var(--svw-bg-elevated);
    min-height: 420px;
}

.svw-structure-analysis {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.svw-struct-section {
    background: var(--svw-bg-secondary);
    border-radius: var(--svw-radius-md);
    padding: 1.25rem;
    border: 1px solid var(--svw-border);
}

.svw-struct-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--svw-text);
}

.svw-struct-section h3 svg { color: var(--svw-primary); }

/* Op badges */
.svw-ops-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.svw-op-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 0.85rem;
    border-radius: var(--svw-radius-full);
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
}

.svw-op-count {
    background: rgba(255,255,255,0.22);
    padding: 0.1rem 0.45rem;
    border-radius: var(--svw-radius-full);
    font-size: 0.72rem;
}

.svw-op-select { background: var(--svw-op-select); }
.svw-op-insert { background: var(--svw-op-insert); }
.svw-op-update { background: var(--svw-op-update); }
.svw-op-delete { background: var(--svw-op-delete); }
.svw-op-create { background: var(--svw-op-create); }
.svw-op-alter  { background: var(--svw-op-alter);  }
.svw-op-drop   { background: var(--svw-op-drop);   }
.svw-op-other  { background: var(--svw-op-other);  }

/* Tables list */
.svw-tables-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.svw-table-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.7rem;
    background: var(--svw-primary-light);
    color: var(--svw-primary);
    border-radius: var(--svw-radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

/* Statements list */
.svw-stmts-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    max-height: 280px;
    overflow-y: auto;
}

.svw-stmt-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.6rem 0.75rem;
    background: var(--svw-bg-elevated);
    border-radius: var(--svw-radius-sm);
    border: 1px solid var(--svw-border);
}

.svw-stmt-num {
    flex-shrink: 0;
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--svw-bg-secondary);
    border-radius: var(--svw-radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--svw-text-secondary);
}

.svw-stmt-type {
    flex-shrink: 0;
    padding: 0.2rem 0.5rem;
    border-radius: var(--svw-radius-sm);
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
}

.svw-stmt-select { background: var(--svw-op-select); }
.svw-stmt-insert { background: var(--svw-op-insert); }
.svw-stmt-update { background: var(--svw-op-update); }
.svw-stmt-delete { background: var(--svw-op-delete); }
.svw-stmt-create { background: var(--svw-op-create); }
.svw-stmt-alter  { background: var(--svw-op-alter);  }
.svw-stmt-drop   { background: var(--svw-op-drop);   }
.svw-stmt-other  { background: var(--svw-op-other);  }

.svw-stmt-preview {
    flex: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--svw-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.svw-stmts-more {
    text-align: center;
    padding: 0.6rem;
    color: var(--svw-text-muted);
    font-size: 0.83rem;
    font-style: italic;
}

/* ── Stats Bar ──────────────────────────────── */
.svw-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding: 1rem 1.5rem;
    background: var(--svw-bg-secondary);
    border-bottom: 1px solid var(--svw-border);
    transition: background-color var(--svw-speed), border-color var(--svw-speed);
}

.svw-stat-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.svw-stat-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--svw-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.svw-stat-icon.blue   { background: var(--svw-primary); }
.svw-stat-icon.green  { background: var(--svw-green); }
.svw-stat-icon.purple { background: var(--svw-purple); }
.svw-stat-icon.orange { background: var(--svw-orange); }

.svw-stat-info { display: flex; flex-direction: column; }

.svw-stat-label {
    font-size: 0.7rem;
    color: var(--svw-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.svw-stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--svw-text);
}

/* ── Action Bar ─────────────────────────────── */
.svw-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.85rem;
    padding: 1.25rem 1.5rem;
    background: var(--svw-bg-elevated);
    border-radius: 0 0 var(--svw-radius-lg) var(--svw-radius-lg);
    transition: background-color var(--svw-speed);
}

.svw-action-group {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
}

/* ── Buttons ────────────────────────────────── */
.svw-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.65rem 1.15rem;
    border-radius: var(--svw-radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--svw-speed);
    border: none;
    white-space: nowrap;
}

.svw-btn-primary {
    background: var(--svw-primary);
    color: #fff;
    border: 1px solid var(--svw-primary);
}

.svw-btn-primary:hover {
    background: #2980b9;
    border-color: #2980b9;
    box-shadow: var(--svw-shadow-md);
}

.svw-btn-secondary {
    background: var(--svw-bg-secondary);
    color: var(--svw-text);
    border: 1px solid var(--svw-border);
}

.svw-btn-secondary:hover {
    background: var(--svw-bg);
    border-color: var(--svw-primary);
    color: var(--svw-primary);
}

.svw-btn-outline {
    background: transparent;
    color: var(--svw-text);
    border: 1px solid var(--svw-border);
}

.svw-btn-outline:hover {
    background: var(--svw-primary-light);
    border-color: var(--svw-primary);
    color: var(--svw-primary);
}

/* ── Related Tools ──────────────────────────── */
.svw-related {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem;
    margin: 2rem 0;
    padding: 1.1rem 1.25rem;
    background: var(--svw-bg-elevated);
    border-radius: var(--svw-radius-lg);
    border: 1px solid var(--svw-border);
    transition: background-color var(--svw-speed), border-color var(--svw-speed);
}

.svw-related-label {
    font-weight: 600;
    color: var(--svw-text);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.svw-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.svw-tool-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    background: var(--svw-bg-secondary);
    color: var(--svw-text-secondary);
    border-radius: var(--svw-radius-full);
    font-size: 0.83rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--svw-speed);
    border: 1px solid var(--svw-border);
}

.svw-tool-link:hover {
    background: var(--svw-primary-light);
    color: var(--svw-primary);
    border-color: var(--svw-primary);
}

/* ── Info Section ───────────────────────────── */
.svw-info-section {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.svw-info-card {
    background: var(--svw-bg-elevated);
    border-radius: var(--svw-radius-lg);
    padding: 1.75rem 2rem;
    border: 1px solid var(--svw-border);
    transition: background-color var(--svw-speed), border-color var(--svw-speed);
}

.svw-info-card h2 {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin: 0 0 1.35rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--svw-text);
}

.svw-info-card h2 svg { color: var(--svw-primary); }

/* Features Grid */
.svw-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.1rem;
}

.svw-feature-item {
    display: flex;
    gap: 0.9rem;
    padding: 1.1rem;
    background: var(--svw-bg-secondary);
    border-radius: var(--svw-radius-md);
    border: 1px solid var(--svw-border);
    transition: border-color var(--svw-speed);
}

.svw-feature-item:hover { border-color: var(--svw-primary); }

.svw-feature-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--svw-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.svw-feature-icon.blue   { background: var(--svw-primary); }
.svw-feature-icon.green  { background: var(--svw-green); }
.svw-feature-icon.purple { background: var(--svw-purple); }
.svw-feature-icon.orange { background: var(--svw-orange); }
.svw-feature-icon.red    { background: var(--svw-red); }
.svw-feature-icon.teal   { background: var(--svw-teal); }

.svw-feature-content h3 {
    margin: 0 0 0.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--svw-text);
}

.svw-feature-content p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--svw-text-secondary);
    line-height: 1.5;
}

/* Syntax badges */
.svw-syntax-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.svw-syntax-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    background: var(--svw-bg-secondary);
    border: 1px solid var(--svw-border);
    border-radius: var(--svw-radius-full);
    font-size: 0.83rem;
    font-weight: 500;
    color: var(--svw-text);
    transition: all var(--svw-speed);
}

.svw-syntax-badge:hover {
    border-color: var(--svw-primary);
    background: var(--svw-primary-light);
    color: var(--svw-primary);
}

.svw-syntax-badge svg { color: var(--svw-primary); }

/* ── FAQ ─────────────────────────────────────── */
.svw-faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.svw-faq-list .faq-item {
    border: 1px solid var(--svw-border);
    border-radius: var(--svw-radius-md);
    overflow: hidden;
    transition: border-color var(--svw-speed);
}

.svw-faq-list .faq-item:hover { border-color: var(--svw-primary); }

.svw-faq-list .faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 1.25rem;
    background: var(--svw-bg-secondary);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--svw-text);
    text-align: left;
    transition: background-color var(--svw-speed);
}

.svw-faq-list .faq-question:hover { background: var(--svw-bg-elevated); }

.svw-faq-list .faq-question svg {
    color: var(--svw-text-muted);
    transition: transform 0.28s ease;
    flex-shrink: 0;
}

.svw-faq-list .faq-item.open .faq-question svg { transform: rotate(180deg); }

.svw-faq-list .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.svw-faq-list .faq-item.open .faq-answer {
    max-height: 500px;
    padding: 0 1.25rem 1.25rem;
}

.svw-faq-list .faq-answer p {
    margin: 0;
    color: var(--svw-text-secondary);
    line-height: 1.7;
    font-size: 0.9rem;
}

/* ── Toast ───────────────────────────────────── */
.svw-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.9rem 1.4rem;
    background: var(--svw-bg-elevated);
    border: 1px solid var(--svw-border);
    border-radius: var(--svw-radius-lg);
    box-shadow: var(--svw-shadow-lg);
    z-index: 10001;
    opacity: 0;
    transition: all 0.28s ease;
    font-size: 0.9rem;
    color: var(--svw-text);
    white-space: nowrap;
}

.svw-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.svw-toast.success svg { color: var(--svw-green); }
.svw-toast.error   svg { color: var(--svw-red); }

/* ── Fullscreen ──────────────────────────────── */
.svw-fullscreen-overlay {
    position: fixed;
    inset: 0;
    background: var(--svw-bg-elevated);
    z-index: 10000;
    display: flex;
    flex-direction: column;
}

.svw-fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.5rem;
    background: var(--svw-bg-secondary);
    border-bottom: 1px solid var(--svw-border);
    flex-shrink: 0;
    gap: 1rem;
    flex-wrap: wrap;
}

.svw-fullscreen-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--svw-text);
    font-size: 0.9rem;
}

.svw-fullscreen-title svg { color: var(--svw-primary); }

.svw-fullscreen-controls {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.svw-fullscreen-body {
    flex: 1;
    overflow: auto;
    background: var(--svw-bg);
}

.svw-fullscreen-doc {
    background: var(--svw-code-bg);
    max-width: 1300px;
    margin: 1.5rem auto;
    border-radius: var(--svw-radius-md);
    box-shadow: var(--svw-shadow-lg);
    overflow: hidden;
}

.svw-fullscreen-doc.svw-structure-doc {
    background: var(--svw-bg-elevated);
    padding: 2rem;
}

.svw-zoom-controls {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--svw-bg-elevated);
    border: 1px solid var(--svw-border);
    border-radius: var(--svw-radius-full);
    padding: 0.2rem 0.3rem;
}

.svw-zoom-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--svw-radius-full);
    color: var(--svw-text-secondary);
    transition: all var(--svw-speed);
}

.svw-zoom-btn:hover { background: var(--svw-primary-light); color: var(--svw-primary); }

.svw-zoom-level {
    min-width: 44px;
    text-align: center;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--svw-text);
}

.svw-close-fullscreen {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--svw-red);
    color: #fff;
    border: none;
    border-radius: var(--svw-radius-full);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--svw-speed);
}

.svw-close-fullscreen:hover { background: #c0392b; }

/* ── Responsive ─────────────────────────────── */
@media (max-width: 900px) {
    .svw-toolbar { flex-direction: column; align-items: stretch; }
    .svw-toolbar-left,
    .svw-toolbar-right { justify-content: center; }
    .svw-features-grid { grid-template-columns: 1fr; }
    .svw-actions { flex-direction: column; }
    .svw-action-group { width: 100%; justify-content: center; }
}

@media (max-width: 768px) {
    .svw-upload-section { padding: 1.75rem 1.25rem 2.25rem; }
    .svw-upload-area { padding: 2.5rem 1.5rem; }
    .svw-stats { gap: 0.85rem; padding: 0.85rem 1rem; }
    .svw-actions { padding: 1rem; }
    .svw-search-bar { min-width: 0; flex: 1; }
}

@media (max-width: 540px) {
    .svw-title-row { flex-direction: column; gap: 0.4rem; }
    .svw-file-info { flex-direction: column; gap: 0.5rem; }
    .svw-view-toggle { width: 100%; }
    .svw-view-toggle button { flex: 1; justify-content: center; }
    .svw-toolbar-right { width: 100%; justify-content: space-between; }
    .svw-stats { flex-direction: column; gap: 0.6rem; }
    .svw-related { flex-direction: column; align-items: flex-start; }
    .svw-btn { width: 100%; justify-content: center; }
    .svw-fullscreen-header { flex-direction: column; }
    .svw-fullscreen-controls { width: 100%; justify-content: space-between; }
}

/* ── Animations ─────────────────────────────── */
@keyframes svwFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Print ───────────────────────────────────── */
@media print {
    .svw-upload-section,
    .svw-toolbar,
    .svw-actions,
    .svw-stats,
    .svw-info-section,
    .svw-related,
    .svw-progress-wrap { display: none !important; }
    .svw-main { box-shadow: none; border: none; }
    .svw-editor { display: block !important; }
    .svw-panel { display: block !important; max-height: none !important; }
    .svw-code-body { background: #fff; }
    pre.svw-code { color: #000; }
    .svw-kw { color: #00f; }
    .svw-str { color: #080; }
    .svw-cmt { color: #888; }
    .svw-num { color: #f00; }
}

/* ── Reduced motion ─────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ── Scrollbars ─────────────────────────────── */
::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--svw-bg-secondary); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: var(--svw-text-muted); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--svw-text-secondary); }

/* Checkbox overrides (global custom_styles.css sets 20px blue) */
.svw-info-card input[type="checkbox"],
.svw-main input[type="checkbox"] {
    width: 16px !important;
    height: 16px !important;
    min-width: 16px !important;
    accent-color: var(--svw-primary) !important;
}