/* ==========================================================================
   PubCreate - Visual Email Template Studio
   Design: High-contrast dark theme with warm amber accents
   Fonts: IBM Plex family for readability
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Dark theme palette - High contrast */
    --bg-darkest: #0d0f12;
    --bg-dark: #141619;
    --bg-medium: #1c1f24;
    --bg-light: #252931;
    --bg-lighter: #2f343d;
    --bg-hover: #363c47;

    /* Text - High contrast for readability */
    --text-primary: #f4f5f7;
    --text-secondary: #b8bcc5;
    --text-muted: #8891a0;
    --text-dim: #5c6370;

    /* Warm accent - Amber/Gold */
    --accent-primary: #f5a623;
    --accent-light: #ffc95c;
    --accent-glow: rgba(245, 166, 35, 0.25);
    --accent-border: rgba(245, 166, 35, 0.4);

    /* Node types (for Data Puller Builder) */
    --node-trigger: #4ade80;
    --node-mcp: #60a5fa;
    --node-transform: #c084fc;
    --node-iterator: #f472b6;
    --node-collector: #f5a623;

    /* Status */
    --success: #22c55e;
    --success-dim: rgba(34, 197, 94, 0.15);
    --error: #ef4444;
    --error-dim: rgba(239, 68, 68, 0.15);
    --warning: #f5a623;
    --info: #3b82f6;

    /* Borders */
    --border-subtle: #2a2f38;
    --border-medium: #3a4049;
    --border-strong: #4a5260;

    /* Typography - IBM Plex for readability */
    --font-mono: 'IBM Plex Mono', 'JetBrains Mono', monospace;
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --text-xs: 12px;
    --text-sm: 13px;
    --text-base: 14px;
    --text-lg: 16px;
    --text-xl: 18px;
    --text-2xl: 22px;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 14px;

    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);
    --transition: 200ms ease;

    /* Layout */
    --header-height: 60px;
    --sidebar-width: 300px;
    --panel-width: 340px;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--text-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-darkest);
    color: var(--text-primary);
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-light);
}

/* --------------------------------------------------------------------------
   App Header
   -------------------------------------------------------------------------- */
.app-header {
    height: var(--header-height);
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-medium);
    display: flex;
    align-items: center;
    padding: 0 var(--space-6);
    gap: var(--space-6);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--text-primary);
    letter-spacing: -0.3px;
    text-decoration: none;
}

.logo:hover {
    color: var(--text-primary);
}

.logo-mark {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-light), var(--accent-primary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    color: var(--bg-darkest);
    font-weight: 700;
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: var(--space-1);
    background: var(--bg-medium);
    padding: var(--space-1);
    border-radius: var(--radius-lg);
}

.nav-tab {
    padding: var(--space-3) var(--space-5);
    border-radius: 8px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
}

.nav-tab:hover {
    color: var(--text-primary);
    background: var(--bg-light);
}

.nav-tab.active {
    background: var(--accent-primary);
    color: var(--bg-darkest);
}

.nav-tab-icon {
    width: 18px;
    height: 18px;
}

.header-spacer { flex: 1; }

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header-version {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-dim);
    padding: var(--space-1) var(--space-2);
    background: var(--bg-medium);
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    padding: var(--space-3) var(--space-5);
    border-radius: 8px;
    font-size: var(--text-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-light);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-darkest);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-light);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-strong);
}

.btn-success {
    background: var(--success);
    color: var(--bg-darkest);
}

.btn-success:hover:not(:disabled) {
    background: #16a34a;
}

.btn-ai {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: white;
}

.btn-ai:hover:not(:disabled) {
    background: linear-gradient(135deg, #6d28d9, #9333ea);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.btn-icon {
    padding: var(--space-2);
    min-width: 36px;
    justify-content: center;
}

/* --------------------------------------------------------------------------
   Main Layout
   -------------------------------------------------------------------------- */
.app-main {
    height: calc(100vh - var(--header-height));
    display: flex;
    overflow: hidden;
}

.app-main.builder-fullscreen {
    padding: 0;
}

.app-main.builder-fullscreen .view {
    display: flex;
    flex: 1;
    width: 100%;
    height: 100%;
}

.app-main.editor-fullscreen {
    padding: 0;
}

.app-main.editor-fullscreen .editor-view {
    display: flex;
    flex: 1;
    width: 100%;
    height: 100%;
}

.content {
    flex: 1;
    overflow: auto;
}

/* --------------------------------------------------------------------------
   Sidebar (for pages with sidebar nav like list pages)
   -------------------------------------------------------------------------- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-dark);
    border-right: 1px solid var(--border-medium);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-title {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

.sidebar-search {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-medium);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
}

.sidebar-search::placeholder {
    color: var(--text-dim);
}

.sidebar-search:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

/* Nav Menu (for sidebar navigation) */
.nav-menu {
    list-style: none;
    padding: var(--space-4);
}

.nav-menu li {
    margin-bottom: var(--space-2);
}

.nav-menu a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.nav-menu a:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.nav-menu a.active {
    background: var(--accent-glow);
    color: var(--accent-primary);
}

/* --------------------------------------------------------------------------
   Tool Palette (for Data Puller Builder)
   -------------------------------------------------------------------------- */
.tool-palette {
    background: var(--bg-dark);
    border-right: 1px solid var(--border-medium);
    display: flex;
    flex-direction: column;
    width: var(--sidebar-width);
}

.tool-palette h4 {
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    margin: 0;
}

.tool-search {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.tool-categories {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.tool-group {
    margin-bottom: var(--space-5);
}

.tool-group-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    cursor: pointer;
    user-select: none;
}

.tool-group-chevron {
    width: 18px;
    height: 18px;
    color: var(--text-dim);
    transition: transform var(--transition);
}

.tool-group.collapsed .tool-group-chevron {
    transform: rotate(-90deg);
}

.tool-group-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.tool-group-count {
    font-size: var(--text-xs);
    color: var(--text-dim);
    margin-left: auto;
    background: var(--bg-medium);
    padding: 2px 8px;
    border-radius: 10px;
}

.tool-list {
    margin-top: var(--space-2);
    padding-left: var(--space-2);
}

.tool-group.collapsed .tool-list {
    display: none;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    margin: var(--space-1) 0;
    border-radius: 8px;
    cursor: grab;
    transition: all var(--transition);
    border: 1px solid transparent;
    background: var(--bg-medium);
}

.tool-item:hover {
    background: var(--bg-light);
    border-color: var(--border-medium);
}

.tool-item:active {
    cursor: grabbing;
    border-color: var(--accent-primary);
}

.tool-item-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--node-mcp);
    flex-shrink: 0;
}

.tool-item[data-type="trigger"] .tool-item-dot { background: var(--node-trigger); }
.tool-item[data-type="transform"] .tool-item-dot { background: var(--node-transform); }
.tool-item[data-type="iterator"] .tool-item-dot { background: var(--node-iterator); }
.tool-item[data-type="collector"] .tool-item-dot { background: var(--node-collector); }

.tool-item-name {
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Builder Canvas (Drawflow)
   -------------------------------------------------------------------------- */
.builder-canvas {
    flex: 1;
    position: relative;
    background:
        radial-gradient(circle at 50% 50%, var(--bg-medium) 0%, var(--bg-darkest) 100%);
}

.canvas-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.5;
    pointer-events: none;
}

#drawflow-canvas {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
}

.canvas-controls {
    position: absolute;
    bottom: var(--space-6);
    right: var(--space-6);
    display: flex;
    gap: var(--space-1);
    background: var(--bg-dark);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.zoom-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition);
}

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

/* Builder Footer */
.builder-footer {
    position: absolute;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--bg-dark);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

/* Drawflow custom styles */
.drawflow .drawflow-node {
    background: var(--bg-medium);
    border: 2px solid var(--border-medium);
    border-radius: var(--radius-xl);
    min-width: 220px;
    box-shadow: var(--shadow-md);
}

.drawflow .drawflow-node.selected {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg), 0 0 0 4px var(--accent-glow);
}

.drawflow .drawflow-node .title-box {
    background: var(--bg-light);
    padding: var(--space-3) var(--space-4);
    border-radius: 12px 12px 0 0;
    border-bottom: 1px solid var(--border-medium);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.node-type-badge {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.node-trigger .node-type-badge { background: var(--node-trigger); }
.node-mcp .node-type-badge { background: var(--node-mcp); }
.node-transform .node-type-badge { background: var(--node-transform); }
.node-iterator .node-type-badge { background: var(--node-iterator); }
.node-collector .node-type-badge { background: var(--node-collector); }

.drawflow .drawflow-node .box {
    padding: var(--space-4);
}

.node-section-label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: var(--space-2);
}

.node-ports {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.node-port {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: 6px;
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    color: var(--text-secondary);
    background: var(--bg-dark);
}

.node-port-required {
    color: var(--accent-primary);
    font-weight: 500;
}

.node-port-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.node-port-dot.input { background: var(--node-mcp); }
.node-port-dot.output { background: var(--accent-primary); }

.drawflow .connection .main-path {
    stroke: var(--accent-primary);
    stroke-width: 2.5;
}

.drawflow .connection .main-path:hover {
    stroke: var(--accent-light);
    stroke-width: 3.5;
}

.drawflow .drawflow-node .input,
.drawflow .drawflow-node .output {
    width: 16px;
    height: 16px;
    background: var(--bg-light);
    border: 2px solid var(--text-dim);
}

.drawflow .drawflow-node .input:hover,
.drawflow .drawflow-node .output:hover {
    background: var(--accent-primary);
    border-color: var(--accent-light);
}

/* --------------------------------------------------------------------------
   Info Panel (right sidebar in builder)
   -------------------------------------------------------------------------- */
.info-panel {
    width: var(--panel-width);
    background: var(--bg-dark);
    border-left: 1px solid var(--border-medium);
    display: flex;
    flex-direction: column;
}

.info-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.info-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.info-title-input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    background: var(--bg-medium);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--text-lg);
    font-weight: 600;
    font-family: var(--font-sans);
}

.info-title-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.info-title-input::placeholder {
    color: var(--text-dim);
}

.info-badge {
    font-size: var(--text-xs);
    font-weight: 600;
    padding: var(--space-1) var(--space-2);
    background: var(--accent-primary);
    color: var(--bg-darkest);
    border-radius: 6px;
}

.info-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-5);
}

.info-section {
    margin-bottom: var(--space-6);
}

.info-section-title {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

/* Properties Panel */
.properties-panel {
    width: var(--panel-width);
    background: var(--bg-dark);
    border-left: 1px solid var(--border-medium);
    display: flex;
    flex-direction: column;
}

.properties-panel h4 {
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    margin: 0;
}

#node-properties-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.empty-state {
    color: var(--text-muted);
    text-align: center;
    padding: var(--space-8);
    font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Test Results Panel
   -------------------------------------------------------------------------- */
.test-results-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-medium);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition);
    z-index: 50;
}

.test-results-panel.collapsed {
    transform: translateY(100%);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-medium);
}

.panel-header h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
}

.close-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition);
}

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

.panel-content {
    flex: 1;
    overflow: auto;
    padding: var(--space-4);
}

#test-output {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.6;
    white-space: pre-wrap;
    color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Template Editor
   -------------------------------------------------------------------------- */
.editor-view {
    display: flex;
    height: 100%;
}

/* Data Panel */
.data-panel {
    width: var(--sidebar-width);
    background: var(--bg-dark);
    border-right: 1px solid var(--border-medium);
    display: flex;
    flex-direction: column;
}

.data-panel.collapsed {
    display: none;
}

.collector-selector {
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
}

.collector-label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.collector-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-medium);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    cursor: pointer;
}

.collector-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.data-fields {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.data-panel-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.data-panel-header h4 {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin: 0;
}

.close-panel {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--space-1);
    border-radius: 4px;
}

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

.data-field {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    margin-bottom: var(--space-2);
    background: var(--bg-medium);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition);
}

.data-field:hover {
    border-color: var(--accent-primary);
    background: var(--bg-light);
}

.data-field-info {
    flex: 1;
    min-width: 0;
}

.data-field-name {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.data-field-type {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--bg-hover);
    border-radius: 4px;
    color: var(--text-muted);
}

.data-field-source {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.data-field-source::before {
    content: '\2190';
    color: var(--accent-primary);
    font-weight: 600;
}

.data-field-insert {
    width: 28px;
    height: 28px;
    background: var(--accent-primary);
    border: none;
    border-radius: 6px;
    color: var(--bg-darkest);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
    flex-shrink: 0;
}

.data-field:hover .data-field-insert {
    opacity: 1;
}

/* Variable Tags */
.variable-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-3);
}

.variable-tag {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-medium);
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
}

.variable-tag:hover {
    background: var(--accent-glow);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Editor Main */
.editor-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.editor-toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-5);
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-medium);
}

.editor-file-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.editor-file-name {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.editor-file-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
}

.editor-file-status.modified {
    background: var(--warning);
}

.toolbar-spacer { flex: 1; }

.toolbar-group {
    display: flex;
    gap: var(--space-1);
    background: var(--bg-medium);
    padding: var(--space-1);
    border-radius: 8px;
}

.toolbar-btn {
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.toolbar-btn:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.toolbar-btn.active {
    background: var(--bg-light);
    color: var(--accent-primary);
}

/* Editor Split */
.editor-split {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.editor-code {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-medium);
    min-width: 0;
}

.code-area,
#mjml-editor {
    flex: 1;
    width: 100%;
    background: var(--bg-darkest);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.8;
    padding: var(--space-5);
    color: var(--text-secondary);
    resize: none;
    border: none;
    outline: none;
    tab-size: 2;
}

.code-area::selection,
#mjml-editor::selection {
    background: var(--accent-glow);
}

/* MJML Editor Container */
.mjml-editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg-darkest);
}

.mjml-editor-container .CodeMirror {
    flex: 1;
    height: 100%;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.6;
}

/* CodeMirror theme overrides */
.CodeMirror {
    background: var(--bg-darkest) !important;
    color: var(--text-secondary) !important;
}

.CodeMirror-gutters {
    background: var(--bg-dark) !important;
    border-right: 1px solid var(--border-medium) !important;
}

.CodeMirror-linenumber {
    color: var(--text-dim) !important;
}

/* Preview Panel */
.editor-preview,
.preview-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-medium);
    min-width: 0;
}

.preview-header,
.preview-toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-medium);
}

.preview-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.preview-device-switcher {
    display: flex;
    gap: var(--space-1);
    margin-left: auto;
    background: var(--bg-medium);
    padding: var(--space-1);
    border-radius: 8px;
}

.preview-device,
.device-btn {
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-dim);
    cursor: pointer;
    transition: all var(--transition);
    font-size: var(--text-sm);
}

.preview-device:hover,
.device-btn:hover {
    color: var(--text-secondary);
}

.preview-device.active,
.device-btn.active {
    background: var(--bg-light);
    color: var(--text-primary);
}

.sample-data-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-2) var(--space-3);
    border-radius: 6px;
}

.sample-data-toggle:hover {
    background: var(--bg-light);
}

.sample-data-toggle input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent-primary);
}

.btn-refresh {
    padding: var(--space-2) var(--space-3);
    background: var(--bg-light);
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-refresh:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.preview-frame {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: var(--space-6);
    overflow: auto;
    background:
        radial-gradient(circle at 50% 0%, var(--bg-light) 0%, var(--bg-darkest) 100%);
}

.preview-content {
    width: 100%;
    max-width: 600px;
    background: var(--bg-dark);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.preview-content.mobile {
    max-width: 375px;
}

.preview-frame iframe {
    width: 100%;
    max-width: 600px;
    height: 100%;
    background: #ffffff;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.preview-frame[data-device="mobile"] iframe {
    max-width: 375px;
}

.preview-errors {
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--error);
    background: var(--error-dim);
    border-top: 1px solid var(--error);
    display: none;
}

.preview-errors:not(:empty) {
    display: block;
}

/* --------------------------------------------------------------------------
   Editor Layout (old style with sidebar)
   -------------------------------------------------------------------------- */
.editor-layout {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

.editor-pane {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.editor-header {
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-medium);
    background: var(--bg-dark);
}

.editor-actions {
    display: flex;
    gap: var(--space-2);
}

.editor-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Input styles */
.draft-name-input,
.puller-name-input {
    font-family: var(--font-sans);
    font-size: var(--text-lg);
    font-weight: 500;
    background: transparent;
    border: 1px solid transparent;
    padding: var(--space-2) var(--space-3);
    color: var(--text-primary);
    border-radius: 8px;
    max-width: 400px;
}

.draft-name-input:hover,
.puller-name-input:hover {
    border-color: var(--border-medium);
}

.draft-name-input:focus,
.puller-name-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-medium);
}

/* --------------------------------------------------------------------------
   List Pages
   -------------------------------------------------------------------------- */
.list-page {
    padding: var(--space-6);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.page-header h2 {
    font-size: var(--text-xl);
    font-weight: 600;
}

.list-container {
    margin-top: var(--space-5);
}

.list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-5);
}

.list-item {
    background: var(--bg-dark);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.list-item:hover {
    border-color: var(--accent-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.list-item-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.list-item-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.list-item-meta {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.list-item-preview {
    height: 120px;
    background: var(--bg-medium);
    border-radius: var(--radius-lg);
    margin-top: var(--space-4);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: var(--text-sm);
}

.loading {
    color: var(--text-muted);
    font-style: italic;
    padding: var(--space-8);
    text-align: center;
}

/* --------------------------------------------------------------------------
   Dashboard
   -------------------------------------------------------------------------- */
.dashboard {
    padding: var(--space-6);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: var(--bg-dark);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--border-strong);
}

.stat-card h3 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-3);
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.card-link {
    font-size: var(--text-sm);
    color: var(--accent-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
}

.card-link:hover {
    color: var(--accent-light);
}

.quick-actions {
    margin-top: var(--space-8);
}

.quick-actions h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.action-buttons {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Puller Builder Layout
   -------------------------------------------------------------------------- */
.puller-builder-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
    height: calc(100vh - var(--header-height));
}

.puller-builder-layout.full-page {
    height: calc(100vh - 120px);
}

.puller-editor-page .page-header {
    padding: var(--space-4) var(--space-5);
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-medium);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.visible {
    display: flex;
}

.modal-content {
    background: var(--bg-dark);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-content.ai-modal {
    max-width: 500px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-medium);
}

.modal-header h3 {
    font-size: var(--text-lg);
    font-weight: 600;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    flex: 1;
    padding: var(--space-5);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-medium);
}

/* AI Chat */
.ai-chat {
    margin-bottom: var(--space-5);
    max-height: 300px;
    overflow-y: auto;
}

.ai-message {
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-3);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
}

.ai-message.system {
    background: var(--bg-medium);
    color: var(--text-secondary);
}

.ai-message.user {
    background: var(--accent-glow);
    color: var(--text-primary);
    margin-left: 20%;
}

.ai-message.assistant {
    background: var(--bg-medium);
    color: var(--text-primary);
    margin-right: 20%;
}

.ai-input-area {
    display: flex;
    gap: var(--space-3);
}

.ai-input-area textarea {
    flex: 1;
    resize: none;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-medium);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
}

.ai-input-area textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* AI Icon */
.ai-icon {
    font-weight: 700;
    font-size: var(--text-xs);
}

/* --------------------------------------------------------------------------
   Form Elements
   -------------------------------------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--text-primary);
    background: var(--bg-medium);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    transition: all var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Form Page (new draft, etc.)
   -------------------------------------------------------------------------- */
.form-page {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-8);
}

.form-page h2 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.hidden {
    display: none !important;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* HTMX Loading States */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    padding: var(--space-4) var(--space-5);
    background: var(--bg-light);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: slide-in 0.3s ease;
}

.toast.success {
    border-color: var(--success);
    background: var(--success-dim);
}

.toast.error {
    border-color: var(--error);
    background: var(--error-dim);
}

@keyframes slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* --------------------------------------------------------------------------
   Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-strong);
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
    .preview-pane,
    .editor-preview {
        min-width: 350px;
    }

    .tool-palette,
    .sidebar {
        width: 260px;
    }

    .info-panel,
    .properties-panel {
        width: 280px;
    }
}

@media (max-width: 1024px) {
    :root {
        --sidebar-width: 260px;
        --panel-width: 280px;
    }
}