:root {
    /* User-defined CSS variables (Light Theme - Sleek Premium) */
    --background: #EEF4F8;
    --sidebar: rgba(255, 255, 255, 0.82);
    --card: rgba(255, 255, 255, 0.78);
    --glass-overlay: rgba(15, 23, 42, 0.03);
    --border: rgba(40, 55, 78, 0.14);
    --primary: #14B8A6;
    --secondary-accent: #6D5DF6;
    
    --ring: #14B8A6;
    --input: rgba(255, 255, 255, 0.72);
    --muted: #E9F0F6;
    --accent: #E0F7FA;
    --radius: 0.75rem;
    --chart-1: #00B8D4;
    --chart-2: #7C3AED;
    --chart-3: #22C55E;
    --chart-4: #F59E0B;
    --chart-5: #EF4444;
    --popover: #FFFFFF;
    
    --spacing: 0.25rem;
    --font-mono: 'JetBrains Mono', monospace;
    --font-sans: 'Inter', 'Poppins', sans-serif;
    --secondary: #F1F5F9;
    --font-serif: sans-serif;
    --foreground: #0F172A;
    --destructive: #EF4444;
    --shadow-blur: 16px;
    --shadow-color: rgba(23, 37, 84, 0.12);
    --sidebar-ring: #14B8A6;
    --shadow-spread: 0px;
    --letter-spacing: 0;
    --shadow-opacity: 0.05;
    --sidebar-accent: #F1F5F9;
    --sidebar-border: rgba(15, 23, 42, 0.06);
    --card-foreground: #0F172A;
    --shadow-offset-x: 0px;
    --shadow-offset-y: 8px;
    --sidebar-primary: #14B8A6;
    --muted-foreground: #64748B;
    --accent-foreground: #0F172A;
    --popover-foreground: #0F172A;
    --primary-foreground: #FFFFFF;
    --sidebar-foreground: #475569;
    --secondary-foreground: #475569;
    --destructive-foreground: #ffffff;
    --sidebar-accent-foreground: #00B8D4;
    --sidebar-primary-foreground: #ffffff;

    /* Theme mappings for the premium app structure */
    --bg-main: var(--background);
    --bg-card: var(--card);
    --bg-input: var(--input);
    --accent-color: var(--primary);
    --accent-hover: #0F9F93;
    --accent-soft: rgba(20, 184, 166, 0.14);

    /* Retain --accent name for layout compatibility */
    --accent: var(--primary);

    --text-primary: var(--foreground);
    --text-secondary: var(--secondary-foreground);
    --text-muted: var(--muted-foreground);

    --border-color: var(--border);
    --border-hover: rgba(20, 184, 166, 0.36);

    --success: #22C55E;
    --error: var(--destructive);
    --warning: #F59E0B;

    --font-sans: 'Inter', 'Poppins', sans-serif;
    --font-mono: 'Fira Code', 'JetBrains Mono', monospace;

    --shadow-sm: 0 10px 24px rgba(23, 37, 84, 0.08);
    --shadow-md: 0 16px 42px rgba(23, 37, 84, 0.12), 0 2px 0 rgba(255, 255, 255, 0.65) inset;
    --shadow-lg: 0 24px 70px rgba(23, 37, 84, 0.16), 0 1px 0 rgba(255, 255, 255, 0.72) inset;
    --shadow-3d: 0 26px 60px rgba(23, 37, 84, 0.18), 0 10px 22px rgba(20, 184, 166, 0.08), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
    --surface-highlight: rgba(255, 255, 255, 0.68);
    --surface-shadow: rgba(23, 37, 84, 0.14);
    --warm-accent: #F59E0B;
}

/* Explicit class selector for toggle/state support */
.dark {
    --background: #090D18;
    --sidebar: rgba(12, 18, 32, 0.86);
    --card: rgba(18, 27, 44, 0.78);
    --glass-overlay: rgba(255, 255, 255, 0.055);
    --border: rgba(170, 186, 214, 0.13);
    --primary: #2DD4BF;
    --secondary-accent: #8B5CF6;
    --ring: #2DD4BF;
    --input: rgba(7, 12, 23, 0.66);
    --muted: #101827;
    --accent: rgba(45, 212, 191, 0.11);
    --popover: rgba(18, 27, 44, 0.94);
    --secondary: rgba(31, 42, 62, 0.88);
    --foreground: #F8FAFC;
    --destructive: #EF4444;
    --sidebar-ring: #2DD4BF;
    --sidebar-accent: rgba(45, 212, 191, 0.09);
    --sidebar-border: rgba(170, 186, 214, 0.12);
    --card-foreground: #F8FAFC;
    --sidebar-primary: #2DD4BF;
    --muted-foreground: #94A3B8;
    --accent-foreground: #F8FAFC;
    --popover-foreground: #F8FAFC;
    --primary-foreground: #0B1120;
    --sidebar-foreground: #94A3B8;
    --secondary-foreground: #94A3B8;
    --destructive-foreground: #ffffff;
    --sidebar-accent-foreground: #00E5FF;
    --sidebar-primary-foreground: #0B1120;
    --accent-soft: rgba(45, 212, 191, 0.16);
    --accent-hover: #5EEAD4;
    --shadow-sm: 0 12px 30px rgba(0, 0, 0, 0.28);
    --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.34), 0 1px 0 rgba(255, 255, 255, 0.05) inset;
    --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.42), 0 1px 0 rgba(255, 255, 255, 0.08) inset;
    --shadow-3d: 0 30px 85px rgba(0, 0, 0, 0.46), 0 10px 28px rgba(45, 212, 191, 0.10), 0 1px 0 rgba(255, 255, 255, 0.08) inset;
    --surface-highlight: rgba(255, 255, 255, 0.08);
    --surface-shadow: rgba(0, 0, 0, 0.42);
    --warm-accent: #FBBF24;
}

@theme inline {
    --color-card: var(--card);
    --color-ring: var(--ring);
    --color-input: var(--input);
    --color-muted: var(--muted);
    --color-accent: var(--accent);
    --color-border: var(--border);
    --color-radius: var(--radius);
    --color-chart-1: var(--chart-1);
    --color-chart-2: var(--chart-2);
    --color-chart-3: var(--chart-3);
    --color-chart-4: var(--chart-4);
    --color-chart-5: var(--chart-5);
    --color-popover: var(--popover);
    --color-primary: var(--primary);
    --color-sidebar: var(--sidebar);
    --color-spacing: var(--spacing);
    --color-font-mono: var(--font-mono);
    --color-font-sans: var(--font-sans);
    --color-secondary: var(--secondary);
    --color-background: var(--background);
    --color-font-serif: var(--font-serif);
    --color-foreground: var(--foreground);
    --color-destructive: var(--destructive);
    --color-shadow-blur: var(--shadow-blur);
    --color-shadow-color: var(--shadow-color);
    --color-sidebar-ring: var(--sidebar-ring);
    --color-shadow-spread: var(--shadow-spread);
    --color-letter-spacing: var(--letter-spacing);
    --color-shadow-opacity: var(--shadow-opacity);
    --color-sidebar-accent: var(--sidebar-accent);
    --color-sidebar-border: var(--sidebar-border);
    --color-card-foreground: var(--card-foreground);
    --color-shadow-offset-x: var(--shadow-offset-x);
    --color-shadow-offset-y: var(--shadow-offset-y);
    --color-sidebar-primary: var(--sidebar-primary);
    --color-muted-foreground: var(--muted-foreground);
    --color-accent-foreground: var(--accent-foreground);
    --color-popover-foreground: var(--popover-foreground);
    --color-primary-foreground: var(--primary-foreground);
    --color-sidebar-foreground: var(--sidebar-foreground);
    --color-secondary-foreground: var(--secondary-foreground);
    --color-destructive-foreground: var(--destructive-foreground);
    --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
    --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    background-image:
        linear-gradient(135deg, rgba(20, 184, 166, 0.08), transparent 28%),
        linear-gradient(315deg, rgba(109, 93, 246, 0.10), transparent 30%),
        linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
    background-size: auto, auto, 44px 44px, 44px 44px;
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

.dark body {
    background-image:
        linear-gradient(135deg, rgba(45, 212, 191, 0.11), transparent 30%),
        linear-gradient(315deg, rgba(139, 92, 246, 0.12), transparent 32%),
        linear-gradient(rgba(148, 163, 184, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.045) 1px, transparent 1px);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        linear-gradient(115deg, transparent 0 16%, rgba(255, 255, 255, 0.12) 22%, transparent 31%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent 34%);
    opacity: 0.42;
    transform: translateZ(0);
}

.dark body::before {
    background:
        linear-gradient(115deg, transparent 0 16%, rgba(255, 255, 255, 0.055) 22%, transparent 31%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 34%);
    opacity: 0.55;
}

/* Sidebar Layout */
.sidebar {
    width: 260px;
    height: 100vh;
    background:
        linear-gradient(180deg, var(--surface-highlight), transparent 34%),
        var(--sidebar);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    padding: 1.5rem;
    box-shadow: 18px 0 46px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(22px) saturate(130%);
    -webkit-backdrop-filter: blur(22px) saturate(130%);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    margin-bottom: 2.5rem;
    border-radius: 0.85rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.sidebar-menu {
    list-style: none;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 0.5rem;
    min-height: 0; /* Ensures proper shrinking in nested flex layout */
}

/* Custom Scrollbar for Sidebar Menu */
.sidebar-menu::-webkit-scrollbar {
    width: 6px;
}

.sidebar-menu::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-menu::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 3px;
}

.sidebar-menu::-webkit-scrollbar-thumb:hover {
    background-color: var(--primary);
}

.menu-item {
    margin-bottom: 0.5rem;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--sidebar-foreground);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.65rem;
    border: 1px solid transparent;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.menu-link:hover {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.08), transparent),
        var(--sidebar-accent);
    color: var(--sidebar-accent-foreground);
    border-color: var(--sidebar-border);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
    transform: translateX(3px);
}

.menu-link.active {
    background:
        linear-gradient(135deg, rgba(45, 212, 191, 0.22), rgba(139, 92, 246, 0.10)),
        var(--sidebar-accent);
    color: var(--sidebar-accent-foreground);
    font-weight: 600;
    border-color: color-mix(in srgb, var(--primary) 34%, transparent);
    box-shadow: 0 14px 32px rgba(20, 184, 166, 0.16), 0 1px 0 var(--surface-highlight) inset;
}

/* Sidebar Collapsible Submenu styles */
.menu-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 0.5rem;
}

.menu-group-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--sidebar-foreground);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.65rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.menu-group-header:hover {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.08), transparent),
        var(--sidebar-accent);
    color: var(--sidebar-accent-foreground);
    border-color: var(--sidebar-border);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
    transform: translateX(3px);
}

.menu-group-header .chevron-icon {
    margin-left: auto;
    width: 16px;
    height: 16px;
    transition: transform 0.2s;
}

.menu-group.collapsed .menu-group-items {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    border-left-color: transparent;
}

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

.menu-group-items {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-left: 1rem;
    margin-top: 0.25rem;
    border-left: 1.5px solid var(--sidebar-border);
    margin-left: 1.35rem;
    transition: max-height 0.25s ease-out, opacity 0.2s ease-out, margin-top 0.2s ease-out;
    max-height: 120px;
    opacity: 1;
}

.sub-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
}

/* Main Content Layout */
.main-layout {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    position: relative;
    min-width: 0;
}

.top-header {
    height: 64px;
    background:
        linear-gradient(135deg, var(--surface-highlight), transparent 44%),
        var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.10);
    backdrop-filter: blur(18px) saturate(135%);
    -webkit-backdrop-filter: blur(18px) saturate(135%);
}

.container {
    max-width: 100%;
    margin: 0;
    padding: 2rem;
    position: relative;
}

.container.wide {
    max-width: 100%;
}

/* Header Section */
header {
    margin-bottom: 3.5rem;
    text-align: left;
}

header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: 0;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
}

.nav-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.65rem;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
    border: 1px solid transparent;
    gap: 0.5rem;
    text-decoration: none;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.10), 0 1px 0 rgba(255, 255, 255, 0.16) inset;
}

.btn-primary {
    background:
        linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--secondary-accent) 42%, var(--primary))),
        var(--primary);
    color: var(--primary-foreground);
    border-radius: 0.5rem;
    transition: transform 0.1s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn-primary:hover {
    background:
        linear-gradient(135deg, var(--accent-hover), color-mix(in srgb, var(--secondary-accent) 48%, var(--accent-hover))),
        var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(20, 184, 166, 0.28), 0 1px 0 rgba(255, 255, 255, 0.24) inset;
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 4px rgba(0, 229, 255, 0.2);
}

.btn-secondary {
    background:
        linear-gradient(135deg, var(--surface-highlight), transparent),
        var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border);
    transition: transform 0.1s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn-secondary:hover {
    background:
        linear-gradient(135deg, rgba(45, 212, 191, 0.12), transparent),
        var(--bg-input);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 14px 26px rgba(0, 0, 0, 0.14);
}

.btn-secondary:active {
    transform: translateY(1px);
}

/* Cards & Forms */
.card {
    background:
        linear-gradient(145deg, var(--surface-highlight), transparent 38%),
        var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.9rem;
    padding: 2rem;
    box-shadow: var(--shadow-3d);
    backdrop-filter: blur(18px) saturate(130%);
    -webkit-backdrop-filter: blur(18px) saturate(130%);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.card:hover {
    box-shadow: 0 30px 90px var(--surface-shadow), 0 14px 34px rgba(20, 184, 166, 0.14), 0 1px 0 var(--surface-highlight) inset;
    border-color: color-mix(in srgb, var(--primary) 48%, var(--border));
    transform: translateY(-4px);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.col-span-2 {
    grid-column: span 2;
}

label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input,
textarea,
select {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
        var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 0.65rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
    box-shadow: 0 1px 0 var(--surface-highlight) inset, 0 8px 18px rgba(0, 0, 0, 0.05);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--accent-soft), 0 14px 26px rgba(20, 184, 166, 0.10);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

textarea.code-area {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Record Card Specifics */
.record-card {
    background:
        linear-gradient(145deg, var(--surface-highlight), transparent 36%),
        var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.9rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px) saturate(125%);
    -webkit-backdrop-filter: blur(16px) saturate(125%);
    transform-style: preserve-3d;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.record-card:hover {
    box-shadow: 0 24px 70px var(--surface-shadow), 0 10px 28px rgba(20, 184, 166, 0.13);
    border-color: color-mix(in srgb, var(--primary) 50%, var(--border));
    transform: translateY(-4px);
}

.record-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.badge {
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-id {
    background: var(--border);
    color: var(--text-muted);
}

.badge-type {
    background: var(--accent-soft);
    color: var(--accent-foreground);
}

.record-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.record-actions {
    margin-left: auto;
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    padding: 0.5rem;
    border-radius: 0.6rem;
    background: color-mix(in srgb, var(--bg-input) 78%, transparent);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon:hover {
    color: var(--text-primary);
    background: color-mix(in srgb, var(--primary) 12%, var(--bg-input));
    border-color: var(--border-hover);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
    transform: translateY(-2px);
}

.btn-icon.delete:hover {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.record-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2rem;
}

.data-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.data-value {
    color: var(--text-primary);
    font-weight: 500;
}

code.calling {
    background: var(--bg-input);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: var(--font-mono);
    color: var(--accent-foreground);
    font-size: 0.875rem;
}

/* Expandable Content */
.expand-section {
    margin-top: 1.5rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

summary {
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    user-select: none;
    outline: none;
}

.code-block {
    margin-top: 1rem;
    background: #000;
    border-radius: 0.75rem;
    padding: 1.25rem;
    overflow-x: auto;
    border: 1px solid var(--border);
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    color: #e2e8f0;
}

.json-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.json-preview pre {
    background: #000;
    padding: 1rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    border: 1px solid var(--border);
    color: #94a3b8;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1200;
    padding: 1.5rem;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
}

/* Toasts */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-error {
    border-left: 4px solid var(--error);
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
        padding: 1.5rem 0.75rem;
    }

    .sidebar-logo .logo-text,
    .menu-link span {
        display: none;
    }

    .main-layout {
        margin-left: 80px;
    }

    .menu-link {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .sidebar {
        display: none;
    }

    .main-layout {
        margin-left: 0;
    }

    .form-grid,
    .record-body,
    .json-preview {
        grid-template-columns: 1fr;
    }

    .col-span-2 {
        grid-column: span 1;
    }
}


/* Dynamic Key-Value Editor */
.kv-container {
    background:
        linear-gradient(145deg, rgba(255,255,255,0.05), transparent),
        var(--bg-main);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-top: 0.5rem;
}

.kv-header {
    display: grid;
    grid-template-columns: 1fr 1fr 120px;
    gap: 1rem;
    margin-bottom: 0.5rem;
    padding: 0 0.5rem;
}

.kv-header span {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}

.kv-row {
    display: grid;
    grid-template-columns: 1fr 1fr 120px;
    gap: 1rem;
    margin-bottom: 0.75rem;
    background:
        linear-gradient(145deg, var(--surface-highlight), transparent),
        var(--bg-card);
    padding: 0.5rem;
    border-radius: 0.5rem;
    border: 1px solid transparent;
    transition: all 0.2s;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
}

.kv-row:hover {
    border-color: var(--border-hover);
}

.kv-row input {
    background: var(--bg-input) !important;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
}

.kv-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.btn-kv {
    padding: 0.4rem;
    border-radius: 0.375rem;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: opacity 0.2s;
}

.btn-kv:hover {
    opacity: 0.8;
}

.btn-kv.del {
    background: #334155;
}

.btn-kv.up {
    background: #22c55e;
}

.btn-kv.down {
    background: #ef4444;
}

.btn-add-kv {
    margin-top: 1rem;
    background: var(--primary);
    color: var(--primary-foreground);
    border: none;
    padding: 0.6rem 1rem;
    border-radius: 0.5rem;
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s;
}

.btn-add-kv:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Theme Toggle Icon visibility based on active theme */
#theme-toggle-light-icon {
    display: none !important;
}

#theme-toggle-dark-icon {
    display: block !important;
}

.dark #theme-toggle-light-icon {
    display: block !important;
}

.dark #theme-toggle-dark-icon {
    display: none !important;
}


/* ==========================================
   Split Layout Form Custom Styles
   ========================================== */

/* Prevent page-level scrollbars when on the Add/Edit form screen */
body:has(#recordForm) {
    overflow: hidden !important;
}

body:has(#recordForm) .main-layout {
    height: 100vh;
    overflow: hidden;
}

body:has(#recordForm) .container {
    height: calc(100vh - 64px);
    padding: 1.25rem 2rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-sizing: border-box;
}

body:has(#recordForm) header {
    margin-bottom: 0.75rem !important;
}

body:has(#recordForm) header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

body:has(#recordForm) header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Split layout containers */
.form-container-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    flex: 1;
    min-height: 0;
    align-items: stretch;
}

.form-panel-left,
.form-panel-right {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    box-sizing: border-box;
}

.form-panel-left {
    overflow-y: auto;
    gap: 1.25rem;
}

/* Scrollbar styling for the Left Panel configuration */
.form-panel-left::-webkit-scrollbar {
    width: 6px;
}

.form-panel-left::-webkit-scrollbar-track {
    background: transparent;
}

.form-panel-left::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 3px;
}

/* Compact headers inside form panels */
.panel-section-title {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.375rem;
    margin-bottom: 0.75rem;
}

/* Compact form grid */
.form-grid-compact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem 1rem;
}

.form-grid-compact .form-group {
    gap: 0.25rem;
}

.form-grid-compact label {
    font-size: 0.75rem;
    font-weight: 600;
}

.form-grid-compact input {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
}

/* Compact Parameters section */
.parameters-section {
    display: flex;
    flex-direction: column;
}

.parameters-section .kv-container {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    margin-top: 0.25rem;
}

.old-parameter-select-row {
    margin-bottom: 0.75rem;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    background: var(--bg-card);
    padding: 0.4rem 0.6rem;
    border-radius: 0.5rem;
    border: 1px dashed var(--border);
}

.old-parameter-select-row .small-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.old-parameter-select-row select {
    flex: 1;
    padding: 0.35rem 0.5rem;
    font-size: 0.8125rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
}

.kv-rows-scroll {
    overflow-y: auto;
    max-height: auto;
    min-height: 80px;
    padding-right: 0.25rem;
    margin-bottom: 0.5rem;
}

.kv-rows-scroll::-webkit-scrollbar {
    width: 6px;
}

.kv-rows-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.kv-rows-scroll::-webkit-scrollbar-thumb {
    background-color: var(--border);
    border-radius: 3px;
}

.kv-rows-scroll .kv-row {
    margin-bottom: 0.5rem;
    padding: 0.4rem;
}

.kv-rows-scroll .kv-row input {
    padding: 0.4rem 0.6rem;
    font-size: 0.8125rem;
}

.btn-add-kv {
    margin-top: 0.25rem;
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
}

/* Right Panel: Code area styling */
.code-editor-container {
    flex: 1;
    min-height: 0;
    margin-bottom: 0.75rem;
    display: flex;
}

.code-editor-textarea {
    flex: 1;
    width: 100%;
    height: 100%;
    resize: none !important;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
    padding: 0.75rem;
    box-sizing: border-box;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.04), transparent),
        var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-primary);
}

.profile-card,
.analytics-card,
.management-card,
.filter-card,
.premium-table-container,
.category-card,
.perm-module-card,
.glass-card,
.box-card,
.tables-title-panel,
.tables-picker-panel,
.tables-grid-panel {
    background:
        linear-gradient(145deg, var(--surface-highlight), transparent 38%),
        var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    border-radius: 0.9rem !important;
    box-shadow: var(--shadow-3d) !important;
    backdrop-filter: blur(18px) saturate(130%);
    -webkit-backdrop-filter: blur(18px) saturate(130%);
    transform-style: preserve-3d;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease !important;
}

.analytics-card:hover,
.management-card:hover,
.filter-card:hover,
.premium-table-container:hover,
.category-card:hover,
.perm-module-card:hover,
.glass-card:hover,
.box-card:hover,
.tables-title-panel:hover,
.tables-picker-panel:hover,
.tables-grid-panel:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--primary) 48%, var(--border)) !important;
    box-shadow: 0 30px 90px var(--surface-shadow), 0 14px 34px rgba(20, 184, 166, 0.14), 0 1px 0 var(--surface-highlight) inset !important;
}

.analytics-grid {
    perspective: 1200px;
}

.card-icon-wrapper,
.table-empty-icon,
.sidebar-logo > div,
.spinner-ring {
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.22), 0 1px 0 rgba(255, 255, 255, 0.28) inset !important;
}

.badge,
.badge-id,
.badge-type,
code.calling {
    border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--border));
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08), 0 1px 0 var(--surface-highlight) inset;
}

table.dataTable,
.table-scroll,
.code-block,
.json-preview pre,
.editor-container {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 16px 38px rgba(0, 0, 0, 0.18);
}

.nav-actions-sticky {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    border-top: 1px solid var(--border);
    padding-top: 0.75rem;
    margin-top: auto;
}

/* Responsive view */
@media (max-width: 1024px) {
    body:has(#recordForm) {
        overflow: auto !important;
    }

    body:has(#recordForm) .main-layout {
        height: auto;
        overflow: auto;
    }

    body:has(#recordForm) .container {
        height: auto;
        overflow: auto;
        padding: 2rem;
    }

    body:has(#recordForm) header {
        margin-bottom: 2rem !important;
    }

    .form-container-split {
        grid-template-columns: 1fr;
        height: auto;
        min-height: auto;
    }

    .form-panel-left,
    .form-panel-right {
        height: auto;
    }

    .code-editor-textarea {
        min-height: 250px;
        resize: vertical !important;
    }
}

/* Modal customizations for split-layout edit mode */
@media (min-width: 1025px) {
    .modal-content {
        max-width: 1200px !important;
        height: 80vh !important;
        display: flex;
        flex-direction: column;
        overflow: hidden !important;
        padding: 2rem !important;
    }

    #editForm.form-container-split {
        flex: 1;
        min-height: 0;
        height: 100%;
    }
}

/* Inline Code Editor */
.code-editor-inline {
    width: 100%;
    background: transparent;
    border: none;
    color: #e2e8f0;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    outline: none;
    resize: vertical;
    padding: 0;
    margin: 0;
}

/* UI Modernization and 3D Effects classes per skill.txt */
.glass-panel {
    background: var(--glass-overlay);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
}

.tilt-card {
}

.tilt-card:hover {
    box-shadow: 0 12px 24px rgba(0, 229, 255, 0.15);
    border-color: var(--primary);
}

.border-glow {
    position: relative;
    z-index: 1;
}

.border-glow::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary-accent) 100%);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.border-glow:hover::before {
    opacity: 0.3;
}

.btn-depth {
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn-depth:active {
    transform: translateY(2px) scale(0.98);
}

/* Enforce skill.txt 4 font sizes */
h1, .h1-size {
    font-size: 24px !important;
}

h2, h3, .body-large {
    font-size: 16px !important;
}

body, p, input, select, textarea, button, .body-normal {
    font-size: 14px !important;
}

.small-text, .badge, label, .data-label, span.small-label {
    font-size: 12px !important;
}

/* Mobile Responsive Overrides */
@media (max-width: 640px) {
    /* Prevent page-level horizontal overflow */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    /* Collapsible Navigation Drawer */
    .sidebar {
        display: flex !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        height: 100vh !important;
        width: 260px !important;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        z-index: 1100 !important;
    }

    body.sidebar-open .sidebar {
        transform: translateX(0) !important;
    }

    /* Dimmed backdrop overlay when sidebar is open */
    body.sidebar-open::after {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 1050;
        pointer-events: auto;
    }

    /* Main Layout adjustment */
    .main-layout {
        margin-left: 0 !important;
        width: 100% !important;
        max-width: 100vw !important;
    }

    .top-header {
        padding: 0 1rem !important;
    }

    .container {
        padding: 1rem !important;
    }

    /* Reduce card padding on mobile to maximize content space */
    .card, .profile-card, .analytics-card, .management-card, .premium-table-container, .box-card {
        padding: 1.25rem !important;
    }

    /* Prevent tables from overflowing the page width */
    .table-container, .premium-table-container, .table-scroll, .dataTables_wrapper {
        overflow-x: auto !important;
        max-width: 100% !important;
    }

    /* Hide username text, keeping only the avatar/initial */
    .user-name-text {
        display: none !important;
    }

    /* Hide Active EA select text label to save space */
    .header-ea-selector-container span {
        display: none !important;
    }

    .header-ea-selector {
        max-width: 110px !important;
        padding-right: 0.5rem !important;
    }

    /* Hide Ctrl+K search shortcut badge */
    .search-shortcut-badge {
        display: none !important;
    }

    /* Turn header search input into a compact button on mobile */
    .search-trigger-container {
        width: 36px !important;
        height: 36px !important;
        background: var(--bg-input) !important;
        border: 1px solid var(--border) !important;
        border-radius: 8px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        cursor: pointer !important;
    }

    .search-trigger-container input {
        display: none !important;
    }

    .search-trigger-container svg {
        position: static !important;
        transform: none !important;
        color: var(--text-secondary) !important;
    }

    /* Hide search placeholder text */
    .search-placeholder-text {
        display: none !important;
    }

    /* Header spacing adjustments */
    .header-right-side {
        gap: 0.5rem !important;
    }

    .header-user-bar {
        gap: 0.35rem !important;
        padding-left: 0.5rem !important;
    }

    /* Show hamburger toggle button */
    .mobile-menu-toggle {
        display: flex !important;
    }

    /* Flex / Grid layouts stacking */
    .form-grid,
    .record-body,
    .json-preview {
        grid-template-columns: 1fr !important;
    }

    .col-span-2 {
        grid-column: span 1 !important;
    }

    /* Compact variables/inputs dynamic row editors */
    .kv-header {
        display: none !important;
    }

    .kv-row {
        grid-template-columns: 1fr !important;
        gap: 0.5rem !important;
    }

    .kv-row input, .kv-row select {
        width: 100% !important;
    }

    .kv-actions {
        justify-content: flex-end;
        margin-top: 0.5rem;
    }

    /* Stack condition rows in conditions.html */
    .condition-row {
        grid-template-columns: 1fr !important;
        gap: 0.5rem !important;
        border: 1px solid var(--border) !important;
        padding: 0.75rem !important;
        border-radius: 0.5rem !important;
        background: rgba(255, 255, 255, 0.02) !important;
    }

    .condition-row-labels {
        display: none !important;
    }

    .operand-col {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .nested-container {
        margin-left: 0.75rem !important;
        padding-left: 0.5rem !important;
    }

    .children-container {
        margin-left: 0.5rem !important;
        padding-left: 0.5rem !important;
    }

    /* Stack location selects in create EA modal */
    .location-selects-grid {
        grid-template-columns: 1fr !important;
        gap: 0.5rem !important;
    }

    /* Glass card padding */
    .glass-card {
        padding: 1rem !important;
    }

    /* Dropdown wrapper in preview */
    .dropdown-trigger {
        padding: 0.8rem 1rem 0.8rem 2.5rem !important;
        font-size: 0.95rem !important;
    }

    .dropdown-trigger-icon {
        left: 0.8rem !important;
    }

    /* Prevent grid track expansion by setting min-width: 0 */
    .record-body > div {
        min-width: 0 !important;
        max-width: 100% !important;
    }

    /* Make the parent container of the info-sub-table scrollable (601px - 640px) */
    @media (min-width: 601px) {
        .record-body div:has(> table.info-sub-table) {
            overflow-x: auto !important;
            max-width: 100% !important;
            margin-bottom: 1rem;
        }

        table.info-sub-table {
            width: 100% !important;
            min-width: 480px !important;
        }

        table.info-sub-table td, table.info-sub-table th {
            white-space: normal !important;
            word-break: break-word !important;
        }
    }
}

/* Card layout view for sub-tables on screens < 600px */
@media (max-width: 600px) {
    /* Transform sub-tables into vertical card layout */
    table.info-sub-table {
        display: block !important;
        width: 100% !important;
        border: none !important;
    }

    table.info-sub-table thead {
        display: none !important; /* Hide header columns */
    }

    table.info-sub-table tbody,
    table.info-sub-table tr,
    table.info-sub-table td {
        display: block !important;
        width: 100% !important;
    }

    table.info-sub-table tr {
        background: rgba(255, 255, 255, 0.02) !important;
        border: 1px solid var(--border) !important;
        border-radius: 8px !important;
        padding: 0.75rem !important;
        margin-bottom: 0.75rem !important;
        box-shadow: var(--shadow-sm) !important;
    }

    table.info-sub-table td {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 0.5rem 0 !important;
        border: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.03) !important;
        text-align: right !important;
    }

    table.info-sub-table td:last-child {
        border-bottom: none !important;
    }

    /* Base pseudo label style */
    table.info-sub-table td::before {
        font-weight: 700 !important;
        color: var(--text-muted) !important;
        font-size: 0.7rem !important;
        text-transform: uppercase !important;
        letter-spacing: 0.05em !important;
        margin-right: 1rem !important;
        text-align: left !important;
        flex-shrink: 0 !important;
    }

    /* 4-column layout (Parameters / Inputs) */
    table.info-sub-table td:first-child:nth-last-child(4)::before { content: "Name"; }
    table.info-sub-table td:nth-child(2):nth-last-child(3)::before { content: "Type"; }
    table.info-sub-table td:nth-child(3):nth-last-child(2)::before { content: "Default"; }
    table.info-sub-table td:nth-child(4):nth-last-child(1)::before { content: "Allowed / Comment"; }

    /* 3-column layout (Global Variables) */
    table.info-sub-table td:first-child:nth-last-child(3)::before { content: "Name"; }
    table.info-sub-table td:nth-child(2):nth-last-child(2)::before { content: "Define Init"; }
    table.info-sub-table td:nth-child(3):nth-last-child(1)::before { content: "Default Value"; }

    /* 2-column layout (Functions Used) */
    table.info-sub-table td:first-child:nth-last-child(2)::before { content: "Table"; }
    table.info-sub-table td:nth-child(2):nth-last-child(1)::before { content: "Row ID"; }
}



/* Enforce skill.txt 4 font sizes */

/* Disable font ligatures in all code blocks, textareas, and pre/code elements to render standard C++ operators */
pre, 
code, 
textarea, 
.code-block, 
.code-area, 
.calling, 
.preview-code-value, 
.code-area-pre,
.preview-code,
.calling-signature,
[style*="font-family: 'Fira Code'"],
[style*="font-family:'Fira Code'"],
[style*="font-family: monospace"],
[style*="font-family:monospace"] {
    font-variant-ligatures: none !important;
    font-feature-settings: "calt" 0 !important;
}


/* Fix for select dropdown option visibility in dark mode */
select option {
    background-color: #181922 !important;
    color: #ffffff !important;
    padding: 10px 14px !important;
}
select option:checked,
select option:hover,
select option:focus,
select option:active {
    background-color: #00e5ff !important;
    color: #000000 !important;
    font-weight: 700 !important;
}
select.premium-input, select.premium-select, select {
    color: #ffffff !important;
    background-color: #181922 !important;
    line-height: 1.4 !important;
    box-sizing: border-box;
}
select.line-type-select {
    height: 44px !important;
    padding: 0.45rem 0.85rem !important;
    line-height: 1.4 !important;
    font-size: 14px !important;
}