/* Chat Builder - Claymorphism theme variables (chastnbot reference-aligned) */

:root {
    /* Colors - Light theme (HSL from design_guidelines) */
    --color-primary: hsl(250, 85%, 65%);
    --color-primary-foreground: hsl(0, 0%, 100%);
    --color-secondary: hsl(180, 40%, 90%);
    --color-accent: hsl(340, 85%, 65%);
    --color-bg-primary: hsl(210, 20%, 94%);
    --color-surface: hsl(210, 20%, 96%);
    --color-sidebar-bg: hsl(180, 40%, 90%);
    --color-text-primary: hsl(210, 20%, 20%);
    --color-text-secondary: hsl(210, 10%, 45%);
    --color-border: hsl(210, 10%, 80%);
    --color-muted: hsl(210, 10%, 85%);
    --color-message-sent: hsl(250, 42%, 40%);
    --color-message-received: hsl(210, 20%, 96%);
    --color-message-system-bg: hsl(210, 20%, 98%);
    --color-input-bg: hsl(210, 20%, 94%);
    /* Semantic colors (Module 01) */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-error: #EF4444;
    --color-online: #10B981;
    --color-offline: #94A3B8;
    /* Gradients */
    --gradient-surface: linear-gradient(145deg, hsl(210, 20%, 98%), hsl(210, 20%, 92%));
    --gradient-primary: linear-gradient(145deg, hsl(250, 85%, 60%), hsl(250, 85%, 70%));
    /* Focus / hover / avatar */
    --shadow-focus: 0 0 0 3px hsla(250, 85%, 65%, 0.35);
    --shadow-hover: 10px 10px 20px 0px rgba(163, 177, 198, 0.65), -10px -10px 20px 0px rgba(255, 255, 255, 0.85);
    --shadow-avatar: 4px 4px 8px 0px rgba(163, 177, 198, 0.5), -4px -4px 8px 0px rgba(255, 255, 255, 0.6);
    --glow-primary: 0 0 20px hsla(250, 85%, 65%, 0.3);
    --glow-success: 0 0 20px hsla(160, 84%, 39%, 0.3);
    --glow-error: 0 0 20px hsla(0, 84%, 60%, 0.3);

    /* Card shadow (convex + inset) - light */
    --shadow-clay-card:
        8px 8px 16px 0px rgba(163, 177, 198, 0.6),
        -8px -8px 16px 0px rgba(255, 255, 255, 0.8),
        inset 2px 2px 4px 0px rgba(255, 255, 255, 0.5),
        inset -2px -2px 4px 0px rgba(163, 177, 198, 0.2);

    /* Softer shadow for large panels (e.g. chat room) - reduces glow in light mode */
    --shadow-clay-panel:
        4px 4px 12px 0px rgba(163, 177, 198, 0.28),
        -4px -4px 12px 0px rgba(255, 255, 255, 0.45),
        inset 1px 1px 2px 0px rgba(255, 255, 255, 0.4),
        inset -1px -1px 2px 0px rgba(163, 177, 198, 0.1);

    /* Pressed (inset only) - light */
    --shadow-clay-pressed:
        inset 6px 6px 12px 0px rgba(163, 177, 198, 0.6),
        inset -6px -6px 12px 0px rgba(255, 255, 255, 0.8);

    /* Input (inset) - light */
    --shadow-clay-input:
        inset 4px 4px 8px 0px rgba(0, 0, 0, 0.1),
        inset -4px -4px 8px 0px rgba(255, 255, 255, 0.5);

    /* Primary button (convex + inset highlight) */
    --shadow-clay-btn-primary:
        8px 8px 16px 0px rgba(0, 0, 0, 0.15),
        inset -2px -2px 4px 0px rgba(0, 0, 0, 0.2),
        inset 2px 2px 4px 0px rgba(255, 255, 255, 0.4);

    /* Legacy aliases */
    --shadow-clay-inset: var(--shadow-clay-input);

    /* Legacy / convex-only (for backward compatibility) */
    --shadow-clay-convex:
        8px 8px 16px 0px rgba(163, 177, 198, 0.6),
        -8px -8px 16px 0px rgba(255, 255, 255, 0.8);
    --shadow-clay-convex-strong:
        8px 8px 16px 0px rgba(163, 177, 198, 0.6),
        -8px -8px 16px 0px rgba(255, 255, 255, 0.8),
        inset 2px 2px 4px 0px rgba(255, 255, 255, 0.5),
        inset -2px -2px 4px 0px rgba(163, 177, 198, 0.2);
    --shadow-clay: var(--shadow-clay-card);

    /* Radii */
    --radius-base: 1.5rem;
    --radius-bubble: 1.2rem;
    --radius-input: 1.25rem;
    --radius-pill: 9999px;
    --radius-md: 1.25rem;
    --radius-lg: var(--radius-base);

    /* ========== Module 01 Design System ========== */
    /* Spacing (8px base) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    /* Radius scale */
    --radius-sm: 8px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-mono: "SF Mono", Monaco, Inconsolata, "Fira Code", monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    /* Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed: 72px;
    --header-height: 64px;
    --content-max-width: 1280px;
    --modal-sm: 400px;
    --modal-md: 560px;
    --modal-lg: 720px;
    --modal-xl: 900px;
    /* Task status (Module 01) */
    --status-pending: #F59E0B;
    --status-in-progress: #3B82F6;
    --status-completed: #10B981;
    --status-cancelled: #6B7280;
    --status-overdue: #EF4444;
    /* Priority */
    --priority-low: #6B7280;
    --priority-medium: #F59E0B;
    --priority-high: #F97316;
    --priority-urgent: #EF4444;
    /* Borders (aliases) */
    --border-default: var(--color-border);
    --border-focus: var(--color-primary);
    --border-error: var(--color-danger);
    /* Shadows (Module 01 aliases) */
    --shadow-clay-outer: 12px 12px 24px rgba(166, 180, 200, 0.4), -12px -12px 24px rgba(255, 255, 255, 0.8);
    --shadow-clay-inner: inset 1px 1px 2px rgba(255, 255, 255, 0.5), inset -1px -1px 2px rgba(166, 180, 200, 0.1);
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    /* Z-index: layering from bottom to top */
    --z-app-main: 100;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-sidebar-overlay: 400;
    --z-sidebar: 500;
    --z-sidebar-toggle: 510;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;
}

/* Dark mode: support both data-theme (current) and .dark (Module 01) */
[data-theme="dark"],
.dark {
    --color-primary: hsl(250, 85%, 70%);
    --color-primary-foreground: hsl(0, 0%, 100%);
    --color-secondary: hsl(220, 20%, 20%);
    --color-accent: hsl(340, 85%, 70%);
    --color-bg-primary: hsl(220, 20%, 12%);
    --color-surface: hsl(220, 20%, 16%);
    --color-sidebar-bg: hsl(220, 20%, 18%);
    --color-text-primary: hsl(220, 10%, 90%);
    --color-text-secondary: hsl(220, 10%, 60%);
    --color-border: hsl(220, 10%, 25%);
    --color-muted: hsl(220, 10%, 25%);
    --color-message-received: hsl(220, 20%, 16%);
    --color-message-system-bg: hsl(220, 20%, 20%);
    --color-input-bg: hsl(220, 20%, 12%);
    --color-message-sent: hsl(250, 85%, 70%);
    /* Semantic colors */
    --color-success: #34D399;
    --color-warning: #FBBF24;
    --color-danger: #F87171;
    --color-error: #F87171;
    --color-online: #34D399;
    --color-offline: #64748B;
    --gradient-surface: linear-gradient(145deg, hsl(220, 20%, 18%), hsl(220, 20%, 14%));
    --gradient-primary: linear-gradient(145deg, hsl(250, 85%, 65%), hsl(250, 85%, 75%));
    --shadow-focus: 0 0 0 3px hsla(250, 85%, 70%, 0.4);
    --shadow-hover: 10px 10px 20px 0px rgba(0, 0, 0, 0.45), -4px -4px 12px 0px rgba(255, 255, 255, 0.06);
    --shadow-avatar: 4px 4px 8px 0px rgba(0, 0, 0, 0.5), -2px -2px 6px 0px rgba(255, 255, 255, 0.05);
    --glow-primary: 0 0 20px hsla(250, 85%, 70%, 0.25);
    --glow-success: 0 0 20px hsla(160, 84%, 51%, 0.25);
    --glow-error: 0 0 20px hsla(0, 84%, 67%, 0.25);

    /* Card shadow - dark */
    --shadow-clay-card:
        8px 8px 16px 0px rgba(0, 0, 0, 0.4),
        -4px -4px 12px 0px rgba(255, 255, 255, 0.05),
        inset 2px 2px 4px 0px rgba(255, 255, 255, 0.05),
        inset -2px -2px 4px 0px rgba(0, 0, 0, 0.4);

    /* Panel uses same as card in dark (no extra glow issue) */
    --shadow-clay-panel: var(--shadow-clay-card);

    /* Pressed - dark */
    --shadow-clay-pressed:
        inset 6px 6px 12px 0px rgba(0, 0, 0, 0.6),
        inset -6px -6px 12px 0px rgba(255, 255, 255, 0.05);

    /* Input - dark */
    --shadow-clay-input:
        inset 4px 4px 8px 0px rgba(0, 0, 0, 0.4),
        inset -4px -4px 8px 0px rgba(255, 255, 255, 0.05);

    --shadow-clay-inset: var(--shadow-clay-input);

    --shadow-clay-convex:
        8px 8px 16px 0px rgba(0, 0, 0, 0.4),
        -4px -4px 12px 0px rgba(255, 255, 255, 0.05);
    --shadow-clay-convex-strong:
        8px 8px 16px 0px rgba(0, 0, 0, 0.4),
        -4px -4px 12px 0px rgba(255, 255, 255, 0.05),
        inset 2px 2px 4px 0px rgba(255, 255, 255, 0.05),
        inset -2px -2px 4px 0px rgba(0, 0, 0, 0.4);
    --shadow-clay: var(--shadow-clay-card);
}