/* ── AI Think Tank — Shared Theme Tokens ── */

:root {
    /* Backgrounds */
    --bg-page:        #0f1117;
    --bg-surface:     #151821;
    --bg-raised:      #1a1d27;
    --bg-user-msg:    #1b2333;
    --bg-hover:       #222638;
    --bg-drag-over:   #2a2f45;
    --bg-error:       #2d1b1b;
    --bg-warn:        #2d2517;

    /* Borders */
    --border-default: #222;
    --border-muted:   #333;
    --border-error:   #5c2020;
    --border-warn:    #5c4a20;

    /* Text */
    --text-primary:   #e0e0e0;
    --text-secondary: #ccc;
    --text-muted:     #aaa;
    --text-dim:       #888;
    --text-faint:     #666;
    --text-very-faint:#555;

    /* Brand / accent */
    --accent-blue:    #4A90D9;
    --accent-purple:  #9B59B6;
    --accent-red:     #E74C3C;
    --accent-orange:  #E67E22;
    --accent-green:   #27AE60;
    --accent-green-bright: #2ECC71;
    --accent-teal:    #1ABC9C;
    --accent-yellow:  #F39C12;
    --accent-yellow-bright: #F5B041;
    --accent-sky:     #6cb4ee;
    --error-text:     #f08080;

    /* Interactive hover backgrounds */
    --green-hover-bg: #1a2e1f;
    --red-hover-bg:   #2d1b1b;
    --blue-hover-bg:  #1a2333;
    --orange-hover-bg:#2d2517;

    /* Scrollbar */
    --scrollbar-thumb:#333;

    /* Font size (controlled by A+/A- — only scales chat content) */
    --font-size-chat: 14px;
}

/* ── Light Theme ── */
[data-theme="light"] {
    --bg-page:        #f5f6fa;
    --bg-surface:     #ffffff;
    --bg-raised:      #f0f1f5;
    --bg-user-msg:    #e8f0fe;
    --bg-hover:       #e4e5ee;
    --bg-drag-over:   #d4d8e8;
    --bg-error:       #fde8e8;
    --bg-warn:        #fef3cd;

    --border-default: #d0d0d8;
    --border-muted:   #c0c0cc;
    --border-error:   #e57373;
    --border-warn:    #f59e0b;

    --text-primary:   #1a1a2e;
    --text-secondary: #333350;
    --text-muted:     #555570;
    --text-dim:       #666680;
    --text-faint:     #888899;
    --text-very-faint:#aaaabb;

    --error-text:     #c62828;

    --green-hover-bg: #e8f5e9;
    --red-hover-bg:   #fde8e8;
    --blue-hover-bg:  #e3f2fd;
    --orange-hover-bg:#fff3e0;

    --scrollbar-thumb:#c0c0cc;
}