@import url('https://fonts.googleapis.com/css2?family=Kufam:ital,wght@0,400..900;1,400..900&display=swap');

:root {
    --primary: #3cd1aa;
    --primary-hover: #2eb896;
    --success: #3cd1aa;
    --danger: #ef4444;
    --gray-25: #fcfdfe;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #94a3b8;
    --gray-600: #94a3b8;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #0f1419;

    /* Studio Tokens */
    --studio-bg: #1e252b;
    --studio-panel: rgba(46, 56, 65, 0.9);
    --studio-border: rgba(255, 255, 255, 0.1);
    --studio-text: #f8fafc;
    --studio-text-dim: #94a3b8;
    --white: #ffffff;

    /* Brand Identity */
    --brand-primary: #3cd1aa;
    --brand-dark: #2e3841;
    --brand-bg: #e2e2e2;
    --brand-surface: #ffffff;
    --brand-success: #3cd1aa;
    --brand-danger: #ef4444;
    --brand-warning: #f59e0b;

    /* Extended Palette */
    --color-purple: #8b5cf6;
    --color-purple-soft: rgba(139, 92, 246, 0.1);
    --color-gold: #f59e0b;
    --color-gold-soft: rgba(245, 158, 11, 0.1);
    --brand-primary-soft: rgba(60, 209, 170, 0.1);
    /* Standardized Radii (rem) */
    --radius-pill: 3.125rem;
    --radius-lg: 0.75rem;
    --radius-md: 0.5rem;
    --radius-sm: 0.25rem;

    /* Elevation & Shadows */
    --shadow-soft: 0 4px 12px rgba(60, 209, 170, 0.1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --radius: 0.6rem;
}

html {
    font-size: 14px; /* Base for rem units */
}

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

body {
    font-family: 'Kufam', 'Segoe UI', system-ui, sans-serif;
    background: var(--studio-bg);
    color: var(--studio-text);
    line-height: 1.6;
}

/* --- ICON SYSTEM STYLING --- */
[class^="ri-"], [class*=" ri-"] {
    vertical-align: middle;
    line-height: 1;
}

/* Toolbar & Large Buttons */
.tool-btn i {
    font-size: 1.4rem;
    color: var(--primary);
}

.mini-tool-btn i {
    font-size: 1.1rem;
}

.history-btn i {
    font-size: 1rem;
}

.btn i {
    font-size: 1rem;
    margin: 0 4px;
}

/* Sidebar & Settings Labels */
.settings-pad-label i {
    font-size: 0.9rem;
    margin-left: 4px; 
    color: var(--gray-500);
}

.element-icon i {
    font-size: 1.1rem;
    color: var(--primary);
}

/* Arrows */
.btn-toggle i {
    font-size: 0.8rem;
    color: var(--gray-400);
}