/* 
 * NEXEA Master Design System
 * Identity: Deep Teal Corporate (Dark Mode) & Clean Reader (Light Mode)
 * Typography: Playfair Display (Serif) & Source Sans 3 (Sans-Serif)
 */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600;1,700&family=Source+Sans+3:ital,wght@0,300;0,400;0,600;0,700;0,900;1,400;1,600&display=swap');

:root {
    /* --- Brand Colors (From colors.json) --- */
    --brand-primary: #002927;
    /* Deep Teal */
    --brand-secondary: #00FFDD;
    /* Neon Cyan Accent */
    --brand-accent: #1E73BE;
    /* Blue Accent */

    /* --- Backgrounds --- */
    --bg-dark-deep: #000E13;
    /* Main Corporate Background */
    --bg-light-paper: #FFFFFF;
    /* Reader Content Background */
    --bg-sidebar: #002927;
    /* Sidebar Background */

    /* --- Text Colors --- */
    --text-white: #FFFFFF;
    --text-dark-primary: #0F4240;
    /* Deep Teal Text for Light Pages */
    --text-dark-secondary: #4A5568;
    /* Grey Text for Body */

    /* --- Design Tokens --- */
    --radius-sm: 4px;
    --radius-md: 10px;
    /* Standard Button/Card Radius */
    --shadow-subtle: 0 4px 6px rgba(0, 0, 0, 0.1);

    /* --- Spacing --- */
    --spacing-page-pad: 72px;
    --width-sidebar: 320px;
    --width-content-max: 800px;
}

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

body {
    font-family: 'Source Sans 3', sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

a {
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
}

/* --- Typography System --- */
h1,
.h1-style {
    font-family: 'Playfair Display', serif;
    font-weight: 500;
}

h2,
.h2-style {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 900;
}

h3,
.h3-style {
    font-family: 'Playfair Display', serif;
    font-weight: 400;
}

/* --- UI Components --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
}