/* ==========================================================================
   NODICA V2 - DESIGN SYSTEM: CYBER-CRIMSON NOIR
   Token Architecture (Primitive -> Semantic -> Component)
   ========================================================================== */

:root {
    /* --- Primitive Palette: Obsidian Noir & Deep Grays --- */
    --noir-950: #050507;
    --noir-900: #09090B;
    --noir-850: #0E0E12;
    --noir-800: #14141A;
    --noir-750: #1A1A24;
    --noir-700: #242432;
    --noir-600: #323245;
    --noir-500: #4B4B63;

    /* --- Primitive Palette: Crimson & Neon Red Laser --- */
    --crimson-300: #FFA5B4;
    --crimson-400: #FF4D6D;
    --crimson-500: #FF1E42;
    --crimson-600: #E11D48;
    --crimson-700: #BE123C;
    --crimson-800: #9F1239;
    --crimson-900: #4C0519;

    /* --- Primitive Palette: Light / Neutral --- */
    --pure-white: #FFFFFF;
    --gray-100: #F8FAFC;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;

    /* --- Semantic Colors --- */
    --bg-base: var(--noir-900);
    --bg-surface: var(--noir-850);
    --bg-elevated: var(--noir-800);
    --bg-card: rgba(20, 20, 26, 0.75);
    --bg-card-hover: rgba(26, 26, 36, 0.9);
    --bg-glass: rgba(14, 14, 18, 0.7);

    --text-primary: var(--pure-white);
    --text-secondary: var(--gray-200);
    --text-muted: var(--gray-400);
    --text-accent: var(--crimson-400);

    --primary: var(--crimson-500);
    --primary-hover: var(--crimson-600);
    --primary-active: var(--crimson-700);
    --primary-glow: rgba(255, 30, 66, 0.4);
    --primary-glow-subtle: rgba(255, 30, 66, 0.15);

    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-card: rgba(255, 30, 66, 0.18);
    --border-hover: rgba(255, 30, 66, 0.5);
    --border-focus: var(--crimson-500);

    /* --- Typography Scale --- */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Space Grotesk', monospace;

    /* --- Spacing System --- */
    --space-xs: 0.25rem;  /* 4px */
    --space-sm: 0.5rem;   /* 8px */
    --space-md: 1rem;     /* 16px */
    --space-lg: 1.5rem;   /* 24px */
    --space-xl: 2rem;     /* 32px */
    --space-2xl: 3rem;    /* 48px */
    --space-3xl: 4.5rem;  /* 72px */
    --space-4xl: 6rem;    /* 96px */

    /* --- Border Radius --- */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* --- Shadows & Glows --- */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 35px rgba(255, 30, 66, 0.25);
    --shadow-glow-intense: 0 0 50px rgba(255, 30, 66, 0.45);

    /* --- Container & Layout --- */
    --container-max: 1280px;
    --header-height: 76px;

    /* --- Transitions --- */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--bg-base);
    color: var(--text-primary);
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    background-color: var(--bg-base);
    color: var(--text-secondary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Background Ambient Lighting Grid */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        radial-gradient(circle at 15% 20%, rgba(255, 30, 66, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 75%, rgba(225, 29, 72, 0.06) 0%, transparent 45%),
        linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
    pointer-events: none;
    z-index: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

img, svg, video {
    display: block;
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

::selection {
    background-color: var(--crimson-600);
    color: var(--pure-white);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--noir-950);
}
::-webkit-scrollbar-thumb {
    background: var(--noir-700);
    border-radius: var(--radius-full);
    border: 2px solid var(--noir-950);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--crimson-600);
}

/* Focus styles for WCAG accessibility */
:focus-visible {
    outline: 2px solid var(--crimson-500);
    outline-offset: 3px;
}

/* Container utility */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .container {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }
}

/* App container */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

#main-content {
    flex: 1;
}