/* 
   Material Design 3 (Material You) Token System
   Theme: Dynamic Blue / Antigravity with Inter Font
*/

:root {
    /* Typeface - Switched to Inter as requested */
    --md-ref-typeface-brand: 'Inter', system-ui, -apple-system, sans-serif;
    --md-ref-typeface-plain: 'Inter', system-ui, -apple-system, sans-serif;

    /* Light Theme (Default) */
    --md-sys-color-primary: #005AC1;
    --md-sys-color-on-primary: #FFFFFF;
    --md-sys-color-primary-container: #D8E2FF;
    --md-sys-color-on-primary-container: #001A41;

    --md-sys-color-secondary: #575E71;
    --md-sys-color-on-secondary: #FFFFFF;
    --md-sys-color-secondary-container: #DUE2F9;
    --md-sys-color-on-secondary-container: #141B2C;

    --md-sys-color-background: #FEFBFF;
    --md-sys-color-on-background: #1B1B1F;

    --md-sys-color-surface: #FEFBFF;
    --md-sys-color-on-surface: #1B1B1F;

    --md-sys-color-surface-variant: #E1E2EC;
    --md-sys-color-on-surface-variant: #44474F;

    --md-sys-color-outline: #74777F;

    /* Elevation */
    --md-sys-elevation-1: 0px 1px 3px 1px rgba(0, 0, 0, 0.15), 0px 1px 2px 0px rgba(0, 0, 0, 0.3);
    --md-sys-elevation-3: 0px 4px 8px 3px rgba(0, 0, 0, 0.15), 0px 1px 3px 0px rgba(0, 0, 0, 0.3);

    /* Shape */
    --md-sys-shape-corner-large: 28px;
    --md-sys-shape-corner-medium: 16px;
    --md-sys-shape-corner-full: 9999px;
}

[data-theme="dark"] {
    /* Dark Theme */
    --md-sys-color-primary: #ADC6FF;
    --md-sys-color-on-primary: #002E69;
    --md-sys-color-primary-container: #004494;
    --md-sys-color-on-primary-container: #D8E2FF;

    --md-sys-color-secondary: #BFC6DC;
    --md-sys-color-on-secondary: #293041;
    --md-sys-color-secondary-container: #3F4759;
    --md-sys-color-on-secondary-container: #DUE2F9;

    --md-sys-color-background: #1B1B1F;
    --md-sys-color-on-background: #E3E2E6;

    --md-sys-color-surface: #1B1B1F;
    --md-sys-color-on-surface: #E3E2E6;

    --md-sys-color-surface-variant: #44474F;
    --md-sys-color-on-surface-variant: #C4C6D0;

    --md-sys-color-outline: #8E9099;
}

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

body {
    background-color: var(--md-sys-color-background);
    color: var(--md-sys-color-on-background);
    font-family: var(--md-ref-typeface-plain);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Canvas Background */
#antigravity-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    /* Removed opacity for cleaner, crisper lines */
}

/* Layout */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    position: relative;
    z-index: 1;
    padding-bottom: 5rem;
    padding-top: 6rem;
    /* Added significant top padding for mobile */
}

/* Typography */
h1,
h2,
h3 {
    font-family: var(--md-ref-typeface-brand);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3rem;
    /* Slightly smaller on mobile to prevent overflow */
    line-height: 1.2;
    /* Increased line-height */
    margin-bottom: 1rem;
    /* More space below title */
    color: var(--md-sys-color-on-background);
}

.headline-small {
    font-size: 1.5rem;
    line-height: 2rem;
}

.title-medium {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.body-large {
    font-size: 1.1rem;
    line-height: 1.6;
}

.label-large {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Components */

/* Floating Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    margin-bottom: 2rem;
    /* Reduced slightly to pull content up if needed */
}

/* FAB / Icon Button */
.icon-btn {
    background: transparent;
    border: none;
    color: var(--md-sys-color-on-surface-variant);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background 0.2s;
}

.icon-btn:hover {
    background: var(--md-sys-color-surface-variant);
}

/* Material Cards */
.md-card {
    background: var(--md-sys-color-surface);
    /* Fallback */
    background: color-mix(in srgb, var(--md-sys-color-surface) 85%, transparent);
    border-radius: var(--md-sys-shape-corner-large);
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--md-sys-elevation-1);
    backdrop-filter: blur(16px);
    border: 1px solid var(--md-sys-color-outline);
    border-color: color-mix(in srgb, var(--md-sys-color-outline) 15%, transparent);
}

.md-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--md-sys-color-surface-variant);
    padding-bottom: 1rem;
}

/* Filled Button */
.btn-filled {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    padding: 0 24px;
    height: 48px;
    /* Touch target */
    border-radius: var(--md-sys-shape-corner-full);
    font-family: var(--md-ref-typeface-brand);
    font-weight: 500;
    text-decoration: none;
    box-shadow: var(--md-sys-elevation-1);
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}

.btn-filled:hover {
    box-shadow: var(--md-sys-elevation-3);
    transform: translateY(-1px);
}

/* Chips/Tags */
.chip {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: 8px;
    background-color: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.85rem;
    font-weight: 500;
    margin-right: 6px;
    margin-bottom: 6px;
}

/* Skill Categories */
.skill-category {
    margin-bottom: 1.5rem;
}

.skill-category-title {
    font-size: 0.8rem;
    color: var(--md-sys-color-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-weight: 600;
}

/* Grid Layouts for Content */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* Responsive Media Queries */
@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr 1fr;
    }

    h1 {
        font-size: 4.5rem;
    }
}

/* Animation Utilities */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}