:root,
[data-theme="dark"] {
    --bg: #0E0C14;
    --surface: #242133;
    --text: #F9F9F9;
    --text-muted: rgba(249, 249, 249, 0.7);
    --pink: #D255FE;
    --purple: #651DDD;
    --gradient: linear-gradient(135deg, #D255FE, #651DDD);
    --border: rgba(210, 85, 254, 0.15);
    --border-hover: rgba(210, 85, 254, 0.45);
    --glow: rgba(101, 29, 221, 0.3);
    --footer-bg: #08070d;
    --hero-glow-1: rgba(101, 29, 221, 0.25);
    --hero-glow-2: rgba(210, 85, 254, 0.12);
    --hero-overlay-top: rgba(14, 12, 20, 0.82);
    --hero-overlay-bottom: rgba(14, 12, 20, 0.92);
    --modal-backdrop: rgba(14, 12, 20, 0.75);
    --card-shadow: rgba(0, 0, 0, 0.4);
    --modal-shadow: rgba(0, 0, 0, 0.5);
    --icon-wrap-bg: rgba(101, 29, 221, 0.12);
    --icon-wrap-border: rgba(210, 85, 254, 0.2);
    --toggle-track: #242133;
    --toggle-border: rgba(210, 85, 254, 0.22);
    --toggle-thumb: linear-gradient(135deg, #D255FE, #651DDD);
    --toggle-icon: rgba(249, 249, 249, 0.45);
    --toggle-icon-active: #F9F9F9;
    --loading-track: rgba(249, 249, 249, 0.3);
    --font-display: 'Geist', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

[data-theme="light"] {
    --bg: #F9F9F9;
    --surface: #FFFFFF;
    --text: #0E0C14;
    --text-muted: rgba(14, 12, 20, 0.65);
    --pink: #C247F0;
    --purple: #5A1AC8;
    --gradient: linear-gradient(135deg, #C247F0, #5A1AC8);
    --border: rgba(101, 29, 221, 0.16);
    --border-hover: rgba(101, 29, 221, 0.38);
    --glow: rgba(101, 29, 221, 0.14);
    --footer-bg: #EDE9F5;
    --hero-glow-1: rgba(101, 29, 221, 0.1);
    --hero-glow-2: rgba(210, 85, 254, 0.08);
    --hero-overlay-top: rgba(249, 249, 249, 0.72);
    --hero-overlay-bottom: rgba(249, 249, 249, 0.86);
    --modal-backdrop: rgba(14, 12, 20, 0.32);
    --card-shadow: rgba(101, 29, 221, 0.12);
    --modal-shadow: rgba(14, 12, 20, 0.18);
    --icon-wrap-bg: rgba(101, 29, 221, 0.08);
    --icon-wrap-border: rgba(101, 29, 221, 0.18);
    --toggle-track: #EDE9F5;
    --toggle-border: rgba(101, 29, 221, 0.18);
    --toggle-thumb: linear-gradient(135deg, #C247F0, #5A1AC8);
    --toggle-icon: rgba(14, 12, 20, 0.38);
    --toggle-icon-active: #FFFFFF;
    --loading-track: rgba(14, 12, 20, 0.15);
}

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

body {
    font-family: var(--font-display);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

body:has(.modal-backdrop) {
    overflow: hidden;
}

header {
    position: relative;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, var(--hero-glow-1), transparent),
        radial-gradient(ellipse 60% 50% at 70% 60%, var(--hero-glow-2), transparent),
        linear-gradient(var(--hero-overlay-top), var(--hero-overlay-bottom)),
        url('../background.jpg') center/cover no-repeat;
    padding: 6rem 1rem 5rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

h1 {
    font-size: 4.8rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.04;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    padding-bottom: 0.1em;
}

.tagline {
    font-size: 1.6rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
    text-align: center;
}

.hero-label,
.section-label,
.card-label,
.modal-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.hero-title {
    font-size: clamp(2.8rem, 8vw, 4.8rem);
    line-height: 1.04;
}

.hero-tagline {
    font-size: clamp(1.1rem, 4vw, 1.6rem);
    margin: 1rem 0 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

.section-title {
    text-align: center;
    font-size: clamp(1.8rem, 5vw, 2.4rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 1.75rem;
    cursor: pointer;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.card:hover,
.card:focus-visible {
    border-color: var(--border-hover);
    box-shadow: 0 0 40px var(--glow), 0 8px 32px var(--card-shadow);
    transform: translateY(-4px);
    outline: none;
}

.card h3 {
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    flex-shrink: 0;
    width: 1.75rem;
    height: 1.75rem;
}

.feature-icon svg {
    display: block;
    width: 100%;
    height: 100%;
}

.card-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    background: var(--icon-wrap-bg);
    border: 1px solid var(--icon-wrap-border);
}

.card-icon-wrap .feature-icon {
    width: 1.75rem;
    height: 1.75rem;
}

.card-summary {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    flex: 1;
}

.card-cta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 0.75rem;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--modal-backdrop);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.2s ease;
}

.modal-panel {
    position: relative;
    width: 100%;
    max-width: 680px;
    max-height: 85vh;
    overflow-y: auto;
    background: var(--surface);
    border: 1px solid var(--border-hover);
    border-radius: 16px;
    padding: 2.5rem 2rem 2rem;
    box-shadow: 0 0 60px var(--glow), 0 24px 48px var(--modal-shadow);
    animation: scaleIn 0.25s ease;
}

.modal-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    border-radius: 16px 16px 0 0;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.modal-close:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

.modal-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 1rem;
    padding-right: 2.5rem;
}

.modal-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    background: var(--icon-wrap-bg);
    border: 1px solid var(--icon-wrap-border);
}

.modal-icon {
    width: 2rem;
    height: 2rem;
}

.modal-description {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.modal-highlights {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modal-highlights li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.5;
}

.modal-highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gradient);
}

footer {
    text-align: center;
    padding: 3rem 1rem;
    background: var(--footer-bg);
    border-top: 1px solid var(--border);
    font-size: 0.95rem;
    color: var(--text-muted);
}

footer a {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.theme-toggle {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 1100;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}

.theme-toggle-track {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    width: 4.5rem;
    height: 2.25rem;
    padding: 0.2rem;
    border-radius: 999px;
    background: var(--toggle-track);
    border: 1px solid var(--toggle-border);
    box-shadow: 0 4px 16px var(--glow);
}

.theme-toggle-thumb {
    position: absolute;
    top: 0.2rem;
    left: 0.2rem;
    width: calc(50% - 0.2rem);
    height: calc(100% - 0.4rem);
    border-radius: 999px;
    background: var(--toggle-thumb);
    box-shadow: 0 2px 8px rgba(101, 29, 221, 0.35);
    transition: transform 0.25s ease;
}

.theme-toggle-thumb.is-light {
    transform: translateX(100%);
}

.theme-toggle-icon {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    margin: 0 auto;
    color: var(--toggle-icon);
    transition: color 0.2s ease, transform 0.2s ease;
}

.theme-toggle-icon svg {
    width: 1rem;
    height: 1rem;
}

.theme-toggle-icon.is-active {
    color: var(--toggle-icon-active);
}

.theme-toggle:hover .theme-toggle-track {
    border-color: var(--border-hover);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--pink);
    outline-offset: 3px;
    border-radius: 999px;
}

@media (max-width: 768px) {
    .theme-toggle {
        top: auto;
        right: calc(1.25rem + env(safe-area-inset-right, 0px));
        bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
        left: auto;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .theme-toggle-thumb {
        transition: none;
    }

    .card,
    .modal-backdrop,
    .modal-panel {
        transition: none;
        animation: none;
    }

    .card:hover,
    .card:focus-visible {
        transform: none;
    }
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 auto;
}

.loading-progress circle {
    fill: none;
    stroke: var(--loading-track);
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--pink);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}