:root {
    --bg: #08111f;
    --bg-elevated: rgba(10, 24, 44, 0.84);
    --surface: rgba(12, 30, 54, 0.92);
    --surface-strong: #132d4f;
    --text: #e7f1ff;
    --muted: #94a9c8;
    --accent: #4fd1c5;
    --accent-strong: #f4b860;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    --radius: 22px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Space Grotesk", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(79, 209, 197, 0.18), transparent 30%),
        radial-gradient(circle at top right, rgba(244, 184, 96, 0.16), transparent 28%),
        linear-gradient(180deg, #07101d 0%, #091424 52%, #050b14 100%);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font: inherit;
}

code,
pre {
    font-family: "JetBrains Mono", monospace;
}

.page-shell {
    width: min(1180px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 4rem;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.9fr);
    gap: 1.25rem;
    align-items: stretch;
}

.hero__copy,
.hero__meta,
.toolbar,
.program-card,
.modal__panel {
    backdrop-filter: blur(18px);
}

.hero__copy,
.toolbar {
    padding: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.eyebrow,
.modal__eyebrow,
.meta-card__label,
.search__label {
    margin: 0 0 0.5rem;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0;
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.hero__text {
    margin: 1rem 0 0;
    max-width: 64ch;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.7;
}

.hero__meta {
    display: grid;
    gap: 1rem;
}

.meta-card {
    display: grid;
    gap: 0.4rem;
    align-content: center;
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.meta-card strong {
    font-size: 1.45rem;
}

.toolbar {
    margin-top: 1.25rem;
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
}

.search {
    display: grid;
    gap: 0.5rem;
}

.search input {
    width: 100%;
    padding: 0.95rem 1rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: rgba(3, 10, 19, 0.55);
    color: var(--text);
    outline: none;
}

.search input:focus {
    border-color: rgba(79, 209, 197, 0.8);
    box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.14);
}

.status-message {
    margin: 0;
    color: var(--muted);
    text-align: right;
}

.program-grid {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.program-card {
    display: grid;
    gap: 1rem;
    padding: 1.25rem;
    background: linear-gradient(180deg, rgba(19, 45, 79, 0.94), rgba(9, 22, 40, 0.96));
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.program-card:hover {
    transform: translateY(-4px);
    border-color: rgba(79, 209, 197, 0.45);
    box-shadow: 0 28px 65px rgba(0, 0, 0, 0.4);
}

.program-card__header {
    display: grid;
    gap: 0.45rem;
}

.program-card__title {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.2;
}

.program-card__filename {
    margin: 0;
    color: var(--accent-strong);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.program-card__description {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.program-card__actions,
.modal__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.button,
.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.75rem 1rem;
    border-radius: 14px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
    text-align: center;
}

.button:hover,
.icon-button:hover,
.button:focus-visible,
.icon-button:focus-visible {
    transform: translateY(-1px);
}

.button--primary {
    background: linear-gradient(135deg, #4fd1c5, #208d97);
    color: #04131e;
    font-weight: 700;
}

.button--ghost,
.icon-button {
    background: rgba(4, 11, 20, 0.45);
    color: var(--text);
    border-color: var(--border);
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 20;
}

.modal.is-open {
    display: flex;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 7, 12, 0.78);
}

.modal__panel {
    position: relative;
    width: min(1040px, 100%);
    max-height: min(86vh, 920px);
    padding: 1.25rem;
    display: grid;
    grid-template-rows: auto auto auto minmax(0, 1fr);
    gap: 1rem;
    background: rgba(7, 18, 33, 0.98);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
}

.modal__header h2 {
    margin: 0;
}

.viewer-feedback {
    min-height: 1.25rem;
    margin: 0;
    color: var(--muted);
}

.code-block {
    margin: 0;
    min-height: 0;
    height: 100%;
    max-height: 100%;
    padding: 1rem;
    border-radius: 18px;
    background: #0b1627;
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: auto;
    white-space: pre;
}

.empty-state {
    padding: 2rem;
    border: 1px dashed var(--border);
    border-radius: 18px;
    color: var(--muted);
    text-align: center;
    background: rgba(12, 24, 43, 0.55);
}

.developer-section {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) auto;
    gap: 1rem;
    align-items: center;
    padding: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.developer-section__content {
    display: grid;
    gap: 0.65rem;
}

.developer-section__content h2 {
    margin: 0;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.developer-section__text {
    margin: 0;
    max-width: 64ch;
    color: var(--muted);
    line-height: 1.7;
}

.developer-section__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .hero,
    .toolbar,
    .developer-section {
        grid-template-columns: 1fr;
    }

    .page-shell {
        width: min(100% - 1.5rem, 100%);
        padding: 1.5rem 0 3rem;
    }

    .hero__copy,
    .toolbar,
    .meta-card,
    .program-card,
    .developer-section,
    .modal__panel {
        padding: 1.2rem;
    }

    .program-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .status-message {
        text-align: left;
    }

    .modal__header {
        flex-direction: column;
    }

    .developer-section__actions {
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .page-shell {
        width: min(100% - 1rem, 100%);
        padding-top: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero__text,
    .program-card__description,
    .developer-section__text,
    .status-message {
        font-size: 0.95rem;
    }

    .hero__copy,
    .toolbar,
    .meta-card,
    .program-card,
    .developer-section,
    .modal__panel {
        border-radius: 18px;
    }

    .program-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .program-card__actions,
    .modal__actions,
    .developer-section__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .button,
    .icon-button {
        width: 100%;
    }
}