/* =========================================================================
   74nu5.dev — Design system
   Thème "dev sombre" par défaut, thème clair via [data-theme="light"].
   ========================================================================= */

:root {
    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Cascadia Code", "Fira Code", Consolas, "Liberation Mono", monospace;

    --radius: 14px;
    --radius-sm: 9px;
    --maxw: 1080px;
    --nav-h: 64px;

    --transition: 160ms ease;
}

/* ---- Thème sombre (défaut) ---- */
:root,
[data-theme="dark"] {
    --bg: #0b0e14;
    --bg-elev: #12161f;
    --bg-elev-2: #171c28;
    --surface: #12161f;
    --border: #232a38;
    --border-strong: #313a4d;

    --text: #e6e9ef;
    --text-muted: #9aa4b6;
    --text-dim: #6b7488;

    --accent: #8b9dff;
    --accent-strong: #6c81ff;
    --accent-2: #5eead4;
    --accent-glow: rgba(139, 157, 255, 0.16);

    --term-green: #6ee7b7;
    --term-yellow: #fcd34d;
    --term-red: #fb7185;

    --shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.6);
    --grid-line: rgba(255, 255, 255, 0.025);
}

/* ---- Thème clair ---- */
[data-theme="light"] {
    --bg: #f6f7fb;
    --bg-elev: #ffffff;
    --bg-elev-2: #ffffff;
    --surface: #ffffff;
    --border: #e3e7ef;
    --border-strong: #cdd4e0;

    --text: #1a1f2b;
    --text-muted: #55607a;
    --text-dim: #8b93a7;

    --accent: #4f5bd5;
    --accent-strong: #3f49c0;
    --accent-2: #0d9488;
    --accent-glow: rgba(79, 91, 213, 0.12);

    --term-green: #0f9d6b;
    --term-yellow: #b45309;
    --term-red: #e11d48;

    --shadow: 0 12px 30px -16px rgba(20, 30, 60, 0.28);
    --grid-line: rgba(20, 30, 60, 0.03);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    background-image:
        radial-gradient(60% 50% at 50% -10%, var(--accent-glow), transparent 70%),
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: auto, 44px 44px, 44px 44px;
    background-attachment: fixed;
    min-height: 100vh;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    margin: 0 0 0.4em;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

a:hover {
    color: var(--accent-strong);
}

p {
    margin: 0 0 1em;
}

code, kbd {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

::selection {
    background: var(--accent-glow);
    color: var(--text);
}

/* ---- Layout helpers ---- */
.container {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 22px;
}

.section {
    padding-block: 68px;
    scroll-margin-top: var(--nav-h);
}

.section__head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.section__index {
    font-family: var(--font-mono);
    color: var(--accent-2);
    font-size: 0.95rem;
    opacity: 0.85;
}

.section__title {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    margin: 0;
}

.section__sub {
    color: var(--text-muted);
    margin: 0;
    max-width: 60ch;
}

.mono {
    font-family: var(--font-mono);
}

/* ============================ NAVBAR ============================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.navbar__inner {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: 22px;
    display: flex;
    align-items: center;
    gap: 18px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.brand:hover { color: var(--text); }

.brand__mark {
    display: block;
    width: 26px;
    height: 26px;
    flex-shrink: 0;
}

.brand__accent { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 4px;
    margin-left: auto;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 7px 11px;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
    color: var(--text);
    background: var(--bg-elev-2);
}

.nav-links a .hash { color: var(--accent); opacity: 0.7; }

.nav-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 6px;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    min-width: 36px;
    padding-inline: 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-elev);
    color: var(--text-muted);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    transition: all var(--transition);
}

.icon-btn:hover {
    color: var(--text);
    border-color: var(--border-strong);
    background: var(--bg-elev-2);
}

.icon-btn svg { width: 17px; height: 17px; }

.nav-toggle {
    display: none;
}

/* ============================ HERO ============================ */
.hero {
    padding-block: clamp(56px, 12vw, 110px) 60px;
    position: relative;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
}

.hero__eyebrow {
    font-family: var(--font-mono);
    color: var(--accent-2);
    font-size: 0.95rem;
    margin-bottom: 18px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero__eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--accent-2);
    display: inline-block;
}

.hero h1 {
    font-size: clamp(2.4rem, 7vw, 4rem);
    margin-bottom: 10px;
}

.hero h1 .accent {
    color: var(--accent);
}

.hero__role {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 22px;
    min-height: 1.4em;
}

.hero__role .caret {
    display: inline-block;
    width: 9px;
    height: 1.1em;
    background: var(--accent);
    margin-left: 3px;
    vertical-align: -2px;
    animation: blink 1.05s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero__desc {
    max-width: 54ch;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin: 22px 0 28px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--text-dim);
}

.hero__meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero__avatar {
    width: clamp(140px, 22vw, 210px);
    aspect-ratio: 1;
    border-radius: 20px;
    border: 1px solid var(--border-strong);
    padding: 6px;
    background: var(--bg-elev);
    box-shadow: var(--shadow);
    position: relative;
}

.hero__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    display: block;
}

.hero__avatar::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 21px;
    padding: 1px;
    background: linear-gradient(135deg, var(--accent), transparent 40%, var(--accent-2));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.55;
    pointer-events: none;
}

/* ============================ BUTTONS ============================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 11px 18px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn svg { width: 18px; height: 18px; }

.btn--primary {
    background: var(--accent);
    color: #0b0e14;
    border-color: var(--accent);
}

.btn--primary:hover {
    background: var(--accent-strong);
    border-color: var(--accent-strong);
    color: #0b0e14;
    transform: translateY(-1px);
}

.btn--ghost {
    background: var(--bg-elev);
    color: var(--text);
    border-color: var(--border-strong);
}

.btn--ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}

/* ============================ CARDS ============================ */
.grid {
    display: grid;
    gap: 18px;
}

.grid--apps {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.grid--repos {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow);
}

.card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.card__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    color: var(--accent);
    font-family: var(--font-mono);
    font-weight: 700;
    flex-shrink: 0;
}

.card__icon svg { width: 20px; height: 20px; }

.card__title {
    font-size: 1.08rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card__desc {
    color: var(--text-muted);
    font-size: 0.94rem;
    margin: 0 0 16px;
    flex-grow: 1;
}

.card__footer {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-top: auto;
}

.card__footer .meta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card__links {
    display: flex;
    gap: 10px;
    margin-left: auto;
}

.card__links a {
    color: var(--text-muted);
    display: inline-flex;
}

.card__links a:hover { color: var(--accent); }
.card__links svg { width: 18px; height: 18px; }

.badge-live {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--term-green);
    border: 1px solid color-mix(in srgb, var(--term-green) 40%, transparent);
    border-radius: 20px;
    padding: 2px 9px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.badge-live::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--term-green);
    box-shadow: 0 0 8px var(--term-green);
}

.lang-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    background: var(--text-dim);
}

.pill {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 3px 9px;
    border-radius: 20px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.topics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

/* ============================ REPOS controls ============================ */
.repo-controls {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 22px;
    align-items: center;
}

.search {
    display: flex;
    align-items: center;
    gap: 9px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 13px;
    flex: 1 1 240px;
    max-width: 360px;
}

.search:focus-within { border-color: var(--accent); }
.search svg { width: 16px; height: 16px; color: var(--text-dim); flex-shrink: 0; }

.search input {
    border: none;
    background: transparent;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    width: 100%;
    outline: none;
}

.search input::placeholder { color: var(--text-dim); }

.select {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.86rem;
    padding: 9px 12px;
    cursor: pointer;
    outline: none;
}

.select:focus { border-color: var(--accent); }

.chip {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 8px 13px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-elev);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

.chip:hover { border-color: var(--border-strong); color: var(--text); }

.chip.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #0b0e14;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
}

/* ============================ STATS ============================ */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px;
}

.stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.stat__num {
    font-family: var(--font-mono);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat__label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 8px;
}

/* ============================ STACK ============================ */
.stack-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
}

.stack-group {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.stack-group h3 {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--accent-2);
    margin-bottom: 14px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 5px 11px;
    border-radius: var(--radius-sm);
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: all var(--transition);
}

.tag:hover { color: var(--text); border-color: var(--border-strong); }

/* ============================ CONTACT / links ============================ */
.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.link-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    color: var(--text);
    transition: all var(--transition);
}

.link-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    color: var(--text);
}

.link-card__icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 10px;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.link-card__icon svg { width: 20px; height: 20px; }

.link-card__label { font-weight: 600; font-size: 0.95rem; }
.link-card__sub { color: var(--text-dim); font-size: 0.82rem; font-family: var(--font-mono); }

/* ============================ Terminal card ============================ */
.terminal {
    background: var(--bg-elev);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    overflow: hidden;
    font-family: var(--font-mono);
    box-shadow: var(--shadow);
    max-width: 520px;
}

.terminal__bar {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 11px 14px;
    background: var(--bg-elev-2);
    border-bottom: 1px solid var(--border);
}

.terminal__dot { width: 11px; height: 11px; border-radius: 50%; }
.terminal__dot--r { background: #ff5f57; }
.terminal__dot--y { background: #febc2e; }
.terminal__dot--g { background: #28c840; }
.terminal__title { margin-left: 8px; color: var(--text-dim); font-size: 0.8rem; }

.terminal__body { padding: 16px 18px; font-size: 0.88rem; line-height: 1.8; }
.terminal__body .c-prompt { color: var(--term-green); }
.terminal__body .c-path { color: var(--accent); }
.terminal__body .c-comment { color: var(--text-dim); }
.terminal__body .c-str { color: var(--term-yellow); }
.terminal__body .c-key { color: var(--accent-2); }

/* ============================ FOOTER ============================ */
.footer {
    border-top: 1px solid var(--border);
    padding-block: 34px;
    margin-top: 40px;
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.footer a { color: var(--text-muted); }
.footer a:hover { color: var(--accent); }

/* ============================ States ============================ */
.state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
}

.spinner {
    width: 30px;
    height: 30px;
    border: 3px solid var(--border-strong);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 14px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
    background: linear-gradient(90deg, var(--bg-elev) 25%, var(--bg-elev-2) 50%, var(--bg-elev) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
    border-radius: var(--radius);
    height: 168px;
    border: 1px solid var(--border);
}

@keyframes shimmer { to { background-position: -200% 0; } }

/* ============================ Reveal on scroll ============================ */
.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}

/* ============================ Loading screen ============================ */
.app-loading {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: var(--bg);
    font-family: var(--font-mono);
}

.app-loading__prompt { color: var(--text-muted); font-size: 0.95rem; }
.app-loading__caret { color: var(--term-green); }
.app-loading__cmd { color: var(--accent); }

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
}

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

.loading-progress circle:last-child {
    stroke: var(--accent);
    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: 700;
    inset: calc(50% - 0.9rem) 0 auto 0;
    color: var(--text);
}

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

/* ============================ Error UI ============================ */
#blazor-error-ui {
    color-scheme: light dark;
    background: var(--bg-elev-2);
    color: var(--text);
    border-top: 1px solid var(--term-red);
    bottom: 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
    display: none;
    left: 0;
    padding: 0.9rem 1.2rem 0.9rem 1.2rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 0.75rem;
}

#blazor-error-ui .reload { color: var(--accent); }

.blazor-error-boundary {
    background: var(--bg-elev-2);
    padding: 1rem;
    color: var(--term-red);
    border: 1px solid var(--term-red);
    border-radius: var(--radius);
    font-family: var(--font-mono);
}

/* ============================ Responsive ============================ */
@media (max-width: 820px) {
    .hero__grid { grid-template-columns: 1fr; }
    .hero__avatar { order: -1; }

    .nav-links {
        position: fixed;
        inset: var(--nav-h) 0 auto 0;
        flex-direction: column;
        background: var(--bg-elev);
        border-bottom: 1px solid var(--border);
        padding: 12px 22px;
        gap: 2px;
        margin: 0;
        transform: translateY(-130%);
        transition: transform 220ms ease;
        box-shadow: var(--shadow);
    }

    .nav-links.open { transform: translateY(0); }
    .nav-links a { padding: 12px; }

    .nav-toggle { display: inline-flex; }
}

@media (max-width: 480px) {
    .section { padding-block: 52px; }
    .hero__cta { width: 100%; }
    .hero__cta .btn { flex: 1; justify-content: center; }
}