/* ==========================================================================
   Personal Hub — design system aligné sur portfolio.dorianvidal.com
   ========================================================================== */

:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-surface-muted: #f0f0f0;
    --color-border: #e0e0e0;
    --color-text: #0a0a0a;
    --color-muted: #6b6b6b;
    --color-muted-light: #9a9a9a;

    --font-sans: "Space Grotesk", sans-serif;
    --font-mono: "JetBrains Mono", monospace;

    --radius-sm: 2px;
    --radius-md: 4px;

    --container-width: 1120px;
    --gutter: clamp(20px, 4vw, 40px);
}

* {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
}

h1, h2, h3 {
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.03em;
}

p {
    margin: 0;
}

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

ul, li {
    margin: 0;
    padding: 0;
    list-style: none;
}

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

/* ---------- layout helpers ---------- */

.site-header,
main,
.site-footer {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}

/* ---------- header ---------- */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 17.6px;
    font-weight: 600;
    color: var(--color-text);
}

.logo-mark {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.logo span {
    font-weight: 400;
    color: var(--color-muted);
}

.datetime {
    display: flex;
    align-items: baseline;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-muted);
}

#time {
    color: var(--color-text);
    font-weight: 500;
}

/* ---------- hero ---------- */

.hero {
    padding-top: 96px;
    padding-bottom: 64px;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-family: var(--font-mono);
    font-size: 13.6px;
    color: var(--color-muted);
}

.eyebrow-dash {
    color: var(--color-muted-light);
}

.cursor {
    display: inline-block;
    width: 7px;
    height: 15px;
    background: var(--color-text);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero h1 {
    font-size: clamp(36px, 5.5vw, 64px);
    line-height: 1.1;
    max-width: 760px;
}

.hero-subtitle {
    margin-top: 24px;
    max-width: 520px;
    font-size: 18.4px;
    color: var(--color-muted);
}

/* ---------- toolbar ---------- */

.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 24px;
    padding-bottom: 48px;
    margin-bottom: 48px;
    border-bottom: 1px solid var(--color-border);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field label {
    font-family: var(--font-mono);
    font-size: 11.2px;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.search-field {
    flex: 1 1 260px;
}

.toolbar input[type="search"],
.toolbar select {
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    font-size: 14.4px;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.15s ease;
}

.toolbar select {
    min-width: 200px;
    cursor: pointer;
}

.toolbar input[type="search"]:focus,
.toolbar select:focus {
    border-color: var(--color-text);
}

.toolbar input[type="search"]::placeholder {
    color: var(--color-muted-light);
}

.archive-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding-bottom: 2px;
}

.archive-toggle input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.switch {
    position: relative;
    width: 36px;
    height: 20px;
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    transition: background 0.15s ease;
    flex-shrink: 0;
}

.switch::before {
    content: "";
    position: absolute;
    top: 1px;
    left: 1px;
    width: 16px;
    height: 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    transition: transform 0.15s ease;
}

.archive-toggle input:checked + .switch {
    background: var(--color-text);
    border-color: var(--color-text);
}

.archive-toggle input:checked + .switch::before {
    transform: translateX(16px);
    border-color: var(--color-text);
}

.archive-toggle-label {
    font-size: 14.4px;
    color: var(--color-muted);
}

/* ---------- projects section ---------- */

.projects {
    padding-bottom: 96px;
}

.section-heading {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 32px;
}

.section-index {
    font-family: var(--font-mono);
    font-size: 12.8px;
    color: var(--color-muted-light);
}

.section-heading h2 {
    font-size: 28px;
}

.section-count {
    font-family: var(--font-mono);
    font-size: 12.8px;
    color: var(--color-muted);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.empty-state {
    padding: 48px 0;
    text-align: center;
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 13.6px;
}

/* ---------- project card ---------- */

.project-card {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.15s ease;
}

.project-card:hover {
    border-color: var(--color-text);
}

.project-card.is-archived {
    border-style: dashed;
}

.project-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 16 / 9;
    background: var(--color-surface-muted);
    color: var(--color-text);
}

.project-visual svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
}

.project-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11.2px;
    color: var(--color-muted);
    background: var(--color-surface-muted);
    border-radius: var(--radius-sm);
    padding: 4.8px 9.6px;
}

.tag-archived {
    color: #8a6d1f;
    background: #fbf1d6;
}

.project-body h3 {
    font-size: 18px;
    letter-spacing: -0.01em;
}

.project-description {
    color: var(--color-muted);
    font-size: 14.4px;
    flex: 1;
}

.project-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

.project-link {
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.project-link .arrow {
    transition: transform 0.15s ease;
}

.project-link:hover .arrow {
    transform: translateX(3px);
}

.project-number {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-muted-light);
}

/* ---------- footer ---------- */

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    padding-bottom: 32px;
    border-top: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: 12.8px;
    color: var(--color-muted);
}

/* ---------- responsive ---------- */

@media (max-width: 640px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .toolbar {
        align-items: stretch;
    }

    .datetime {
        gap: 8px;
    }
}