/* =============================================================
   HUMANS.LI — Base CSS
   Design system extrait de la landing page humans.li
   ============================================================= */

/* --- Tokens -------------------------------------------------- */
:root {
  --black: #000000;
  --white: #ffffff;

  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Courier New", Courier, monospace;

  --border-sm:  2px solid var(--black);
  --border-md:  4px solid var(--black);
  --border-lg:  5px solid var(--black);
  --border-xl:  8px solid var(--black);
  --border-2xl: 12px solid var(--black);

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  3rem;
  --space-xl:  4rem;
  --space-2xl: 5rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  --max-width: 850px;
  --radius: 0; /* zero — brutalist strict */
}

/* --- Reset --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

body {
  background-color: var(--white);
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.4;
  margin: 0;
  padding: var(--space-md);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

/* --- Typography --------------------------------------------- */
h1 {
  font-size: 5.5rem;
  font-weight: 900;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: -0.06em;
  line-height: 1;
}
h2 {
  font-size: 2.2rem;
  font-weight: 900;
  margin-top: 0;
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);
  padding: 0.2rem 1rem;
  display: inline-block;
  margin-bottom: var(--space-md);
}
h3 {
  font-size: 1.4rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-top: 0;
}
p {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}
strong {
  background: var(--black);
  color: var(--white);
  padding: 0 0.4rem;
}
small {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Layout ------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}
section {
  margin-bottom: var(--space-2xl);
}

/* --- Header / Nav ------------------------------------------ */
.site-header {
  border-bottom: var(--border-xl);
  margin-bottom: var(--space-3xl);
  padding: var(--space-md) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  text-decoration: none;
  color: var(--black);
}
.site-logo span {
  background: var(--black);
  color: var(--white);
  padding: 0 0.3rem;
}
nav {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}
nav a {
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--black);
  letter-spacing: 0.02em;
}
nav a:hover,
nav a.active {
  background: var(--black);
  color: var(--white);
  padding: 0.2rem 0.5rem;
}

/* --- Footer ------------------------------------------------- */
footer {
  margin-top: var(--space-4xl);
  font-size: 1rem;
  text-transform: uppercase;
  font-weight: 900;
  text-align: center;
  border-top: var(--border-xl);
  padding-top: var(--space-lg);
}

/* --- Buttons ----------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1rem;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0.75rem 1.5rem;
  letter-spacing: 0.02em;
  transition: none;
}
.btn-primary {
  background: var(--black);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--white);
  color: var(--black);
  outline: var(--border-md);
}
.btn-secondary {
  background: var(--white);
  color: var(--black);
  outline: var(--border-md);
}
.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
}
.btn-danger {
  background: var(--white);
  color: var(--black);
  outline: var(--border-md);
  text-decoration: line-through;
}
.btn-danger:hover {
  background: var(--black);
  color: var(--white);
}
.btn-sm  { font-size: 0.8rem; padding: 0.4rem 0.8rem; }
.btn-lg  { font-size: 1.2rem; padding: 1rem 2rem; }
.btn-full { width: 100%; text-align: center; }

/* --- Forms ------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-md);
}
label {
  display: block;
  font-weight: 900;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  width: 100%;
  background: var(--white);
  color: var(--black);
  border: var(--border-md);
  border-radius: var(--radius);
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-sans);
  outline: none;
}
input:focus,
textarea:focus {
  outline: var(--border-xl);
  outline-offset: 0;
}
textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Cards ------------------------------------------------- */
.card {
  border: var(--border-lg);
  padding: var(--space-md);
}
.card-header {
  border-bottom: var(--border-md);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Post card --------------------------------------------- */
.post {
  border-bottom: var(--border-md);
  padding: var(--space-md) 0;
}
.post:first-child { border-top: var(--border-md); }
.post-meta {
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  display: flex;
  gap: var(--space-md);
  align-items: center;
}
.post-meta a {
  color: var(--black);
  text-decoration: none;
}
.post-meta a:hover { text-decoration: underline; }
.post-body {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.post-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}
.post-action {
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  padding: 0.2rem 0.5rem;
  border: var(--border-sm);
}
.post-action:hover {
  background: var(--black);
  color: var(--white);
}
.post-action.active {
  background: var(--black);
  color: var(--white);
}

/* --- User / Profile ---------------------------------------- */
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.85rem;
}
.avatar {
  width: 40px;
  height: 40px;
  border: var(--border-md);
  object-fit: cover;
  filter: grayscale(100%) contrast(120%);
}
.avatar-lg {
  width: 120px;
  height: 120px;
  border: var(--border-md);
  object-fit: cover;
  filter: grayscale(100%) contrast(120%);
}
.profile-header {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  padding-bottom: var(--space-xl);
  border-bottom: var(--border-xl);
  margin-bottom: var(--space-xl);
}
.profile-info h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}
.profile-info p {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

/* --- Badge score humain ------------------------------------ */
.human-badge {
  border: 8px solid var(--black);
  padding: var(--space-md);
  display: inline-block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  background: var(--black);
  color: var(--white);
  box-shadow: 8px 8px 0px var(--black);
  text-align: left;
}
.badge-header {
  font-weight: 900;
  font-size: 0.9rem;
  border-bottom: 4px solid var(--white);
  margin-bottom: var(--space-sm);
  padding-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
}
.badge-name {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  margin: 0.5rem 0;
}
.badge-score {
  font-size: 2.5rem;
  border-top: 4px solid var(--white);
  margin-top: var(--space-sm);
  padding-top: 0.5rem;
  text-align: right;
  font-weight: 900;
}
.badge-status {
  font-size: 1rem;
  font-weight: 900;
}

/* --- Serment / Oath ---------------------------------------- */
.oath {
  font-style: italic;
  font-size: 1.4rem;
  font-weight: 800;
  border-left: var(--border-2xl);
  padding-left: var(--space-md);
  margin: var(--space-xl) 0;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

/* --- Highlight section (inversé) --------------------------- */
.section-inverted {
  background: var(--black);
  color: var(--white);
  padding: var(--space-xl) var(--space-md);
  margin: var(--space-xl) calc(-1 * var(--space-md));
  text-align: center;
}
.section-inverted h2 {
  background: var(--white);
  color: var(--black);
}
.section-inverted strong {
  background: var(--white);
  color: var(--black);
}
.section-inverted p { max-width: 600px; margin-left: auto; margin-right: auto; }

/* --- Notification / Alert ---------------------------------- */
.alert {
  border: var(--border-md);
  padding: var(--space-sm) var(--space-md);
  font-weight: 900;
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.alert-error {
  background: var(--black);
  color: var(--white);
}

/* --- Score bar --------------------------------------------- */
.score-bar {
  height: 8px;
  background: var(--white);
  border: var(--border-md);
  margin-top: 0.5rem;
}
.score-bar-fill {
  height: 100%;
  background: var(--black);
}

/* --- Tabs -------------------------------------------------- */
.tabs {
  display: flex;
  border-bottom: var(--border-xl);
  margin-bottom: var(--space-xl);
  gap: 0;
}
.tab {
  font-weight: 900;
  font-size: 0.9rem;
  text-transform: uppercase;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}
.tab.active {
  background: var(--black);
  color: var(--white);
}
.tab:hover:not(.active) { text-decoration: underline; }

/* --- Divider ----------------------------------------------- */
hr {
  border: none;
  border-top: var(--border-md);
  margin: var(--space-xl) 0;
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 600px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 1.6rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .profile-header { flex-direction: column; align-items: center; text-align: center; }
  .site-header { flex-direction: column; gap: var(--space-sm); align-items: flex-start; }
  nav { flex-wrap: wrap; gap: var(--space-sm); }
}