:root {
  --bone: #E9E8E2;
  --bone-hi: #F3F2ED;
  --ink: #14171A;
  --ink-deep: #0E1013;
  --ink-elev: #1B1F23;
  --slate: #565C62;
  --faint: #8A9198;
  --pine: #26493C;
  --pine-2: #1C3A2F;
  --pine-lt: #3C6A57;
  --pine-tint: rgba(38, 73, 60, .08);
  --line: rgba(20, 23, 26, .14);
  --line-lt: rgba(233, 232, 226, .16);
  --err: #8a2b1e;
  --err-bg: #f6e6e2;
  --ff-display: 'Cabinet Grotesk', system-ui, -apple-system, sans-serif;
  --ff-body: 'Satoshi', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--ff-body);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 .4em;
}

a { color: inherit; }

.muted { color: var(--slate); }

/* ---------------- login ---------------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-deep);
}

.login-wrap {
  width: 100%;
  max-width: 380px;
  padding: 24px;
}

.login-logo {
  display: block;
  height: 34px;
  margin: 0 auto 28px;
  filter: brightness(0) invert(1);
  opacity: .92;
}

.login-card {
  background: var(--bone-hi);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.login-card h1 { font-size: 21px; }

.field { margin: 16px 0; }
.field label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--slate);
  margin-bottom: 6px;
  font-weight: 600;
}
.field input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 9px;
  padding: 11px 13px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
}
.field input:focus { outline: 2px solid var(--pine); outline-offset: 1px; }

.field-checkbox { margin: 4px 0 20px; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slate);
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
}
.checkbox-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--pine);
  cursor: pointer;
}

button, .btn {
  border: 0;
  border-radius: 9px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--pine); color: #fff; width: 100%; }
.btn-primary:hover { background: var(--pine-2); }

.btn-link {
  background: none;
  color: var(--slate);
  width: 100%;
  text-decoration: underline;
  font-weight: 500;
  font-size: 13px;
  padding: 8px;
}
.btn-link:hover { color: var(--ink); }
.secondary-form { margin-top: 4px; }

.code-input {
  text-align: center;
  font-size: 26px;
  letter-spacing: .5em;
  text-indent: .5em; /* compensa el letter-spacing para centrar bien */
  font-family: var(--ff-display);
}

.alert {
  background: var(--err-bg);
  color: var(--err);
  border: 1px solid var(--err);
  border-radius: 8px;
  padding: 10px 13px;
  font-size: 13px;
  margin-bottom: 14px;
}

/* ---------------- app shell ---------------- */
header.app {
  background: var(--ink);
  color: var(--bone);
  padding: 14px 24px;
}
header.app .row {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
header.app img { height: 26px; filter: brightness(0) invert(1); opacity: .92; }
header.app .who { font-size: 13px; color: var(--faint); }
header.app form { margin: 0; }
header.app .logout {
  background: transparent;
  color: var(--bone);
  border: 1px solid var(--line-lt);
  padding: 7px 14px;
  font-size: 12px;
}
header.app .logout:hover { background: var(--ink-elev); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 32px 24px 80px; }

/* ---------------- dashboard ---------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 20px;
}
.pcard {
  background: var(--bone-hi);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  text-decoration: none;
  display: block;
}
.pcard:hover { border-color: var(--pine); }
.pcard .status {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  background: var(--pine-tint);
  color: var(--pine);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
  font-weight: 700;
}
.pcard h3 { font-size: 18px; }
.pcard .loc { font-size: 13px; color: var(--slate); }

/* ---------------- project ---------------- */
.hero {
  background: var(--ink);
  color: var(--bone);
  border-radius: 16px;
  padding: 40px 32px;
  margin-bottom: 24px;
}
.hero .status {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  background: var(--pine-lt);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
  font-weight: 700;
}
.hero h1 { font-size: 30px; color: #fff; margin-bottom: 6px; }
.hero .loc { color: var(--faint); font-size: 14px; margin-bottom: 14px; }
.hero .tagline { font-size: 17px; color: var(--bone); max-width: 640px; line-height: 1.5; }

.section { margin: 28px 0; }
.section h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--slate);
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}
.metric {
  background: var(--bone-hi);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}
.metric .k { font-size: 12px; color: var(--slate); margin-bottom: 4px; }
.metric .v { font-size: 18px; font-weight: 700; font-family: var(--ff-display); }

.highlights { margin: 0; padding-left: 20px; line-height: 1.8; }

.example-note {
  background: var(--pine-tint);
  border: 1px dashed var(--pine-lt);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--pine);
  margin-bottom: 24px;
}

.summary { line-height: 1.7; max-width: 720px; color: var(--ink); }

.empty { color: var(--slate); padding: 40px 0; text-align: center; }

/* ---------------- admin ---------------- */
.alert-ok {
  background: var(--pine-tint);
  color: var(--pine);
  border-color: var(--pine-lt);
}

.admin-form .field { max-width: 420px; }

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 6px 14px;
  margin: 6px 0 10px;
}
.checkbox-grid .checkbox-label { font-size: 13px; }

.invite-link-box {
  background: var(--bone-hi);
  border: 1px dashed var(--pine-lt);
  border-radius: 12px;
  padding: 16px 18px;
}
.invite-link-box .k {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--slate);
  margin-bottom: 8px;
  font-weight: 600;
}
.invite-link-box code {
  display: block;
  word-break: break-all;
  font-size: 13px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
}

.copy-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.copy-row code { flex: 1; margin: 0; }
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 9px 13px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 8px;
  white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s;
}
.copy-btn svg { width: 15px; height: 15px; flex-shrink: 0; }
.copy-btn:hover { background: var(--bone); border-color: var(--pine-lt); }
.copy-btn.copied { background: var(--pine-tint); border-color: var(--pine-lt); color: var(--pine); }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--bone-hi);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.admin-table th, .admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.admin-table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--slate);
}
.admin-table tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-ok { background: var(--pine-tint); color: var(--pine); }
.badge-off { background: var(--err-bg); color: var(--err); }

.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-small { padding: 7px 12px; font-size: 12px; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-outline:hover { background: var(--bone); }
.btn-danger { background: var(--err); color: #fff; padding: 7px 12px; font-size: 12px; }
.btn-danger:hover { opacity: .9; }

/* ---------------- error ---------------- */
.error-wrap {
  max-width: 480px;
  margin: 80px auto;
  text-align: center;
  padding: 0 24px;
}
.error-wrap .code { font-size: 13px; color: var(--slate); text-transform: uppercase; letter-spacing: .08em; }