:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-2: #efece5;
  --text: #1d1b18;
  --muted: #6d6860;
  --line: #e2ddd3;
  --accent: #b4532a;
  --accent-soft: #f3e3d9;
  --danger: #c0392b;
  --ok: #2e7d4f;
  --shadow: 0 1px 2px rgba(30,25,20,.06), 0 4px 16px rgba(30,25,20,.06);
  --radius: 12px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15140f; --surface: #1f1d18; --surface-2: #29261f; --text: #ece7dd; --muted: #a39d92;
    --line: #353128; --accent: #e08a5f; --accent-soft: #3a2a20; --danger: #e5675a; --ok: #5cc28a;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 var(--sans); min-height: 100vh; }
body.centered { display: grid; place-items: center; padding: 24px 16px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; color: inherit; }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.01em; }

/* header */
header.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 32px; border-bottom: 1px solid var(--line); background: var(--surface);
}
.brand { font: 600 21px/1 var(--serif); color: var(--text); }
.brand:hover { text-decoration: none; }
.menu { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.menu a { color: var(--muted); }
.menu a:hover { color: var(--text); text-decoration: none; }
.menu form { margin: 0; }
.linkbtn { border: 0; background: none; padding: 0; color: var(--muted); cursor: pointer; }
.linkbtn:hover { color: var(--text); }

main.wrap { max-width: 1100px; margin: 0 auto; padding: 36px 32px 60px; }
main.narrow { max-width: 560px; }
.page-title { font-size: 32px; margin: 0 0 6px; }
.lead { color: var(--muted); margin: 0 0 28px; }

/* tarjetas de login / formularios */
.box {
  width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px 28px;
}
.box h1 { margin: 0 0 4px; font-size: 28px; }
.box .sub { color: var(--muted); margin: 0 0 24px; font-size: 14px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; margin-bottom: 22px; }
.panel h2 { margin: 0 0 14px; font-size: 20px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.field input[type=text], .field input[type=password] {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); outline: none;
}
.field input:focus { border-color: var(--accent); }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); margin: 4px 0 18px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn {
  display: inline-block; border: 0; background: var(--accent); color: #fff; padding: 10px 18px;
  border-radius: 8px; cursor: pointer; font-weight: 500;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.full { width: 100%; }
.btn.ghost { background: var(--surface-2); color: var(--text); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--line); }

.flash { max-width: 1100px; margin: 16px auto 0; padding: 10px 16px; border-radius: 8px; font-size: 14px; }
body.centered .flash { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); margin: 0; }
.flash.ok { background: color-mix(in srgb, var(--ok) 14%, var(--surface)); color: var(--ok); }
.flash.error { background: color-mix(in srgb, var(--danger) 14%, var(--surface)); color: var(--danger); }
.error-msg { color: var(--danger); font-size: 14px; margin: 0 0 14px; }
.box .alt { text-align: center; font-size: 14px; color: var(--muted); margin: 18px 0 0; }
.badge { display: inline-block; min-width: 18px; padding: 0 5px; margin-left: 4px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 11px; line-height: 18px; text-align: center; font-weight: 600; }
.panel.pending { border-color: var(--accent); }
.panel.pending h2 .badge { vertical-align: middle; }

/* catálogo de proyectos */
.projects { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px; }
.project {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; color: var(--text); box-shadow: var(--shadow);
  transition: transform .15s, border-color .15s;
}
.project:hover { transform: translateY(-3px); border-color: var(--accent); text-decoration: none; }
.project .cover { aspect-ratio: 16/9; background: var(--surface-2); display: grid; place-items: center; font-size: 44px; overflow: hidden; }
.project .cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.project .info { padding: 14px 16px 16px; }
.project h3 { margin: 0 0 4px; font: 500 19px/1.25 var(--serif); }
.project p { margin: 0; color: var(--muted); font-size: 14px; }
.empty { color: var(--muted); padding: 40px 0; }

/* tabla de usuarios */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td .actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
td form { margin: 0; display: inline; }
.tag { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin-left: 6px; }
.tag.off { background: var(--surface-2); color: var(--muted); }
.table-wrap { overflow-x: auto; }

@media (max-width: 640px) {
  header.top { padding: 12px 16px; }
  main.wrap { padding: 24px 16px 48px; }
  .menu { gap: 14px; }
  .row { grid-template-columns: 1fr; }
}
.notice { background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); padding: 10px 14px; border-radius: 8px; font-size: 14px; margin: -12px 0 24px; }