/* Páginas de gestión (login, proyectos, administración). Mismo estilo sobrio que el visor. */
:root {
  --ink: #111; --ink2: #555; --ink3: #8a8a8a; --line: #cfcfcf; --hair: #e6e6e6;
  --bg: #fff; --accent: #ff5a1f; --alerta: #d62d20; --ok: #1d6b2f;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 var(--font); }
a { color: inherit; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
       min-height: 48px; padding: 0 16px; border-bottom: 1px solid var(--line); }
.top .marca { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink2); }
.top .marca img { height: 17px; }
.top nav { display: flex; gap: 16px; flex-wrap: wrap; }
.top nav a { text-decoration: none; color: var(--ink2); padding: 12px 0; }
.top nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 22px; font-weight: 600; margin: 8px 0 18px; }
h2 { font-size: 16px; font-weight: 600; margin: 26px 0 10px; }
.nota { color: var(--ink2); font-size: 13px; }
.ok { color: var(--ok); border-left: 3px solid var(--ok); padding: 6px 10px; background: #f3f8f4; }
.err { color: var(--alerta); border-left: 3px solid var(--alerta); padding: 6px 10px; background: #fdf3f2; white-space: pre-wrap; }

/* formularios */
form.form, .login form { display: grid; gap: 12px; max-width: 560px; }
label { display: grid; gap: 3px; color: var(--ink2); font-size: 12px; }
input[type=text], input[type=email], input[type=password], input[type=file], select, textarea {
  font: inherit; font-size: 14px; color: var(--ink); border: 0; border-bottom: 1px solid var(--ink); padding: 5px 0; background: none; width: 100%; }
textarea { border: 1px solid var(--line); padding: 8px; font: 12px/1.4 ui-monospace, Consolas, monospace; min-height: 280px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
label.chk { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--ink); }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; padding: 4px 6px; }
button:hover { text-decoration: underline; text-underline-offset: 3px; }
.prim { border: 1px solid var(--ink); padding: 6px 14px; justify-self: start; }
.prim:hover { background: var(--ink); color: #fff; text-decoration: none; }
.peligro { color: var(--alerta); }
.login { max-width: 380px; margin: 8vh auto 0; }

/* tarjetas de proyectos */
.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.tarjeta { display: grid; gap: 6px; padding: 16px; border: 1px solid var(--line); text-decoration: none; }
.tarjeta:hover { border-color: var(--ink); }
.tarjeta b { font-size: 16px; }
.tarjeta span { color: var(--ink2); }
.tarjeta small { color: var(--ink3); }

/* tablas */
.tabla { width: 100%; border-collapse: collapse; font-size: 13px; }
.tabla th { text-align: left; font-weight: 600; color: var(--ink2); border-bottom: 1px solid var(--ink); padding: 6px 8px 6px 0; white-space: nowrap; }
.tabla td { border-bottom: 1px solid var(--hair); padding: 6px 8px 6px 0; vertical-align: top; }
.tabla .acc { white-space: nowrap; }
.tabla form { display: inline; }
.envoltura { overflow-x: auto; }
.inactivo { color: var(--ink3); }
.etq { font-size: 11px; color: var(--ink2); border: 1px solid var(--line); padding: 0 5px; white-space: nowrap; }
details { margin: 10px 0; }
summary { cursor: pointer; color: var(--ink2); }
code { font: 12px ui-monospace, Consolas, monospace; background: #f4f4f4; padding: 1px 4px; }
@media (max-width: 640px) { .top nav { gap: 10px; font-size: 13px; } }