/* ValquiriaFit — páginas de acceso y administración */
:root {
  --brand: #5b2a86; --brand-2: #c32b85;
  --bg: #f5f6fa; --surface: #fff; --surface-2: #f0f2f7; --border: #e3e6ee; --text: #151722; --muted: #687089;
  --ok: #12a06a; --warn: #d98a06; --danger: #df3f57;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0d0f15; --surface: #151821; --surface-2: #1d212d; --border: #292e3c; --text: #edf0f7; --muted: #98a0b6; color-scheme: dark; }
}
:root[data-theme="dark"] { --bg: #0d0f15; --surface: #151821; --surface-2: #1d212d; --border: #292e3c; --text: #edf0f7; --muted: #98a0b6; color-scheme: dark; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--brand); }
.brand-img { display: block; height: 40px; width: auto; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .brand-img { background: #fff; padding: 6px 12px; border-radius: 12px; box-sizing: content-box; } }
:root[data-theme="dark"] .brand-img { background: #fff; padding: 6px 12px; border-radius: 12px; box-sizing: content-box; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; letter-spacing: -.02em; }

/* Acceso */
.auth { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; padding: 32px 16px; }
.card { width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 32px 28px; box-shadow: 0 1px 2px rgba(16,20,40,.05), 0 10px 30px rgba(16,20,40,.07); display: flex; flex-direction: column; gap: 14px; }
.card h1 { font-size: 24px; margin: 0 0 4px; letter-spacing: -.02em; }
.sub, .note, .hint { color: var(--muted); font-size: 14px; margin: 0; }
.hint { margin-top: -6px; }
label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 14px; }
input, select, textarea { font: inherit; font-weight: 400; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--brand) 40%, transparent); border-color: var(--brand); }
.btn { font: inherit; font-weight: 600; padding: 12px 20px; border-radius: 999px; border: 0; background: var(--brand); color: #fff; cursor: pointer; }
.btn:hover { filter: brightness(1.07); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.ghost { background: var(--surface-2); color: var(--text); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 7px 14px; font-size: 13px; }
.link { font: inherit; font-size: 14px; background: none; border: 0; color: var(--brand); cursor: pointer; padding: 0; align-self: center; }
.msg { margin: 0; min-height: 0; font-size: 14px; color: var(--danger); }
.msg:empty { display: none; }
.msg.ok { color: var(--ok); }

/* Administración */
.admin { max-width: 1100px; margin: 0 auto; padding: 28px 16px 60px; }
.admin-top { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.admin-top .grow { flex: 1; }
.admin h2 { font-size: 20px; margin: 0 0 14px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 22px; margin-bottom: 22px; }
.inv-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td .actions { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.tag.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.tag.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.tag.bad { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.tag.brand { background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 18px 0; text-align: center; }
@media (max-width: 700px) { .inv-form { grid-template-columns: 1fr; } }