/* 26GRP Cloud — pantalla de ingreso (pública). Composición tomada de la portada del manual:
   fondo blanco, isologotipo vertical y los arcos del isotipo en los bordes. */
:root {
  --paper: #FFFFFF; --sheet: #FFFFFF; --ink: var(--gris); --ink-2: var(--gris-medio); --ink-3: #767675; --line: #DCE0DA;
  --title: var(--verde-oscuro); --accent: var(--verde-medio); --accent-hover: var(--verde-oscuro); --accent-ink: #FFFFFF;
  --ok: #2D6739; --ok-soft: #E3F1E6; --warn: #A8402A; --warn-soft: #FBE7E1;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root {
  --paper: #0A1814; --sheet: #0A1814; --ink: #EFEFEF; --ink-2: #B8C2BD; --ink-3: #8F9B95; --line: #26403A;
  --title: #FFFFFF; --accent: var(--verde-claro); --accent-hover: #A6DDAE; --accent-ink: #0A1814;
  --ok: #8FD49A; --ok-soft: #17372A; --warn: #F0A08A; --warn-soft: #3D2119; color-scheme: dark; } }

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--paper); color: var(--ink); font: 500 15.5px/1.5 var(--f-marca); overflow-x: hidden; position: relative; min-height: 100vh; }

/* arcos de la portada (anclados a las esquinas inferiores, detrás del contenido) */
.arco { position: absolute; pointer-events: none; user-select: none; z-index: 0; bottom: 0; width: auto; }
.arco-grande { right: 0; height: min(86vh, 62vw); }
.arco-oscuro { left: 0; height: min(19vh, 14vw); }
@media (max-height: 760px) { .arco-oscuro { display: none; } }
@media (max-width: 860px) { .arco-grande { height: 30vh; } .arco-oscuro { display: none; } }

.login { position: relative; z-index: 1; min-height: 100vh; display: grid; align-content: center; justify-items: start;
  padding: 32px max(16px, env(safe-area-inset-right)) max(32px, 21vh) max(16px, calc(env(safe-area-inset-left) + 9vw)); gap: 18px; }
@media (max-width: 860px) { .login { justify-items: center; padding-left: max(16px, env(safe-area-inset-left)); align-content: start; padding-top: 7vh; padding-bottom: calc(30vh + 16px); } }
.login-card { width: min(380px, calc(100vw - 32px)); display: grid; gap: 16px; background: transparent; }

/* isologotipo vertical; área de seguridad 2x alrededor (x = alto de la "g") */
.login-logo { width: 150px; margin-bottom: 22px; }
@media (max-width: 520px) { .login-logo { width: 120px; margin-bottom: 14px; } }

h1 { font-size: 28px; font-weight: 800; color: var(--title); margin: 0; letter-spacing: -.005em; line-height: 1.15; }
.lead { margin: -8px 0 4px; color: var(--ink-2); font-weight: 600; }
.muted { color: var(--ink-2); margin: 0; } .small { font-size: 13px; }
.stack { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: 13.5px; color: var(--ink); }
input { font: 500 16px var(--f-marca); color: var(--ink); background: var(--sheet); border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 14px; width: 100%; }
input:hover { border-color: var(--gris-claro); }
input:focus-visible { outline: none; border-color: var(--verde); box-shadow: 0 0 0 3px rgba(73, 167, 96, .22); }
button:focus-visible, a:focus-visible { outline: 2px solid var(--verde); outline-offset: 2px; }
.btn { border: 0; border-radius: 999px; padding: 12px 20px; font: 700 15.5px var(--f-marca); cursor: pointer; letter-spacing: .01em; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent-hover); }
button.link { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 0; font: 600 14px var(--f-marca); }
.alt { text-align: left; }
.flash { padding: 10px 14px; border-radius: 10px; font-weight: 600; font-size: 14px; border-left: 4px solid currentColor; }
.flash.ok { background: var(--ok-soft); color: var(--ok); } .flash.error { background: var(--warn-soft); color: var(--warn); }
.login-foot { font-size: 13px; color: var(--ink-3); margin: 6px 0 0; width: min(380px, calc(100vw - 32px)); }
.login-foot a { color: var(--ink-2); font-weight: 600; text-decoration: none; }
.login-foot a:hover { color: var(--accent); text-decoration: underline; }
.qr { background: #fff; padding: 10px; border-radius: 12px; width: 216px; border: 1px solid var(--line); }
.qr svg { display: block; width: 196px; height: 196px; }
code.secret { font-family: var(--f-mono); user-select: all; overflow-wrap: anywhere; }
ol.steps-list { padding-left: 20px; margin: 0; display: grid; gap: 4px; }
ol.steps-list li::marker { color: var(--verde); font-weight: 800; }