/* Portal de clientes de IoTeXa — misma paleta que el sitio y el panel. */
:root {
  --brand: #ff6f0f;
  --brand-deep: #d95a05;
  --accent: #ff6f0f;
  --petrol: #001d23;
  --petrol-2: #0a3a44;
  --teal: #1cbbb4;
  --ink: #0b1f24;
  --ink-soft: #33464b;
  --muted: #6b7c81;
  --line: #dfe5e6;
  --canvas: #f2f5f5;
  --surface: #ffffff;
  --surface-2: #f7f9f9;
  --good: #1d7a4a; --good-pale: #e6f5ec;
  --danger: #b52c2c; --danger-pale: #fdecec;
  --radius: 16px;
  --shadow: 0 14px 40px rgba(0, 29, 35, .10);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e8eef0; --ink-soft: #b8c6ca; --muted: #8a9ba0; --line: #22343a;
    --canvas: #0b1a1e; --surface: #10242a; --surface-2: #142b31;
    --good-pale: #123324; --danger-pale: #3a1616;
    --shadow: 0 14px 40px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #e8eef0; --ink-soft: #b8c6ca; --muted: #8a9ba0; --line: #22343a;
  --canvas: #0b1a1e; --surface: #10242a; --surface-2: #142b31;
  --good-pale: #123324; --danger-pale: #3a1616;
  --shadow: 0 14px 40px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 16px/1.6 Inter, "Segoe UI", system-ui, sans-serif; min-height: 100vh; display: flex; flex-direction: column; }
h1, h2, h3, h4 { font-family: Saira, "Trebuchet MS", sans-serif; letter-spacing: -.02em; line-height: 1.15; margin: 0 0 .5em; color: var(--ink); }
h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.8rem); }
h3 { font-size: 1.12rem; }
h4 { font-size: 1rem; margin-top: 1.4em; }
p { margin: 0 0 1em; }
a { color: var(--brand-deep); }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.center { text-align: center; }
.kicker { font-family: Saira, sans-serif; font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin: 0 0 .4em; }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
.wrap.narrow { width: min(560px, 100% - 32px); }
.main { flex: 1; padding: 24px 0 48px; }
.block { margin-top: 44px; }

/* Cabecera y pie */
.top { background: var(--petrol); background: linear-gradient(135deg, var(--petrol-2), var(--petrol) 60%); color: #cfe0e4; border-bottom: 3px solid var(--brand); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { text-decoration: none; font-family: Saira, sans-serif; font-weight: 700; font-size: 1.5rem; letter-spacing: -.03em; color: #fff; display: flex; align-items: baseline; gap: 0; }
.brand small { margin-left: 10px; }
.brand-io { color: var(--brand); }
.brand-exa { color: #fff; }
.brand small { font: 500 .72rem/1 Inter, sans-serif; letter-spacing: .14em; text-transform: uppercase; color: #7fd9d3; }
.top-nav { display: flex; align-items: center; gap: 8px; }
.top-user { color: #cfe0e4; font-size: .9rem; margin-right: 6px; }
form.inline { display: inline; margin: 0; }
.foot { background: var(--petrol); color: #9db9be; font-size: .85rem; padding: 26px 0; border-top: 1px solid var(--brand); margin-top: auto; }
.foot strong { color: #fff; }
.foot-in { display: grid; gap: 8px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.foot a { color: #cfe0e4; }
.foot-note { color: #6fb6b3; font-size: .78rem; }

/* Botones y formularios */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: 600 .95rem Inter, sans-serif; padding: 10px 18px; border-radius: 10px; cursor: pointer; text-decoration: none; transition: .15s; }
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-deep); }
.btn.ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.28); }
.btn.ghost:hover { border-color: #fff; }
.btn.small { padding: 7px 12px; font-size: .85rem; }
.btn.big { padding: 14px 24px; font-size: 1.05rem; width: 100%; }
.btn:disabled { opacity: .6; cursor: default; }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-size: .9rem; font-weight: 500; color: var(--ink-soft); }
.form input:not([type=file]), .form textarea, .form select { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); font: 1rem Inter, sans-serif; }
.form textarea { resize: vertical; min-height: 60px; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.form .two { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.form .row { display: flex; align-items: center; gap: 12px; }
.form.guide { padding: 10px 0; border-top: 1px dashed var(--line); }
.form.guide:first-of-type { border-top: 0; }
.form input.code { font: 700 2rem/1 Saira, monospace; letter-spacing: .4em; text-align: center; padding: 14px; }
.file-input input[type=file] { font-size: .9rem; }
.file-name { font-style: normal; color: var(--brand-deep); font-size: .85rem; }
.tabs { display: flex; gap: 4px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 4px; width: fit-content; }
.tabs button { border: 0; background: transparent; padding: 7px 14px; border-radius: 8px; font: 600 .88rem Inter, sans-serif; color: var(--muted); cursor: pointer; }
.tabs button.active { background: var(--surface); color: var(--ink); box-shadow: 0 1px 4px rgba(0,0,0,.08); }
[hidden] { display: none !important; }

/* Tarjetas */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card.soft { background: var(--surface-2); box-shadow: none; }
.card.auth { margin-top: 28px; }
.card.auth + .card { margin-top: 18px; }
.card.auth h1 { margin-bottom: .3em; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.two-col { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.chip { display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 2px 9px; color: var(--muted); }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.list li { border-top: 1px solid var(--line); padding-top: 8px; font-size: .92rem; }
.list time { display: block; }
.flash { margin-top: 18px; padding: 12px 16px; border-radius: 10px; font-weight: 500; border: 1px solid; transition: opacity .5s; }
.flash.ok { background: var(--good-pale); color: var(--good); border-color: rgba(29,122,74,.25); }
.flash.error { background: var(--danger-pale); color: var(--danger); border-color: rgba(181,44,44,.25); }
.flash.hide { opacity: 0; }

/* Landing */
.hero { background: var(--petrol); background: radial-gradient(1200px 400px at 10% -10%, rgba(28,187,180,.28), transparent 60%), linear-gradient(135deg, var(--petrol-2), var(--petrol) 60%); color: #dbe8ea; padding: 48px 0 40px; margin-top: -24px; border-bottom: 4px solid var(--accent); }
.hero .kicker { color: #7fd9d3; }
.hero h1 { color: #fff; }
.hero-brand { display: flex; align-items: center; gap: 22px; margin-bottom: 18px; }
.hero-logo { max-height: 72px; max-width: 200px; background: #fff; padding: 8px 12px; border-radius: 12px; object-fit: contain; }
.hero-mono { width: 72px; height: 72px; border-radius: 16px; background: var(--accent); color: #fff; font: 700 1.6rem Saira, sans-serif; display: grid; place-items: center; flex: none; }
.hero-lead { font-size: 1.15rem; color: #fff; font-weight: 500; }
.hero-text { max-width: 720px; font-size: 1.02rem; }
.hero-text a { color: #7fd9d3; }
.hero-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.badge { font: 600 .74rem Inter, sans-serif; letter-spacing: .1em; text-transform: uppercase; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: 5px 12px; color: #fff; }
.card.find { position: relative; padding-top: 30px; }
.card.find .num { position: absolute; top: -14px; left: 20px; width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: #fff; font: 700 .95rem Saira, sans-serif; display: grid; place-items: center; }
.card.plan { border-top: 4px solid var(--accent); }
.card .time { margin: 10px 0 0; font: 600 .82rem Inter, sans-serif; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.text > :last-child { margin-bottom: 0; }
.shots { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin: 12px 0 18px; }
.shot { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { padding: 8px 12px; font-size: .85rem; color: var(--muted); }
.cta { border: 2px solid var(--accent); }
.cta h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
.interest { margin-top: 18px; }
.sign { border-top: 1px solid var(--line); padding-top: 24px; }
.signature { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: end; }

/* Espacio del cliente */
.space-head { display: flex; justify-content: space-between; gap: 16px; align-items: start; flex-wrap: wrap; margin-top: 8px; }
.space-head .btn.ghost { color: var(--ink); border-color: var(--line); }
.subnav { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; position: sticky; top: 0; background: var(--canvas); padding: 8px 0; z-index: 5; }
.subnav a { text-decoration: none; font: 600 .85rem Inter, sans-serif; color: var(--ink-soft); background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 6px 13px; }
.subnav a b { color: var(--brand); }
.subnav a:hover { border-color: var(--brand); }
.prose { line-height: 1.7; }
.prose h2, .prose h3, .prose h4 { margin-top: 1.4em; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose blockquote { border-left: 4px solid var(--brand); margin: 1em 0; padding: 6px 14px; background: var(--surface-2); border-radius: 0 10px 10px 0; }
.prose code { background: var(--surface-2); padding: 1px 6px; border-radius: 5px; font-size: .9em; }
.thread { display: grid; gap: 12px; margin: 16px 0 18px; }
.msg { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; max-width: 820px; }
.msg.iotexa { border-left: 4px solid var(--brand); }
.msg.cliente { border-left: 4px solid var(--teal); margin-left: auto; }
.msg header { display: flex; justify-content: space-between; gap: 12px; font-size: .85rem; color: var(--muted); margin-bottom: 6px; }
.msg header strong { color: var(--ink); }
.msg .text > :last-child { margin-bottom: 0; }
.msg .file { display: inline-block; margin-top: 8px; font-size: .88rem; }

@media (max-width: 640px) {
  .form .two { grid-template-columns: 1fr; }
  .top-in { min-height: 56px; }
  .brand { font-size: 1.3rem; }
  .brand small { display: none; }
  .hero { padding: 32px 0 28px; }
  .hero-brand { gap: 14px; }
  .card { padding: 18px; }
  .msg.cliente { margin-left: 0; }
  .signature { flex-direction: column; align-items: start; }
}

/* Administración del portal (equipo IoTeXa) */
.row-space { display: flex; justify-content: space-between; gap: 16px; align-items: center; text-decoration: none; color: inherit; padding: 16px 20px; }
.row-space:hover { border-color: var(--brand); }
.row-space .right { text-align: right; flex: none; }
.chip.st-enviado { background: #e6f0fb; color: #1d4f8a; border-color: transparent; }
.chip.st-abierto { background: #fff3e3; color: #b9640c; border-color: transparent; }
.chip.st-interesado, .chip.st-activo { background: var(--good-pale); color: var(--good); border-color: transparent; }
.chip.st-cerrado, .chip.st-caducado { background: var(--danger-pale); color: var(--danger); border-color: transparent; }
.chip.warn { background: #fff3e3; color: #b9640c; border-color: transparent; }
.subnav a.on { border-color: var(--brand); color: var(--brand-deep); }
.secret { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); margin: 6px 0 14px; }
.secret code { flex: 1; overflow-wrap: anywhere; font-size: .95rem; }
.secret code.big { font-size: 1.8rem; letter-spacing: .3em; font-weight: 700; }
.secret.msg { display: block; white-space: pre-wrap; font-size: .92rem; }
.row.wrap-row { flex-wrap: wrap; margin-top: 10px; }
.row.wrap-row form { margin: 0; }
.check-row { display: flex !important; flex-direction: row !important; align-items: center; gap: 8px; }
.check-row input { width: auto !important; }
body.admin .top { border-bottom-color: var(--teal); }