:root {
    --bg: #0d1117;
    --panel: #151b24;
    --panel-2: #1b2430;
    --line: #2a3544;
    --text: #eef4fb;
    --muted: #9fb0c3;
    --accent: #e0ad55;
    --accent-dark: #9d6c23;
    --success: #36c98f;
    --danger: #f06e78;
    --warning: #efc05f;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 20% 10%, rgba(224, 173, 85, .12), transparent 32%),
        radial-gradient(circle at 80% 90%, rgba(37, 107, 154, .13), transparent 35%),
        var(--bg);
}
a { color: #f3c978; }
button, input { font: inherit; }
.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}
.auth-card {
    width: min(520px, 100%);
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(27,36,48,.98), rgba(18,24,33,.98));
    box-shadow: 0 28px 80px rgba(0,0,0,.38);
}
.auth-card--wide { width: min(680px, 100%); }
.auth-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    align-items: start;
    margin-bottom: 24px;
}
.brand-mark {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: #191109;
    background: linear-gradient(180deg, #f0c875, #b97a24);
    font-size: 1.4rem;
    box-shadow: 0 12px 24px rgba(0,0,0,.25);
}
.eyebrow {
    margin: 0 0 7px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .14em;
    font-weight: 700;
    font-size: .76rem;
}
h1 { margin: 0 0 10px; font-size: clamp(1.8rem, 5vw, 2.5rem); }
.auth-header p:last-child { margin: 0; color: var(--muted); line-height: 1.6; }
.auth-form { display: grid; gap: 12px; }
.auth-form label { font-weight: 700; }
.auth-form input {
    width: 100%;
    padding: 15px 16px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #0d131b;
    color: var(--text);
    outline: none;
}
.auth-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(224,173,85,.09); }
.primary-button, .telegram-button {
    border: 0;
    border-radius: 13px;
    padding: 14px 18px;
    font-weight: 800;
    cursor: pointer;
    color: #1b1208;
    background: linear-gradient(180deg, #efc36f, #c88c32);
    text-align: center;
    text-decoration: none;
}
.primary-button:disabled { opacity: .58; cursor: wait; }
.link-button {
    border: 0;
    background: transparent;
    color: #d8bb83;
    padding: 8px;
    cursor: pointer;
}
.notice {
    padding: 13px 15px;
    margin-bottom: 18px;
    border-radius: 13px;
    line-height: 1.5;
    border: 1px solid var(--line);
    background: #111923;
}
.notice--error { border-color: rgba(240,110,120,.45); color: #ffbdc3; }
.notice--success { border-color: rgba(54,201,143,.45); color: #a7f1d2; }
.notice--info { border-color: rgba(239,192,95,.4); color: #f3d99f; }
.auth-footer {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    color: var(--muted);
}
.helper { margin: 0; color: var(--muted); line-height: 1.5; }
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 22px;
}
.steps span {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: var(--muted);
    background: rgba(255,255,255,.02);
}
.steps b { color: var(--accent); margin-right: 5px; }
.telegram-step {
    display: grid;
    gap: 14px;
    margin-top: 20px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255,255,255,.025);
}
.telegram-step p { margin: 0; }
@media (max-width: 620px) {
    .auth-page { padding: 12px; }
    .auth-card { padding: 22px; border-radius: 18px; }
    .auth-header { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
}

/* Acceso ROOT y Telegram */
.access-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 20px;padding:6px;border:1px solid var(--line);border-radius:15px;background:#0f151d}
.access-tab{border:0;border-radius:11px;padding:12px 14px;background:transparent;color:var(--muted);font-weight:750;cursor:pointer}
.access-tab.is-active{background:linear-gradient(180deg,#283445,#202a38);color:var(--text);box-shadow:0 8px 18px rgba(0,0,0,.18)}
.access-panel{display:none}
.access-panel.is-active{display:block}
.root-notice{margin-bottom:18px;padding:16px;border:1px solid rgba(224,173,85,.24);border-radius:14px;background:rgba(224,173,85,.06)}
.root-notice strong{display:block;margin-bottom:7px;color:#f0c875}
.root-notice p{margin:0;color:var(--muted);line-height:1.55}
@media(max-width:520px){.access-tabs{grid-template-columns:1fr}}

/* V6.2: guía integrada, tres pestañas y acceso responsive */
.access-tabs--three{grid-template-columns:repeat(3,1fr)}
.login-static-notice{display:flex;justify-content:space-between;gap:12px;align-items:center}
.login-static-notice a{white-space:nowrap;font-weight:800}
.telegram-guide h2{margin:4px 0 12px;font-size:1.55rem}
.telegram-guide ol{margin:0;padding-left:22px;color:var(--muted);line-height:1.65}
.telegram-guide li{margin:10px 0}
.help-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.secondary-button{display:inline-flex;align-items:center;justify-content:center;padding:14px 18px;border:1px solid var(--line);border-radius:13px;background:#0f151d;color:var(--text);font-weight:800;text-decoration:none}
@media(max-width:680px){.access-tabs--three{grid-template-columns:1fr}.login-static-notice{display:grid}.help-actions{display:grid}.secondary-button,.telegram-button{width:100%}}
@media(orientation:landscape) and (max-height:520px){.auth-page{place-items:start center}.auth-card{margin:8px 0}.auth-header{margin-bottom:16px}}