:root {
    color-scheme: dark;
    --portal-bg: #07111f;
    --portal-surface: #111f33;
    --portal-surface-2: #0c192b;
    --portal-line: #263a56;
    --portal-text: #f8fafc;
    --portal-muted: #9fb2ce;
    --portal-accent: #5fd3f5;
    --portal-success: #6ee7b7;
    --portal-danger: #fecaca;
}

.portal-login-page * { box-sizing: border-box; }
.portal-login-page {
    min-width: 320px;
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    overflow-x: hidden;
    color: var(--portal-text);
    background:
        radial-gradient(circle at 15% 15%, rgba(56, 189, 248, .12), transparent 32%),
        radial-gradient(circle at 85% 85%, rgba(30, 58, 95, .55), transparent 38%),
        var(--portal-bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
.portal-login-page::before,
.portal-login-page::after {
    position: fixed;
    z-index: 0;
    width: 280px;
    height: 280px;
    border: 1px solid rgba(95, 211, 245, .08);
    border-radius: 50%;
    content: '';
    pointer-events: none;
}
.portal-login-page::before { top: -170px; right: -100px; }
.portal-login-page::after { bottom: -190px; left: -90px; }
.portal-login-shell {
    position: relative;
    z-index: 1;
    display: grid;
    min-height: 100vh;
    min-height: 100dvh;
    place-content: center;
    width: min(100%, 520px);
    margin: 0 auto;
    padding: max(24px, env(safe-area-inset-top)) 18px max(24px, env(safe-area-inset-bottom));
}
.portal-login-card {
    width: min(100%, 440px);
    margin: auto;
    padding: 30px;
    border: 1px solid var(--portal-line);
    border-radius: 22px;
    background: linear-gradient(155deg, rgba(17, 31, 51, .98), rgba(10, 22, 38, .98));
    box-shadow: 0 28px 80px rgba(0, 0, 0, .35);
}
.portal-login-brand { margin-bottom: 26px; font-size: 22px; font-weight: 900; letter-spacing: -.04em; text-align: center; }
.portal-login-brand span { color: var(--portal-accent); }
.portal-login-icon {
    display: grid;
    width: 58px;
    height: 58px;
    margin: 0 auto 18px;
    place-items: center;
    border: 1px solid rgba(95, 211, 245, .3);
    border-radius: 17px;
    color: var(--portal-accent);
    background: rgba(95, 211, 245, .08);
}
.portal-login-icon svg { width: 31px; height: 31px; }
.portal-login-notice { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 17px; padding: 12px 13px; border: 1px solid rgba(252, 165, 165, .35); border-radius: 12px; color: var(--portal-danger); background: rgba(220, 38, 38, .12); font-size: 13px; line-height: 1.45; }
.portal-login-notice.ok { border-color: rgba(110, 231, 183, .3); color: #a7f3d0; background: rgba(5, 150, 105, .12); }
.portal-login-notice svg { flex: 0 0 20px; width: 20px; margin-top: 1px; }
.portal-login-form { display: grid; gap: 16px; }
.portal-login-field label { display: block; margin-bottom: 7px; color: #dbeafe; font-size: 13px; font-weight: 800; }
.portal-input-wrap { position: relative; display: flex; align-items: center; }
.portal-input-wrap > svg { position: absolute; left: 13px; width: 20px; height: 20px; color: var(--portal-muted); pointer-events: none; }
.portal-input-wrap input {
    width: 100%;
    min-width: 0;
    min-height: 50px;
    border: 1px solid #355071;
    border-radius: 12px;
    padding: 11px 13px 11px 43px;
    color: var(--portal-text);
    background: #081525;
    font: 16px Inter, ui-sans-serif, system-ui, sans-serif;
    transition: border-color .18s ease, box-shadow .18s ease;
}
.portal-input-wrap input[name="password"] { padding-right: 91px; }
.portal-input-wrap input:hover { border-color: #4b6d94; }
.portal-input-wrap input:focus { border-color: var(--portal-accent); outline: 0; box-shadow: 0 0 0 3px rgba(95, 211, 245, .18); }
.portal-password-toggle {
    position: absolute;
    right: 6px;
    min-width: 78px;
    min-height: 38px;
    border: 0;
    border-radius: 9px;
    color: var(--portal-accent);
    background: transparent;
    font: 800 12px Inter, ui-sans-serif, system-ui, sans-serif;
    cursor: pointer;
    touch-action: manipulation;
}
.portal-password-toggle:hover { background: rgba(95, 211, 245, .09); }
.portal-password-toggle:focus-visible,
.portal-login-submit:focus-visible,
.portal-logout-floating:focus-visible,
.portal-logout-link:focus-visible { outline: 3px solid var(--portal-accent); outline-offset: 3px; }
.portal-login-submit {
    min-height: 50px;
    margin-top: 2px;
    border: 0;
    border-radius: 12px;
    color: #06111d;
    background: linear-gradient(135deg, var(--portal-accent), #67e8f9);
    font: 900 15px Inter, ui-sans-serif, system-ui, sans-serif;
    cursor: pointer;
    touch-action: manipulation;
    transition: filter .18s ease, box-shadow .18s ease;
}
.portal-login-submit:hover { filter: brightness(1.07); box-shadow: 0 10px 30px rgba(95, 211, 245, .13); }
.portal-login-submit:active { filter: brightness(.96); }
.portal-login-shell footer { margin-top: 18px; color: var(--portal-muted); font-size: 11px; line-height: 1.5; text-align: center; }
.portal-logout-link { color: #fecaca !important; }
.portal-logout-floating {
    position: fixed;
    z-index: 40;
    top: max(14px, env(safe-area-inset-top));
    right: max(14px, env(safe-area-inset-right));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 9px 14px;
    border: 1px solid rgba(252, 165, 165, .28);
    border-radius: 11px;
    color: #fecaca;
    background: rgba(12, 25, 43, .93);
    font: 800 13px Inter, ui-sans-serif, system-ui, sans-serif;
    text-decoration: none;
    box-shadow: 0 12px 35px rgba(0, 0, 0, .22);
}
.portal-logout-floating:hover { background: #182a42; }
@media (max-width: 480px) {
    .portal-login-shell { padding-right: 12px; padding-left: 12px; }
    .portal-login-card { padding: 23px 19px; border-radius: 18px; }
    .portal-login-brand { margin-bottom: 21px; }
}
@media (max-height: 650px) and (orientation: landscape) {
    .portal-login-shell { display: block; width: min(100%, 520px); }
    .portal-login-card { margin: 0 auto; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}