:root {
    --brand: #56a999;
    --brand-hover: #4a9788;
    --brand-active: #3f8578;
    --brand-action: #36766b;
    --brand-action-hover: #2f6f65;
    --brand-soft: #e8f4f1;
    --ink: #212631;
    --muted: #6b7280;
    --canvas: #f8fafc;
    --surface: #ffffff;
    --border: #dbe3ec;
    --context: #e8f4f1;
    --context-soft: #f7fbfa;
    --danger: #b42318;
    --warning-bg: #fff7df;
    --warning-ink: #76510a;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--canvas); }
body { min-height: 100vh; margin: 0; color: var(--ink); background: var(--canvas); font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
button, input { font: inherit; }
::selection { color: #fff; background: var(--brand-action); }
:focus-visible { outline: 3px solid var(--brand-action); outline-offset: 3px; }

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.login-shell { display: grid; min-height: 100vh; grid-template-columns: minmax(22rem, 42%) minmax(0, 1fr); }
.login-context {
    position: relative;
    display: flex;
    min-height: 100vh;
    overflow: hidden;
    padding: clamp(2.25rem, 5vw, 4.75rem);
    flex-direction: column;
    justify-content: space-between;
    color: var(--ink);
    background: radial-gradient(circle at 8% 88%, rgba(86, 169, 153, 0.2), transparent 31rem), linear-gradient(145deg, var(--context-soft), var(--context) 68%);
    box-shadow: inset -1px 0 var(--border);
}
.login-context::after {
    position: absolute;
    width: 28rem;
    height: 28rem;
    top: -13rem;
    right: -14rem;
    border: 1px solid rgba(86, 169, 153, 0.22);
    border-radius: 50%;
    box-shadow: 0 0 0 4rem rgba(86, 169, 153, 0.055), 0 0 0 8rem rgba(86, 169, 153, 0.03);
    content: "";
    pointer-events: none;
}

.login-brand { position: relative; z-index: 1; display: inline-flex; width: fit-content; align-items: center; gap: 0.9rem; color: inherit; text-decoration: none; }
.login-brand-logo { display: block; flex: 0 0 auto; object-fit: contain; filter: drop-shadow(0 3px 6px rgba(33, 38, 49, 0.13)); }
.login-brand-copy { display: grid; gap: 0.1rem; line-height: 1.1; }
.login-brand-copy strong { font-size: 1.2rem; letter-spacing: -0.02em; }
.login-brand-copy small { color: inherit; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.13em; opacity: 0.7; text-transform: uppercase; }

.login-context-copy { position: relative; z-index: 1; max-width: 34rem; margin-block: clamp(4rem, 12vh, 9rem); }
.login-eyebrow { margin: 0 0 0.8rem; color: var(--brand-action); font-size: 0.75rem; font-weight: 750; letter-spacing: 0.14em; text-transform: uppercase; }
.login-context .login-eyebrow { color: var(--brand-action); }
.login-context-copy h2 { max-width: 32rem; margin: 0 0 1.25rem; font-size: clamp(2.2rem, 3.6vw, 3.5rem); line-height: 1.06; letter-spacing: -0.035em; text-wrap: balance; }
.login-context-copy > p:last-child { max-width: 31rem; margin: 0; color: #435069; font-size: clamp(1rem, 1.4vw, 1.15rem); line-height: 1.7; }

.surface-status { position: relative; z-index: 1; display: grid; margin: 0; gap: 0.75rem; }
.surface-status div { display: grid; padding: 0.85rem 0; grid-template-columns: 4rem minmax(0, 1fr); align-items: baseline; gap: 1rem; border-top: 1px solid rgba(33, 38, 49, 0.12); }
.surface-status dt { color: var(--brand-action); font-size: 0.75rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.surface-status dd { margin: 0; color: #435069; font-size: 0.85rem; line-height: 1.5; }

.login-workspace { display: grid; min-height: 100vh; padding: clamp(2rem, 7vw, 7rem); place-items: center; background: var(--surface); }
.mobile-brand { display: none; }
.login-panel { width: min(27rem, 100%); }
.login-header { margin-bottom: 2rem; }
.login-header h1 { margin: 0 0 0.65rem; color: var(--ink); font-size: clamp(2rem, 4vw, 2.6rem); line-height: 1.08; letter-spacing: -0.035em; }
.login-header > p:last-child { margin: 0; color: var(--muted); line-height: 1.6; }

.field-group { margin-bottom: 1rem; }
.field-group > label { display: block; margin-bottom: 0.45rem; color: #374151; font-size: 0.82rem; font-weight: 650; }
.login-input-group { display: grid; min-height: 3rem; overflow: hidden; grid-template-columns: 2.85rem minmax(0, 1fr); border: 1px solid var(--border); border-radius: 0.55rem; background: var(--surface); transition: border-color 150ms ease-out, box-shadow 150ms ease-out; }
.login-input-group-with-action { grid-template-columns: 2.85rem minmax(0, 1fr) auto; }
.login-input-group:focus-within { border-color: var(--brand-action); box-shadow: 0 0 0 3px rgba(86, 169, 153, 0.18); }
.login-input-group:has(input[aria-invalid="true"]) { border-color: var(--danger); }
.login-input-icon { display: grid; place-items: center; color: var(--brand-action); background: var(--brand-soft); }
.login-input-icon svg { width: 1.05rem; height: 1.05rem; fill: currentColor; }
.login-input-group input { width: 100%; min-width: 0; padding: 0.72rem 0.85rem; border: 0; outline: 0; color: var(--ink); background: transparent; caret-color: var(--brand-action); }
.login-input-group input::placeholder { color: #5f6b80; opacity: 1; }
.password-visibility-toggle { display: grid; width: 3rem; min-height: 3rem; padding: 0; place-items: center; border: 0; border-inline-start: 1px solid var(--border); color: var(--brand-action); background: var(--surface); cursor: pointer; }
.password-visibility-toggle svg { width: 1.2rem; height: 1.2rem; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; }
.password-visibility-toggle [data-password-visibility-icon="hide"] { display: none; }
.password-visibility-toggle[aria-pressed="true"] [data-password-visibility-icon="show"] { display: none; }
.password-visibility-toggle[aria-pressed="true"] [data-password-visibility-icon="hide"] { display: block; }
.password-visibility-toggle:hover { background: var(--brand-soft); }
.password-visibility-toggle:focus-visible { outline-width: 2px; outline-offset: -3px; }

.field-error { display: block; min-height: 1rem; margin-top: 0.28rem; color: var(--danger); font-size: 0.75rem; line-height: 1.3; }
.validation-summary { margin-bottom: 1rem; color: var(--danger); font-size: 0.82rem; line-height: 1.45; }
.validation-summary:empty { display: none; }
.validation-summary ul { margin: 0; padding: 0; list-style: none; }
.notice { margin-bottom: 1rem; padding: 0.85rem 0.95rem; border-radius: 0.5rem; font-size: 0.82rem; line-height: 1.45; }
.notice-warning { color: var(--warning-ink); background: var(--warning-bg); }

.login-submit { display: inline-flex; width: 100%; min-height: 3.05rem; margin-top: 0.25rem; padding: 0.72rem 1.1rem; align-items: center; justify-content: center; gap: 0.65rem; border: 1px solid var(--brand-action); border-radius: 0.55rem; color: #fff; background: var(--brand-action); box-shadow: 0 8px 20px rgba(54, 118, 107, 0.2); font-weight: 700; cursor: pointer; transition: transform 150ms ease-out, background-color 150ms ease-out, border-color 150ms ease-out, box-shadow 150ms ease-out; }
.login-submit:hover { border-color: var(--brand-action-hover); background: var(--brand-action-hover); box-shadow: 0 10px 24px rgba(47, 111, 101, 0.25); transform: translateY(-1px); }
.login-submit:active { border-color: var(--brand-active); background: var(--brand-active); box-shadow: 0 4px 12px rgba(47, 111, 101, 0.2); transform: translateY(0); }
.login-submit:disabled { border-color: var(--brand-action); background: var(--brand-action); box-shadow: none; cursor: wait; opacity: 0.78; transform: none; }
.login-submit svg { width: 1.15rem; height: 1.15rem; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.login-submit-spinner { display: none; width: 1rem; height: 1rem; border: 2px solid rgba(255, 255, 255, 0.45); border-top-color: #fff; border-radius: 50%; animation: login-spinner 700ms linear infinite; }
.login-submit.is-pending .login-submit-spinner { display: inline-block; }
.login-submit.is-pending [data-login-submit-icon] { display: none; }
.login-help { margin: 1.15rem 0 0; color: var(--muted); font-size: 0.82rem; line-height: 1.55; text-align: center; }

@keyframes login-spinner { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
    .login-shell { display: block; background: var(--surface); }
    .login-context { display: none; }
    .login-workspace { min-height: 100vh; padding: clamp(1.25rem, 7vw, 3rem); align-content: center; place-items: stretch; }
    .mobile-brand { display: inline-flex; width: fit-content; margin: 0 auto 3.5rem; align-items: center; gap: 0.7rem; color: var(--ink); }
    .mobile-brand .login-brand-logo { padding: 0.3rem; border: 1px solid var(--border); border-radius: 0.7rem; background: #fff; box-shadow: 0 5px 14px rgba(33, 38, 49, 0.1); }
    .mobile-brand .login-brand-copy strong { font-size: 1.05rem; }
    .mobile-brand .login-brand-copy small { color: var(--muted); }
    .login-panel { margin-inline: auto; }
}

@media (max-width: 520px) {
    .login-workspace { padding: 1.25rem; align-content: start; }
    .mobile-brand { margin-top: 5vh; margin-bottom: 2.75rem; }
    .login-header { margin-bottom: 1.6rem; }
}

@media (forced-colors: active) { .login-input-group, .login-submit, .notice { border: 1px solid CanvasText; } }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
    .login-submit-spinner { animation: none; }
}