/* ---------------------------------------------------------------------------
 * STFWorks — sign in / password reset screens.
 * Every selector is scoped under .lgn-root so nothing leaks into the console.
 * Markup: src/mainpage.html (#logindiv, #forgotdiv). Behaviour: stfwLogin.js.
 * ------------------------------------------------------------------------- */
.lgn-root {
    --lgn-brand: #1E5BFF;
    --lgn-brand-strong: #1E5BFF;
    --lgn-brand-deep: #0A1030;
    --lgn-ink: #0f1d2b;
    --lgn-muted: #5b6b7b;
    --lgn-line: #d5dde6;
    --lgn-surface: #ffffff;
    --lgn-canvas: #f3f6f9;
    --lgn-danger: #b42318;
    --lgn-danger-bg: #fef3f2;
    --lgn-info-bg: #EEF2FF;
    --lgn-ring: 0 0 0 4px rgba(30, 91, 255, .25);
    --lgn-radius: 10px;
    --lgn-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    position: fixed;
    inset: 0;
    z-index: 50;
    overflow-y: auto;
    background: var(--lgn-canvas);
    color: var(--lgn-ink);
    font-family: var(--lgn-font);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
.lgn-root *, .lgn-root *::before, .lgn-root *::after { box-sizing: border-box; }

.lgn-shell {
    display: grid;
    grid-template-columns: minmax(320px, 44%) 1fr;
    min-height: 100%;
}

/* ---- brand panel ------------------------------------------------------- */
.lgn-brand {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: #fff;
    background:
        radial-gradient(900px 520px at -15% -10%, rgba(20, 194, 245, .22), transparent 60%),
        radial-gradient(900px 560px at 115% 115%, rgba(139, 60, 246, .38), transparent 60%),
        radial-gradient(700px 500px at 60% 40%, rgba(30, 91, 255, .18), transparent 70%),
        linear-gradient(160deg, #141B4D 0%, #0A1030 55%, #060A1F 100%);
    overflow: hidden;
}
.lgn-brand::after {               /* faint grid texture */
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    pointer-events: none;
}
.lgn-brand-inner { position: relative; z-index: 1; max-width: 360px; }
.lgn-brand-logo {               /* CommandEdge stacked lockup, reverse (for dark) */
    display: block;
    width: 260px;
    height: auto;
    margin: 0 0 18px -14px;       /* the artwork has a little built-in left padding */
}
.lgn-brand-title { font-size: 40px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.lgn-brand-tag { font-size: 18px; opacity: .85; margin-top: 6px; }
.lgn-brand-points { list-style: none; margin: 36px 0 0; padding: 0; }
.lgn-brand-points li {
    position: relative;
    padding: 10px 0 10px 28px;
    font-size: 15px;
    opacity: .9;
    border-top: 1px solid rgba(255, 255, 255, .14);
}
.lgn-brand-points li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 50%;
    width: 8px;
    height: 8px;
    margin-top: -4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .85);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, .15);
}

/* ---- form panel -------------------------------------------------------- */
.lgn-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px 24px;
}
.lgn-card {
    width: 100%;
    max-width: 400px;
    background: var(--lgn-surface);
    border: 1px solid #e3e9ef;
    border-radius: 16px;
    padding: 40px 36px 28px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px -8px rgba(16, 24, 40, .12);
}
.lgn-card-logo { display: none; width: 150px; height: auto; margin: -6px 0 14px -8px; }
.lgn-root .lgn-title {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -.01em;
    color: var(--lgn-ink);
    font-family: var(--lgn-font);
}
.lgn-sub { margin: 6px 0 22px; color: var(--lgn-muted); font-size: 14.5px; }

.lgn-msg {
    margin: 0 0 18px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    background: var(--lgn-info-bg);
    color: var(--lgn-brand-deep);
    border-left: 3px solid var(--lgn-brand);
}
.lgn-msg:empty { display: none; }
.lgn-msg.is-error {
    background: var(--lgn-danger-bg);
    color: var(--lgn-danger);
    border-left-color: var(--lgn-danger);
}

.lgn-form { display: flex; flex-direction: column; }
.lgn-label {
    display: block;
    margin: 0 0 6px;
    font-size: 13.5px;
    font-weight: 600;
    color: #344454;
}
.lgn-root .lgn-input {
    display: block;
    width: 100%;
    height: 44px;
    margin: 0 0 16px;
    padding: 0 14px;
    font: inherit;
    font-size: 15px;
    color: var(--lgn-ink);
    background: #fff;
    border: 1px solid var(--lgn-line);
    border-radius: var(--lgn-radius);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.lgn-root .lgn-input:hover { border-color: #b7c4d1; }
.lgn-root .lgn-input:focus { border-color: var(--lgn-brand); box-shadow: var(--lgn-ring); }

.lgn-pass { position: relative; }
.lgn-pass .lgn-input { padding-right: 68px; }
.lgn-root .lgn-reveal {
    position: absolute;
    right: 6px;
    top: 6px;
    height: 32px;
    padding: 0 10px;
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--lgn-brand-strong);
    background: transparent;
    border: 0;
    border-radius: 6px;
    cursor: pointer;
}
.lgn-root .lgn-reveal:hover { background: var(--lgn-info-bg); }
.lgn-root .lgn-reveal:focus-visible { outline: none; box-shadow: var(--lgn-ring); }

.lgn-caps {
    margin: -8px 0 14px;
    font-size: 13px;
    font-weight: 600;
    color: #b54708;
}
.lgn-caps[hidden] { display: none; }

.lgn-root .lgn-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    height: 46px;
    margin-top: 6px;
    font: inherit;
    font-size: 15.5px;
    font-weight: 600;
    color: #fff;
    background: var(--lgn-brand-strong);
    border: 0;
    border-radius: var(--lgn-radius);
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(16, 24, 40, .1), inset 0 -1px 0 rgba(0, 0, 0, .12);
    transition: background-color .15s, transform .05s, box-shadow .15s;
}
.lgn-root .lgn-btn:hover { background: #1748D6; }
.lgn-root .lgn-btn:active { transform: translateY(1px); }
.lgn-root .lgn-btn:focus-visible { outline: none; box-shadow: var(--lgn-ring); }
.lgn-root .lgn-btn[disabled] { cursor: progress; opacity: .85; }

.lgn-spin {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, .45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: lgn-spin .7s linear infinite;
}
.lgn-btn.is-busy .lgn-spin { display: inline-block; }
@keyframes lgn-spin { to { transform: rotate(360deg); } }

.lgn-row { margin-top: 20px; text-align: center; }
.lgn-root .lgn-link {
    color: var(--lgn-brand-strong);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border-radius: 4px;
}
.lgn-root .lgn-link:hover { text-decoration: underline; }
.lgn-root .lgn-link:focus-visible { outline: none; box-shadow: var(--lgn-ring); }

.lgn-sso {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 46px;
    margin-bottom: 18px;
    border: 1px solid var(--lgn-line);
    border-radius: var(--lgn-radius);
    font-weight: 600;
    cursor: pointer;
}
.lgn-sso img { width: 20px; height: 20px; }
.lgn-sso:hover { background: var(--lgn-canvas); }

.lgn-foot { margin-top: 28px; font-size: 12.5px; color: #8a98a6; }

/* ---- password reset ---------------------------------------------------- */
.lgn-choices:empty { display: none; }
.lgn-choices > div:empty { display: none; }
.lgn-choices { margin: 0 0 8px; }
.lgn-root .lgn-choices .stfw-passreset-choice {       /* clones of #forgotmessage */
    display: block;
    height: auto;
    margin: 0 0 10px;
    padding: 12px 14px;
    line-height: 1.4;
    font-family: var(--lgn-font);
    font-size: 14.5px;
    font-weight: 600;
    color: var(--lgn-ink);
    background: #fff;
    border: 1px solid var(--lgn-line);
    border-left: 1px solid var(--lgn-line);
    border-radius: var(--lgn-radius);
    cursor: pointer;
    transition: border-color .15s, background-color .15s;
}
.lgn-root .lgn-choices .stfw-passreset-choice:hover {
    color: var(--lgn-ink);
    background: var(--lgn-info-bg);
    border-color: var(--lgn-brand);
    padding-left: 14px;
    line-height: 1.4;
    font-size: 14.5px;
}

.lgn-code { margin: 4px 0 8px; }
.lgn-digits { display: flex; gap: 8px; justify-content: space-between; }
.lgn-root .lgn-digit {
    width: 100%;
    max-width: 50px;
    height: 56px;
    padding: 0;
    text-align: center;
    font: inherit;
    font-size: 24px;
    font-weight: 600;
    color: var(--lgn-ink);
    background: #fff;
    border: 1px solid var(--lgn-line);
    border-radius: var(--lgn-radius);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.lgn-root .lgn-digit:focus { border-color: var(--lgn-brand); box-shadow: var(--lgn-ring); }

/* ---- responsive -------------------------------------------------------- */
@media (max-width: 880px) {
    .lgn-shell { grid-template-columns: 1fr; }
    .lgn-brand { display: none; }
    .lgn-card-logo { display: block; }
    .lgn-panel { padding-top: 32px; }
}
@media (max-width: 440px) {
    .lgn-card { padding: 28px 20px 20px; border-radius: 12px; }
}
@media (prefers-reduced-motion: reduce) {
    .lgn-root * { transition: none !important; animation-duration: 1.5s !important; }
}

/* ---------------------------------------------------------------------------
 * Dark theme (html[data-theme="dark"], set by stfwShell.js before first paint)
 * ------------------------------------------------------------------------- */
html[data-theme="dark"] .lgn-root {
    --lgn-ink: #E7EAF6;
    --lgn-muted: #8F98BF;
    --lgn-line: #2C355C;
    --lgn-surface: #0F1530;
    --lgn-canvas: #070B1D;
    --lgn-danger: #FDA29B;
    --lgn-danger-bg: rgba(240, 68, 56, .14);
    --lgn-info-bg: rgba(79, 139, 255, .16);
    --lgn-ring: 0 0 0 4px rgba(79, 139, 255, .35);
    color-scheme: dark;
}
html[data-theme="dark"] .lgn-card { border-color: #222A4D; box-shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px -8px rgba(0,0,0,.6); }
html[data-theme="dark"] .lgn-label { color: #C3C9E3; }
html[data-theme="dark"] .lgn-root .lgn-input,
html[data-theme="dark"] .lgn-root .lgn-digit,
html[data-theme="dark"] .lgn-root .lgn-choices .stfw-passreset-choice { background: #0B1026; color: var(--lgn-ink); border-color: var(--lgn-line); }
html[data-theme="dark"] .lgn-root .lgn-input:hover { border-color: #3A4A8A; }
html[data-theme="dark"] .lgn-msg { color: #C9D6FF; }
html[data-theme="dark"] .lgn-msg.is-error { color: var(--lgn-danger); }
html[data-theme="dark"] .lgn-root .lgn-link,
html[data-theme="dark"] .lgn-root .lgn-reveal { color: #8FB2FF; }
html[data-theme="dark"] .lgn-caps { color: #FDB022; }
html[data-theme="dark"] .lgn-foot { color: #6E77A0; }
html[data-theme="dark"] .lgn-card-logo { content: url("../img/brand/commandedge-reverse.svg"); }

/* v1.51: core SSO provider buttons (stfwSsoRenderProviders) */
.lgn-root .lgn-or { display: flex; align-items: center; gap: 12px; margin: 18px 0 16px; font-size: 12.5px; color: var(--lgn-muted); }
.lgn-root .lgn-or::before, .lgn-root .lgn-or::after { content: ""; flex: 1; height: 1px; background: var(--lgn-line); }
.lgn-root .lgn-or[hidden], .lgn-root .lgn-ssolist[hidden] { display: none; }
.lgn-root .lgn-ssolist { display: grid; gap: 10px; }
.lgn-root .lgn-sso-btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; height: 46px; padding: 0 16px;
    border: 1px solid var(--lgn-line); border-radius: var(--lgn-radius); background: var(--lgn-surface); color: var(--lgn-ink);
    font: 600 15px var(--lgn-font); cursor: pointer; transition: background .12s, border-color .12s, box-shadow .12s; }
.lgn-root .lgn-sso-btn:hover { background: var(--lgn-canvas); border-color: #b9c4d0; }
.lgn-root .lgn-sso-btn:focus-visible { outline: none; box-shadow: var(--lgn-ring); }
.lgn-root .lgn-sso-btn:disabled { cursor: progress; opacity: .7; }
.lgn-root .lgn-sso-btn.is-busy { border-color: var(--lgn-brand); }
.lgn-root .lgn-sso-btn img, .lgn-root .lgn-sso-btn svg { width: 20px; height: 20px; flex: none; object-fit: contain; color: var(--lgn-brand); }
.lgn-root .lgn-sso-btn span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* ?sso=<provider>: hide the form and buttons while the round trip starts; the message stays */
.lgn-root .lgn-card.lgn-autosso > :not(.lgn-card-logo):not(.lgn-title):not(.lgn-msg) { display: none !important; }

/* Password reset: the rule hint under the new password (the server decides; this only says it). */
.lgn-hint { margin: -4px 0 12px; font-size: 12.5px; color: var(--lgn-muted); }
#forgotcode { letter-spacing: .25em; font-variant-numeric: tabular-nums; }