/**
 * OFIRA – Login-Seite
 *
 * Tiefe Navy-Buehne mit zwei Primary-Glows und glasmorpher Karte.
 * Themenunabhaengig dunkel als bewusster Brand-Moment.
 * Nutzt ausschliesslich Tokens aus design-system.css.
 */

/* ============================================================
   GRUNDGERUEST – tiefe Navy-Buehne
============================================================ */

body.login-page {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-family-base);
    color: rgba(255, 255, 255, 0.92);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;

    /* Ruhiger diagonaler Verlauf, der die OFIRA-Sidebar-Navy aufnimmt. */
    background:
        linear-gradient(165deg,
            #0a1024 0%,
            #0f172a 55%,
            #0b1226 100%);
    background-attachment: fixed;
}

/* Sehr feiner Noise-Layer ueber dem Verlauf.
   Bricht das Banding (Streifen-Effekt) bei dunklen Gradienten
   auf 8-Bit-Displays auf. Fuer das Auge nicht wahrnehmbar,
   aber die glatten Farbuebergaenge wirken danach sauber. */
body.login-page::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.5;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.55 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    background-size: 220px 220px;
}

/* ============================================================
   AURORA – nur ein Haupt-Glow plus ein dezenter Nebenakzent
============================================================ */

.aurora {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Haupt-Glow: weicher Primary-500-Schein hinter der Karte.
   Atmet sehr langsam – einziges animiertes Element der Seite. */
.aurora__primary {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60rem;
    height: 60rem;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle,
        color-mix(in srgb, var(--color-primary-500) 30%, transparent) 0%,
        color-mix(in srgb, var(--color-primary-600) 12%, transparent) 35%,
        transparent 65%);
    filter: blur(60px);
    animation: auroraBreath 14s ease-in-out infinite;
}

/* Sekundaerer, statischer Akzent oben rechts – sehr subtil. */
.aurora__accent {
    position: absolute;
    top: -8rem;
    right: -6rem;
    width: 26rem;
    height: 26rem;
    border-radius: 50%;
    background: radial-gradient(circle,
        color-mix(in srgb, var(--color-primary-700) 35%, transparent) 0%,
        transparent 70%);
    filter: blur(70px);
    opacity: 0.6;
}

@keyframes auroraBreath {
    0%, 100% { transform: translate(-50%, -50%) scale(1);    opacity: 0.85; }
    50%      { transform: translate(-50%, -50%) scale(1.06); opacity: 1;    }
}

/* ============================================================
   LAYOUT-CONTAINER (zentriert)
============================================================ */

.login-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-10) var(--space-5);
    gap: var(--space-7);
}

/* Wortmarke ueber der Karte – ruhig, ohne Glow. */
.login-brand {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
    user-select: none;
}

.login-brand-mark {
    font-size: clamp(1.875rem, 3.6vw, 2.25rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--tracking-display);
    line-height: 1;
    margin: 0;
    color: rgba(255, 255, 255, 0.95);
}

.login-brand-tld {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: var(--tracking-tight);
}

/* ============================================================
   KARTE – solides Panel, kein schwerer Glasmorphismus
============================================================ */

.login-card {
    position: relative;
    width: 100%;
    max-width: 24rem;
    padding: var(--space-9) var(--space-8);
    border-radius: var(--radius-lg);

    background: rgba(20, 28, 48, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    box-shadow:
        0 1px 0 0 rgba(255, 255, 255, 0.04) inset,
        0 24px 48px -16px rgba(0, 0, 0, 0.45);
}

/* Sehr feine Akzentlinie oben – das einzige farbige Detail. */
.login-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        color-mix(in srgb, var(--color-primary-400) 60%, transparent) 50%,
        transparent 100%);
}

/* Kopf der Karte. */
.login-card-head {
    margin-bottom: var(--space-7);
    text-align: left;
}

.login-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--tracking-heading);
    line-height: var(--line-height-tight);
    margin: 0 0 var(--space-2);
    color: #fff;
}

.login-card-sub {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.50);
    margin: 0;
    line-height: var(--line-height-normal);
}

/* ============================================================
   FORMULAR
============================================================ */

.login-card .form-floating {
    margin-bottom: var(--space-3);
}

.login-card .form-floating > .form-control {
    height: 3.25rem;
    padding: 1.5rem var(--space-3) 0.4rem;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
    transition: border-color var(--duration-fast) var(--ease-out),
                box-shadow   var(--duration-fast) var(--ease-out),
                background   var(--duration-fast) var(--ease-out);
}

.login-card .form-floating > .form-control::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.login-card .form-floating > .form-control:hover {
    border-color: rgba(255, 255, 255, 0.16);
}

.login-card .form-floating > .form-control:focus {
    border-color: var(--color-primary-400);
    background: rgba(15, 23, 42, 0.78);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary-500) 18%, transparent);
}

.login-card .form-floating > label {
    color: rgba(255, 255, 255, 0.40);
    font-weight: var(--font-weight-medium);
    padding: 1rem var(--space-3);
}

.login-card .form-floating > .form-control:focus ~ label,
.login-card .form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: rgba(255, 255, 255, 0.55);
    transform: scale(0.82) translateY(-0.65rem) translateX(0.1rem);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--tracking-wide);
}

/* Autofill in dunkler Optik halten. */
.login-card .form-floating > .form-control:-webkit-autofill,
.login-card .form-floating > .form-control:-webkit-autofill:hover,
.login-card .form-floating > .form-control:-webkit-autofill:focus {
    -webkit-text-fill-color: #fff;
    -webkit-box-shadow: 0 0 0 1000px rgba(15, 23, 42, 0.85) inset;
    caret-color: #fff;
    transition: background-color 9999s ease-in-out 0s;
}

/* Passwort-Toggle. */
.login-password-wrap {
    position: relative;
    margin-bottom: var(--space-5);
}

.login-password-wrap .form-floating {
    margin-bottom: 0;
}

.login-password-wrap .form-floating > .form-control {
    padding-right: 3rem;
}

.login-password-toggle {
    position: absolute;
    top: 50%;
    right: var(--space-2);
    transform: translateY(-50%);
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.40);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out),
                color      var(--duration-fast) var(--ease-out);
    z-index: 5;
}

.login-password-toggle:hover {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.85);
}

.login-password-toggle:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
}

/* Submit-Button — solides Primary, dezent. */
.login-card .btn-primary {
    width: 100%;
    height: 2.875rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--tracking-wide);
    border-radius: var(--radius-md);
    background: var(--color-primary-600);
    border: 1px solid var(--color-primary-600);
    color: #fff;
    box-shadow:
        0 1px 0 0 rgba(255, 255, 255, 0.10) inset,
        0 6px 14px -8px color-mix(in srgb, var(--color-primary-600) 70%, transparent);
    transition: background  var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out),
                transform   var(--duration-fast) var(--ease-out);
}

.login-card .btn-primary:hover:not(:disabled) {
    background: var(--color-primary-500);
    border-color: var(--color-primary-500);
    transform: translateY(-1px);
}

.login-card .btn-primary:active:not(:disabled) {
    transform: translateY(0);
    background: var(--color-primary-700);
    border-color: var(--color-primary-700);
}

.login-card .btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

/* Alerts auf dunklem Grund. */
.login-card .alert {
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    border: 1px solid color-mix(in srgb, var(--color-danger-500) 30%, transparent);
    background: color-mix(in srgb, var(--color-danger-500) 12%, transparent);
    color: var(--color-danger-200);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-5);
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
}

.login-card .alert::before {
    content: "\F33A"; /* bi-exclamation-circle */
    font-family: "bootstrap-icons";
    font-size: 1rem;
    line-height: 1;
    margin-top: 1px;
    flex-shrink: 0;
}

/* Retry-Hinweis. */
.login-retry-info {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.45);
    margin: var(--space-3) 0 0;
    text-align: center;
}

/* ============================================================
   STATUS-ALERTS (Erfolg / Info) auf dunklem Karten-Grund
   Dezente Token-basierte Variante neben dem Default-Danger-Alert.
============================================================ */

.login-card .alert-success {
    border: 1px solid color-mix(in srgb, var(--color-success-500) 35%, transparent);
    background: color-mix(in srgb, var(--color-success-500) 14%, transparent);
    color: var(--color-success-200);
}

.login-card .alert-success::before {
    content: "\F26B"; /* bi-check-circle */
}

/* ============================================================
   2FA-ALTERNATIVEN
   Zentrierter Bereich fuer Backup-Code + E-Mail-Code-Anforderung,
   wenn die Authenticator-App nicht erreichbar ist.
============================================================ */

.login-aux {
    margin-top: var(--space-5);
    text-align: center;
}

/* Toggle "Authenticator nicht erreichbar?" — gut lesbar, mittig. */
.login-aux-toggle {
    background: transparent;
    border: 0;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-300);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: color var(--duration-fast) var(--ease-out),
                background var(--duration-fast) var(--ease-out);
}

.login-aux-toggle:hover,
.login-aux-toggle:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    outline: none;
}

.login-aux-toggle .bi {
    transition: transform var(--duration-fast) var(--ease-out);
}

/* Standardsymbol zeigt nach rechts ("weiter"). Beim Aufklappen dreht
   das Chevron um 90 Grad nach unten, damit klar ist, dass der Bereich
   darunter geoeffnet ist. */
.login-aux-toggle[aria-expanded="true"] .bi {
    transform: rotate(90deg);
}

/* Aufgeklappter Bereich. */
.login-aux-body {
    margin-top: var(--space-4);
    text-align: left;
}

.login-aux-help {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.55);
    line-height: var(--line-height-normal);
    margin: 0 0 var(--space-3);
    text-align: center;
}

/* Sekundaerer Aktions-Button (zb. "Code per E-Mail anfordern"). */
.login-card .btn-secondary-soft {
    width: 100%;
    height: 2.625rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: rgba(255, 255, 255, 0.85);
    transition: background var(--duration-fast) var(--ease-out),
                border-color var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out);
}

.login-card .btn-secondary-soft:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.login-card .btn-secondary-soft:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Trennlinie "oder" zwischen Backup-Code und E-Mail-Anforderung. */
.login-aux-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-4) 0;
    color: rgba(255, 255, 255, 0.35);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

.login-aux-divider::before,
.login-aux-divider::after {
    content: "";
    flex: 1 1 auto;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
}

/* ============================================================
   FUSSZEILE
============================================================ */

.login-foot {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.30);
    letter-spacing: var(--tracking-wide);
    text-align: center;
    margin: 0;
}

/* ============================================================
   MOBILE
============================================================ */

@media (max-width: 480px) {
    .login-shell {
        padding: var(--space-8) var(--space-4);
        gap: var(--space-5);
    }
    .login-card {
        padding: var(--space-8) var(--space-6);
    }
    .aurora__primary {
        width: 36rem;
        height: 36rem;
    }
}

/* ============================================================
   REDUCED MOTION
============================================================ */

@media (prefers-reduced-motion: reduce) {
    .aurora__primary {
        animation: none !important;
    }
}