/**
 * Admin login redesign (BIT-28872)
 * Overrides legacy purple/glass styles from bootstrap*.css + app.css.
 * Theme variants: body.nv-login--light | body.nv-login--dark
 */

/* -------------------------------------------------------------------------
   Page shell
   ------------------------------------------------------------------------- */
body.authentication-bg.authentication-bg-pattern.nv-login {
    --nv-login-field-bg: var(--nv-login-surface-muted);
    --nv-login-field-border: var(--nv-login-border);
    --nv-login-field-text: var(--nv-login-ink);
    --nv-login-field-placeholder: #94a3b8;
    --nv-login-label: #334155;
    --nv-login-title: var(--nv-login-ink);
    --nv-login-subtitle: var(--nv-login-ink-muted);
    --nv-login-card-bg: var(--nv-login-surface);
    --nv-login-card-border: rgba(15, 23, 42, 0.06);
    --nv-login-card-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);

    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden;
    overflow-y: auto;
    font-family: var(--nv-font-sans);
    color: var(--nv-login-field-text);
    background-color: var(--nv-login-page-from);
    background-image:
        radial-gradient(1200px 600px at 12% -10%, rgba(var(--nv-primary-rgb), 0.18), transparent 55%),
        radial-gradient(900px 500px at 100% 0%, rgba(47, 79, 208, 0.12), transparent 50%),
        linear-gradient(160deg, var(--nv-login-page-from) 0%, var(--nv-login-page-to) 100%);
    background-blend-mode: normal;
    background-size: auto;
    background-position: center;
}

body.authentication-bg.authentication-bg-pattern.nv-login.nv-login--dark {
    --nv-login-ink: #f8fafc;
    --nv-login-ink-muted: #94a3b8;
    --nv-login-surface: #111827;
    --nv-login-surface-muted: #1f2937;
    --nv-login-border: #334155;
    --nv-login-brand-from: #020617;
    --nv-login-brand-to: #0f172a;
    --nv-login-page-from: #020617;
    --nv-login-page-to: #0b1220;
    --nv-login-field-bg: rgba(255, 255, 255, 0.04);
    --nv-login-field-border: rgba(148, 163, 184, 0.35);
    --nv-login-field-text: #f1f5f9;
    --nv-login-field-placeholder: rgba(226, 232, 240, 0.45);
    --nv-login-label: #cbd5e1;
    --nv-login-title: #f8fafc;
    --nv-login-subtitle: #94a3b8;
    --nv-login-card-bg: rgba(17, 24, 39, 0.92);
    --nv-login-card-border: rgba(148, 163, 184, 0.18);
    --nv-login-card-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);

    background-image:
        radial-gradient(1000px 520px at 10% -15%, rgba(var(--nv-primary-rgb), 0.28), transparent 55%),
        radial-gradient(800px 420px at 90% 10%, rgba(47, 79, 208, 0.2), transparent 50%),
        linear-gradient(160deg, var(--nv-login-page-from) 0%, var(--nv-login-page-to) 100%);
}

.nv-login-shell {
    flex: 1 1 auto;
    width: 100%;
    max-width: 1040px;
    margin: auto;
    padding: max(1.5rem, env(safe-area-inset-top, 0px)) 1.25rem calc(1.25rem + env(safe-area-inset-bottom, 0px));
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    align-items: stretch;
}

@media (min-width: 900px) {
    .nv-login-shell {
        grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
        min-height: min(640px, calc(100dvh - 5rem));
        border-radius: 1.5rem;
        overflow: hidden;
        box-shadow: var(--nv-login-card-shadow);
        border: 1px solid var(--nv-login-card-border);
        background: var(--nv-login-card-bg);
        padding: 0;
    }
}

/* -------------------------------------------------------------------------
   Brand panel
   ------------------------------------------------------------------------- */
.nv-login-brand {
    display: none;
    position: relative;
    color: #f8fafc;
    background:
        linear-gradient(155deg, rgba(var(--nv-primary-rgb), 0.35) 0%, transparent 42%),
        linear-gradient(180deg, var(--nv-login-brand-from) 0%, var(--nv-login-brand-to) 100%);
    padding: 2.5rem 2.25rem;
}

.nv-login-brand::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 85%);
    pointer-events: none;
}

.nv-login-brand__inner {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    max-width: 22rem;
}

.nv-login-brand__logo {
    display: block;
    width: auto;
    max-width: 11rem;
    max-height: 4.5rem;
    height: auto;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.nv-login-brand__name {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.nv-login-brand__tagline {
    margin: 0;
    font-size: 0.975rem;
    line-height: 1.55;
    color: rgba(226, 232, 240, 0.82);
}

@media (min-width: 900px) {
    .nv-login-brand {
        display: flex;
    }
}

/* -------------------------------------------------------------------------
   Form panel
   ------------------------------------------------------------------------- */
.nv-login-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0;
}

.nv-login-panel__card {
    width: 100%;
    max-width: 28rem;
    margin: 0 auto;
    background: var(--nv-login-card-bg);
    border: 1px solid var(--nv-login-card-border);
    border-radius: 1.25rem;
    box-shadow: var(--nv-login-card-shadow);
    padding: 1.75rem 1.5rem 1.5rem;
}

@media (min-width: 900px) {
    .nv-login-panel {
        padding: 2.5rem 2.25rem;
        background: transparent;
    }

    .nv-login-panel__card {
        max-width: 24.5rem;
        margin: 0;
        border: none;
        border-radius: 0;
        box-shadow: none;
        background: transparent;
        padding: 0;
    }
}

.nv-login-mobile-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.65rem;
    margin-bottom: 1.5rem;
}

.nv-login-mobile-brand__logo {
    width: auto;
    max-width: 9.5rem;
    max-height: 3.75rem;
    height: auto;
    object-fit: contain;
}

@media (min-width: 900px) {
    .nv-login-mobile-brand {
        display: none;
    }
}

.nv-login-panel__header {
    margin-bottom: 1.5rem;
}

.nv-login-panel__title,
.auth-title {
    margin: 0 0 0.4rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    text-align: left;
    color: var(--nv-login-title) !important;
    text-shadow: none;
    text-transform: none;
    background: transparent;
    border: none;
    padding: 0;
}

.nv-login-panel__subtitle,
.login-page-subtitle {
    margin: 0;
    font-size: 0.925rem;
    line-height: 1.5;
    color: var(--nv-login-subtitle);
    text-align: left;
    max-width: none;
}

/* -------------------------------------------------------------------------
   Alerts
   ------------------------------------------------------------------------- */
.nv-login-alerts {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.nv-login .alert {
    margin: 0;
    border: 1px solid transparent;
    border-radius: var(--nv-radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    line-height: 1.45;
}

.nv-login .alert-danger {
    color: #7f1d1d;
    background: #fef2f2;
    border-color: #fecaca;
}

.nv-login.nv-login--dark .alert-danger {
    color: #fecaca;
    background: rgba(244, 106, 106, 0.12);
    border-color: rgba(244, 106, 106, 0.35);
}

.nv-login .alert .close {
    color: inherit;
    opacity: 0.7;
    text-shadow: none;
}

/* -------------------------------------------------------------------------
   Form controls
   ------------------------------------------------------------------------- */
.nv-login .form-group {
    margin-bottom: 1.1rem;
}

.nv-login .label-login,
.nv-login label.label-login {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--nv-login-label) !important;
}

.nv-login .input-group-login {
    position: relative;
    display: flex;
    align-items: stretch;
}

.nv-login .input-group-login::before {
    display: none;
}

.nv-login .form-login {
    display: block;
    width: 100%;
    height: auto;
    min-height: 2.85rem;
    padding: 0.7rem 0.95rem;
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.45;
    color: var(--nv-login-field-text);
    background-color: var(--nv-login-field-bg);
    background-clip: padding-box;
    border: 1px solid var(--nv-login-field-border);
    border-radius: var(--nv-radius-md);
    text-align: left;
    backdrop-filter: none;
    box-shadow: none;
    transform: none;
    transition:
        border-color var(--nv-transition-base),
        box-shadow var(--nv-transition-base),
        background-color var(--nv-transition-base);
}

.nv-login .form-login:hover {
    border-color: rgba(var(--nv-primary-rgb), 0.45);
    background-color: var(--nv-login-field-bg);
    transform: none;
}

.nv-login .form-login:focus {
    color: var(--nv-login-field-text);
    background-color: var(--nv-login-surface);
    border-color: var(--nv-primary);
    outline: 0;
    box-shadow: var(--nv-focus-ring);
    transform: none;
}

.nv-login.nv-login--dark .form-login:focus {
    background-color: rgba(255, 255, 255, 0.06);
}

.nv-login .form-login::placeholder {
    color: var(--nv-login-field-placeholder);
    opacity: 1;
}

.nv-login .form-login--with-toggle {
    padding-right: 2.75rem;
}

.nv-login-password-toggle {
    position: absolute;
    top: 50%;
    right: 0.35rem;
    transform: translateY(-50%);
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: var(--nv-radius-sm);
    background: transparent;
    color: var(--nv-login-ink-muted);
    cursor: pointer;
    transition: color var(--nv-transition-fast), background-color var(--nv-transition-fast);
}

.nv-login-password-toggle:hover,
.nv-login-password-toggle:focus-visible {
    color: var(--nv-primary);
    background: rgba(var(--nv-primary-rgb), 0.08);
    outline: none;
}

.nv-login-password-toggle:focus-visible {
    box-shadow: var(--nv-focus-ring);
}

.nv-login-password-toggle .mdi {
    font-size: 1.15rem;
    line-height: 1;
}

.nv-login-recaptcha {
    display: flex;
    justify-content: center;
    margin: 0.25rem 0 1rem;
}

.nv-login-recaptcha .g-recaptcha {
    transform-origin: center center;
}

.nv-login-help {
    margin: 0 0 1rem;
    font-size: 0.9rem;
    line-height: 1.45;
    color: var(--nv-login-subtitle);
    text-align: left;
}

.nv-login-help--center {
    text-align: center;
}

.nv-login-qr {
    display: block;
    max-width: 180px;
    width: 100%;
    height: auto;
    margin: 0.75rem auto 0;
    border-radius: var(--nv-radius-md);
    background: #fff;
    padding: 0.5rem;
}

.nv-login-actions {
    margin-top: 1.35rem;
}

.nv-login .btn-dangerlog,
.nv-login .btn.btn-dangerlog {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 2.95rem;
    padding: 0.8rem 1.25rem;
    border: none;
    border-radius: var(--nv-radius-md);
    color: #fff;
    background: linear-gradient(135deg, var(--nv-gradient-start) 0%, var(--nv-gradient-end) 100%);
    box-shadow: 0 10px 22px rgba(var(--nv-primary-rgb), 0.28);
    font-size: 0.975rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: none;
    position: relative;
    overflow: hidden;
    transition:
        transform var(--nv-transition-fast),
        box-shadow var(--nv-transition-base),
        filter var(--nv-transition-fast);
}

.nv-login .btn-dangerlog::before {
    display: none;
}

.nv-login .btn-dangerlog:hover:not(:disabled) {
    color: #fff;
    transform: translateY(-1px);
    filter: brightness(1.03);
    box-shadow: 0 14px 28px rgba(var(--nv-primary-rgb), 0.34);
    background: linear-gradient(135deg, var(--nv-gradient-start) 0%, var(--nv-gradient-end) 100%);
}

.nv-login .btn-dangerlog:active:not(:disabled) {
    transform: translateY(0);
}

.nv-login .btn-dangerlog:focus,
.nv-login .btn-dangerlog:focus-visible {
    outline: none;
    box-shadow: var(--nv-focus-ring), 0 10px 22px rgba(var(--nv-primary-rgb), 0.28);
}

.nv-login .btn-dangerlog:disabled {
    opacity: 0.75;
    cursor: wait;
    transform: none;
    filter: none;
}

.nv-login .login-button-spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.nv-login .login-button-spinner .spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

.nv-login-flood {
    margin: 0;
    padding: 1rem 0 0.25rem;
    text-align: center;
    color: var(--nv-danger);
    font-weight: 600;
}

/* -------------------------------------------------------------------------
   Legacy class bridges (keep old selectors working)
   ------------------------------------------------------------------------- */
.nv-login .card-login {
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
    overflow: visible;
    backdrop-filter: none;
}

.nv-login .card-login::before {
    display: none;
}

.nv-login .card-body {
    padding: 0;
}

/* -------------------------------------------------------------------------
   Footer in flow under the shell
   ------------------------------------------------------------------------- */
body.nv-login .footer {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    margin-top: 0.25rem;
    width: 100%;
    max-width: 100%;
    background-image: none;
    background-color: transparent;
    padding: 0.75rem 1rem 1.25rem;
    color: var(--nv-login-ink-muted);
    font-size: 0.8rem;
}

body.nv-login .footer .text-center {
    opacity: 0.9;
}

/* -------------------------------------------------------------------------
   Motion / a11y
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .nv-login .form-login,
    .nv-login .btn-dangerlog,
    .nv-login-password-toggle {
        transition: none;
    }

    .nv-login .btn-dangerlog:hover:not(:disabled) {
        transform: none;
    }
}

@media (max-width: 575.98px) {
    .nv-login-shell {
        padding-left: 0.85rem;
        padding-right: 0.85rem;
    }

    .nv-login-panel__card {
        padding: 1.35rem 1.1rem 1.2rem;
    }

    .nv-login-panel__title,
    .nv-login .auth-title {
        font-size: 1.3rem;
    }
}