html, body {
    height: 100%;
}

.panel-body {
    margin: 0;
    background: var(--panel-bg-body);
    color: var(--panel-text);
}

.panel-login {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.panel-neurons {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.panel-neurons canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.panel-inner {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px 10px;
}

.panel-body.panel-has-scroll .panel-inner {
    padding-top: 70px;
}

.panel-card {
    width: min(520px, 100%);
    border: 1px solid var(--panel-border);
    border-radius: var(--panel-radius-card);
    background: var(--panel-bg-card);
    backdrop-filter: blur(var(--panel-blur-card));
    -webkit-backdrop-filter: blur(var(--panel-blur-card));
    padding: 26px 22px;
    box-shadow: var(--panel-shadow-card);
    position: relative;
}

.panel-top {
    position: absolute;
    top: 18px;
    right: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
}

.panel-lang-fixed {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 100;
    background: var(--panel-bg-white);
    color: var(--panel-text-inverse);
    border: 1px solid var(--panel-border-strong);
}

.panel-lang-fixed:hover,
.panel-lang-fixed[aria-expanded="true"] {
    background: var(--panel-bg-white-soft);
}

.panel-top-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.panel-top-arrow svg {
    display: block;
}

@media (min-width: 1000px) {
    .panel-top {
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
}


.panel-top-link {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-family: pp-neue-machina-plain-regular, sans-serif;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-decoration: none;
    color: var(--panel-text-inverse);
    background: var(--panel-bg-white);
    border: 1px solid var(--panel-border-strong);
    border-radius: var(--panel-radius-btn);
    padding: 10px 12px;
    justify-content: center;

    position: relative;        
    z-index: 100;                
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.panel-top-link:hover,
.panel-top-link:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
    border-color: var(--panel-text-inverse);
    background: #fff;
    outline: none;
}

.panel-top-arrow { 
    margin-bottom: 0.5px;
    font-size: 14px;
    line-height: 1;
    opacity: 1;
}

.panel-brand-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.panel-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
    display: block;
}

.panel-brand {
    font-family: pp-neue-machina-plain-regular, sans-serif;
    font-weight: 700;
    letter-spacing: 0.18em;
    font-size: 10px;
    opacity: 0.9;
    margin-bottom: 0;
    max-width: 75%;
}

.panel-title {
    font-family: pp-neue-machina-plain-regular, sans-serif;
    font-weight: 700;
    font-size: 24px;
    margin: 0 0 18px 0;
    max-width: 75%;
}

.panel-form {
    display: grid;
    gap: 14px;
}

.panel-form .panel-btn {
    margin-bottom: 0;
}

.panel-btn p{
    margin: 0;
}

.panel-link-toggle {
    margin-top: 0;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--panel-text-muted);
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 12px;
    text-align: left;
    justify-self: start;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    opacity: 1;
    transition: opacity 0.25s ease, color 0.2s ease;
}

.panel-link-toggle:hover:not(:disabled),
.panel-link-toggle:focus-visible {
    color: var(--panel-text-primary);
    outline: none;
}

.panel-link-toggle.is-hiding {
    opacity: 0;
    pointer-events: none;
}

.panel-ref-field {
    margin-top: 2px;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

.panel-ref-field.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.panel-link-toggle-arrow {
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--panel-text-muted);
    border-bottom: 2px solid var(--panel-text-muted);
    transform: rotate(45deg);
    display: inline-block;
}

.panel-field {
    display: grid;
    gap: 8px;
}

.panel-label {
    font-family: pp-neue-machina-plain-regular, sans-serif;
    font-weight: 600;
    font-size: 12px;
    opacity: 0.9;
}

.panel-input {
    width: 100%;
    height: 46px;
    padding: 0 14px;
    border-radius: var(--panel-radius-input);
    border: 1px solid var(--panel-border);
    background: var(--panel-bg-input);
    color: var(--panel-text);
    outline: none;
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 14px;
}

.panel-input::placeholder {
    color: var(--panel-text-placeholder);
}

@keyframes panelSpin {
    to { transform: rotate(360deg); }
}

.panel-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    border-radius: var(--panel-radius-btn);
    border: 1px solid var(--panel-border-strong);
    background: var(--panel-bg-white);
    color: var(--panel-text-inverse);
    font-family: pp-neue-machina-plain-regular, sans-serif;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;  
    padding-right: 12px;
    padding-left: 12px;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.panel-btn:hover:not(:disabled),
.panel-btn:focus-visible:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
    filter: brightness(1.02);
    outline: none;
}

.panel-btn:disabled {
    cursor: not-allowed;
    opacity: 0.72;
}

a.panel-btn,
a.panel-btn:hover,
a.panel-btn:focus,
a.panel-btn:active {
    text-decoration: none;
}

.panel-btn__label {
    display: inline-flex;
}

.panel-btn__spinner {
    display: none;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(0, 0, 0, 0.22);
    border-top-color: #000;
    border-radius: 50%;
    animation: panelSpin 0.8s linear infinite;
}

.panel-forgot-link {
    margin-top: 2px;
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 12px;
    color: var(--panel-text-muted);
    text-decoration: none;
    justify-self: start;
    text-align: left;
    padding-left: 2px;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.panel-forgot-link:hover,
.panel-forgot-link:focus-visible {
    color: var(--panel-text-primary);
    opacity: 1;
    outline: none;
}

.panel-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    text-align: center;
}

.panel-divider::before,
.panel-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--panel-border-divider);
}

.panel-divider span {
    padding: 0 12px;
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 12px;
    color: var(--panel-text-secondary);
}

.panel-telegram-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    height: 46px;
    padding: 0 14px;
    border-radius: var(--panel-radius-btn);
    border: 1px solid var(--panel-border);
    background: var(--panel-bg-input);
    color: var(--panel-text);
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.panel-telegram-btn:hover,
.panel-telegram-btn:focus-visible {
    background: var(--panel-bg-input-hover);
    border-color: var(--panel-border-strong);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    outline: none;
}

.panel-telegram-btn:active {
    background: var(--panel-bg-input-active);
    transform: translateY(0);
}

.panel-telegram-btn-icon {
    flex-shrink: 0;
    font-size: 20px;
}

.panel-telegram-btn-label {
    flex: 1;
    text-align: center;
}

/* Google button: same style as Telegram (1:1) */
.panel-google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    height: 46px;
    padding: 0 14px;
    border-radius: var(--panel-radius-btn);
    border: 1px solid var(--panel-border);
    background: var(--panel-bg-input);
    color: var(--panel-text);
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.panel-google-btn:hover,
.panel-google-btn:focus-visible {
    background: var(--panel-bg-input-hover);
    border-color: var(--panel-border-strong);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    outline: none;
}

.panel-google-btn:active {
    background: var(--panel-bg-input-active);
    transform: translateY(0);
}

.panel-google-btn-icon {
    flex-shrink: 0;
    font-size: 20px;
}

.panel-google-btn-label {
    flex: 1;
    text-align: center;
}

.panel-status-log { 
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: var(--panel-radius-btn);
    border: 1px solid var(--panel-border-muted);
    background: var(--panel-bg-overlay);
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 13px;
    color: var(--panel-message-text);
    transition: opacity 0.18s ease, transform 0.18s ease;
    opacity: 1;
    transform: translateY(0);  
}

.panel-status-log-ok {
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: var(--panel-radius-btn);
    border: 1px solid var(--panel-border-muted);
    background: var(--panel-bg-overlay);
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 13px;
    color: var(--panel-message-text);
    transition: opacity 0.18s ease, transform 0.18s ease;
    opacity: 1;
    transform: translateY(0);
}

.panel-non-height-impact[hidden] {
    display: none !important;
    visibility: hidden !important;
}

.panel-unified-error[hidden] {
    display: none !important;
    visibility: hidden !important;
}

.panel-status-stack {
    width: 100%;
    transition: min-height 0.2s ease;
}

/* Empty stacks use inline style="display:none" until panel-status-container.js syncs. */

html:not(.panel-shell-ready) .panel-fixed-btns {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

html:not(.panel-shell-ready) .panel-body .panel-form button.panel-btn,
html:not(.panel-shell-ready) .panel-body .panel-form .panel-telegram-btn,
html:not(.panel-shell-ready) .panel-body .panel-form .panel-google-btn,
html:not(.panel-shell-ready) .panel-body .panel-form .contact-toggle-btn,
html:not(.panel-shell-ready) .panel-body .panel-message-actions .panel-btn {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

html.panel-shell-ready .panel-fixed-btns,
html.panel-shell-ready .panel-body .panel-form button.panel-btn,
html.panel-shell-ready .panel-body .panel-form .panel-telegram-btn,
html.panel-shell-ready .panel-body .panel-form .panel-google-btn,
html.panel-shell-ready .panel-body .panel-form .contact-toggle-btn,
html.panel-shell-ready .panel-body .panel-message-actions .panel-btn {
    transition: opacity 0.18s ease, visibility 0.18s ease, transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, filter 0.2s ease;
}

.panel-unified-error { 
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: var(--panel-radius-btn);
    border: 1px solid var(--panel-border-muted);
    background: var(--panel-bg-overlay);
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 13px;
    color: var(--panel-message-text);
    transition: opacity 0.18s ease, transform 0.18s ease;
    opacity: 0;
    transform: translateY(-4px);
}

.panel-unified-error.panel-unified-error-visible {
    opacity: 1;
    transform: translateY(0);
}

.panel-unified-error-param {
    margin-left: 0.25em;
}

.panel-message-text {
    margin: 0 0 20px 0;
    font-family: neue-haas-grot-text-roman, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--panel-text-primary);
    transition: opacity 0.16s ease;
}

.panel-message-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    padding: 20px 0;
}

.panel-message-actions .panel-btn {
    min-width: 120px;
    padding-left: 20px;
    padding-right: 20px;
}

.panel-btn--block {
    display: flex;
    width: 100%;
    justify-content: center;
}

.panel-btn--outline {
    background: transparent;
    border-color: var(--panel-bg-white);
    color: var(--panel-bg-white);
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.panel-btn--outline:hover:not(:disabled),
.panel-btn--outline:focus-visible:not(:disabled) {
    background: var(--panel-bg-white);
    border-color: var(--panel-bg-white);
    color: var(--panel-text-inverse);
    filter: none;
    outline: none;
}

/* Banned page logout only: keep outline on dark card (avoid filled white / wrong link colors). */
.panel-card .panel-btn.panel-baned-logout.panel-btn--outline {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.88);
    color: #fff;
}

.panel-card .panel-btn.panel-baned-logout.panel-btn--outline:hover:not(:disabled),
.panel-card .panel-btn.panel-baned-logout.panel-btn--outline:focus-visible:not(:disabled) {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
    filter: none;
}

/* Ghost button: minimal transparent with white border */
.panel-btn--ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.9);
    color: #fff;
}

.panel-btn--ghost:hover:not(:disabled),
.panel-btn--ghost:focus-visible:not(:disabled) {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
    filter: none;
    outline: none;
}

.panel-btn--ghost:active:not(:disabled) {
    background: rgba(255, 255, 255, 0.18);
    border-color: #fff;
    color: #fff;
}

/* Global HTTP error page (Home/HttpError): status digit */
.panel-http-error-code {
    margin: 0 0 8px 0;
    font-family: pp-neue-machina-plain-regular, sans-serif;
    font-size: clamp(56px, 14vw, 96px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    color:  #a66df0;
    text-align: center;
}

.panel-message-actions--error-home {
    flex-direction: column;
    align-items: stretch;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
}

.panel-message-actions--error-home .panel-btn {
    width: 100%;
    justify-content: center;
}