body.ns-landing-page {
    background:
        radial-gradient(circle at 12% -10%, rgba(245, 158, 11, 0.14), transparent 40%),
        radial-gradient(circle at 88% 8%, rgba(245, 158, 11, 0.1), transparent 36%),
        #0d0d0d;
}

body.ns-landing-page .landing-header .landing-btn-primary {
    background: #f59e0b;
    border-color: #f59e0b;
    color: #0d0d0d;
    border-radius: 8px;
    min-height: 44px;
}

body.ns-landing-page .landing-header .landing-btn-primary:hover {
    background: #d97706;
    border-color: #d97706;
    color: #0d0d0d;
}

body.ns-landing-page .landing-header .landing-btn-secondary {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.45);
    color: #f59e0b;
    border-radius: 8px;
    min-height: 44px;
}

body.ns-landing-page .landing-header .landing-btn-secondary:hover {
    background: rgba(245, 158, 11, 0.16);
    border-color: rgba(245, 158, 11, 0.75);
    color: #f59e0b;
}

.auth-page {
    --auth-bg-primary: #0d0d0d;
    --auth-bg-secondary: #1a1a1a;
    --auth-bg-tertiary: #262626;
    --auth-accent: #f59e0b;
    --auth-accent-hover: #d97706;
    --auth-text-primary: #ffffff;
    --auth-text-secondary: #a3a3a3;
    --auth-text-muted: #737373;
    --auth-border: #333333;
    --auth-error: #ef4444;
    --auth-focus-ring: 0 0 0 3px rgba(245, 158, 11, 0.15);

    color: var(--auth-text-primary);
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    padding-top: clamp(1.5rem, 3.5vw, 2.75rem);
}

.auth-page,
.auth-page * {
    box-sizing: border-box;
}

.auth-page a {
    color: var(--auth-accent);
}

.auth-page a:hover {
    color: var(--auth-accent-hover);
}

.auth-shell {
    width: min(100%, 1080px);
    margin-inline: auto;
}

.auth-shell-single {
    display: flex;
    justify-content: center;
}

.auth-card {
    width: min(100%, 520px);
    background: linear-gradient(180deg, #1a1a1a 0%, #131313 100%);
    border: 1px solid var(--auth-bg-tertiary);
    border-radius: 8px;
    padding: clamp(1rem, 3vw, 1.8rem);
    box-shadow: 0 20px 38px rgba(0, 0, 0, 0.45);
}

.auth-card-glow {
    box-shadow:
        0 20px 38px rgba(0, 0, 0, 0.45),
        0 0 0 1px rgba(245, 158, 11, 0.2),
        0 0 28px rgba(245, 158, 11, 0.16);
}

.auth-card-head {
    text-align: center;
    margin-bottom: 1rem;
}

.auth-logo {
    width: 58px;
    height: 58px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(245, 158, 11, 0.25);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.35);
}

.auth-title {
    margin: 0.95rem 0 0.35rem;
    font-size: clamp(1.35rem, 5vw, 1.75rem);
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--auth-text-primary);
}

.auth-subtitle {
    margin: 0;
    color: var(--auth-text-secondary);
    font-size: 0.9rem;
}

.auth-form {
    display: grid;
    gap: 1rem;
}

.auth-field {
    display: grid;
    gap: 0.5rem;
}

.auth-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--auth-text-primary);
    letter-spacing: 0.01em;
}

.auth-input,
.auth-page .form-control,
.auth-page .form-select {
    width: 100%;
    min-height: 44px;
    border-radius: 8px;
    border: 1px solid var(--auth-border) !important;
    background: var(--auth-bg-secondary) !important;
    color: var(--auth-text-primary) !important;
    padding: 0.68rem 0.85rem;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.auth-page .form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23a3a3a3' d='M3.204 5.146a.5.5 0 0 1 .707.058L8 10.293l4.089-5.089a.5.5 0 0 1 .765.644l-4.5 5.6a.5.5 0 0 1-.78 0l-4.5-5.6a.5.5 0 0 1 .13-.702z'/%3E%3C/svg%3E");
}

.auth-input::placeholder,
.auth-page .form-control::placeholder {
    color: var(--auth-text-muted);
}

.auth-input:focus,
.auth-page .form-control:focus,
.auth-page .form-select:focus {
    outline: none;
    border-color: var(--auth-accent) !important;
    box-shadow: var(--auth-focus-ring) !important;
    background: var(--auth-bg-secondary) !important;
}

.auth-input.is-invalid,
.auth-page .form-control.is-invalid,
.auth-page .form-select.is-invalid {
    border-color: var(--auth-error) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.14);
}

.auth-password-wrap {
    position: relative;
}

.auth-password-wrap .auth-input {
    padding-right: 2.75rem;
}

.auth-password-toggle {
    position: absolute;
    top: 50%;
    right: 0.45rem;
    transform: translateY(-50%);
    width: 40px;
    min-height: 40px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    color: var(--auth-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.auth-password-toggle:hover {
    border-color: rgba(245, 158, 11, 0.35);
    color: var(--auth-text-primary);
    background: rgba(245, 158, 11, 0.08);
}

.auth-hint,
.auth-next-step,
.auth-page .form-text {
    margin: 0;
    color: var(--auth-text-secondary);
    font-size: 0.8rem;
    line-height: 1.45;
}

.auth-error,
.auth-page .invalid-feedback,
.auth-page .phone-error.show {
    font-size: 0.8rem;
    color: var(--auth-error) !important;
    background: rgba(127, 29, 29, 0.28);
    border: 1px solid rgba(239, 68, 68, 0.42);
    border-radius: 8px;
    padding: 0.5rem 0.625rem;
    margin-top: 0.35rem;
}

.auth-page .invalid-feedback strong {
    color: inherit;
}

.auth-page .phone-error {
    display: none;
    font-size: 0.8rem;
    color: var(--auth-error);
}

.auth-row-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.auth-remember {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--auth-text-secondary);
    font-size: 0.88rem;
}

.auth-remember input[type='checkbox'] {
    width: 17px;
    height: 17px;
    accent-color: var(--auth-accent);
}

.auth-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--auth-accent);
    text-decoration: none;
}

.auth-link:hover {
    color: var(--auth-accent-hover);
    text-decoration: underline;
}

.auth-page button,
.auth-page .btn,
.auth-submit,
.auth-page input[type='submit'] {
    border-radius: 8px;
    font-family: inherit;
}

.auth-submit,
.auth-page .btn-primary,
.auth-page .btn.btn-primary,
.auth-page .register-submit-btn,
.auth-page button[type='submit'] {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--auth-accent) !important;
    background: var(--auth-accent) !important;
    color: #0d0d0d !important;
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.auth-submit:hover,
.auth-page .btn-primary:hover,
.auth-page .btn.btn-primary:hover,
.auth-page .register-submit-btn:hover,
.auth-page button[type='submit']:hover {
    background: var(--auth-accent-hover) !important;
    border-color: var(--auth-accent-hover) !important;
    color: #0d0d0d !important;
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(245, 158, 11, 0.26);
}

.auth-submit:focus-visible,
.auth-page .btn-primary:focus-visible,
.auth-page .btn.btn-primary:focus-visible,
.auth-page .register-submit-btn:focus-visible,
.auth-page button[type='submit']:focus-visible {
    outline: none;
    box-shadow: var(--auth-focus-ring) !important;
}

.auth-submit:disabled,
.auth-page .btn-primary:disabled,
.auth-page .btn.btn-primary:disabled,
.auth-page .register-submit-btn:disabled,
.auth-page button[type='submit']:disabled {
    opacity: 0.75;
    cursor: not-allowed;
}

.auth-divider {
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--auth-text-muted);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    height: 1px;
    flex: 1;
    background: rgba(255, 255, 255, 0.12);
}

.auth-social-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.75rem;
}

.auth-social-btn,
.auth-social-icons a {
    min-height: 44px;
    border-radius: 8px;
    border: 1px solid var(--auth-border);
    background: var(--auth-bg-secondary);
    color: var(--auth-text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    text-decoration: none;
    transition: border-color 0.2s ease, transform 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.auth-social-btn:hover,
.auth-social-icons a:hover {
    transform: translateY(-1px);
    border-color: rgba(245, 158, 11, 0.75);
    background: rgba(245, 158, 11, 0.12);
    color: var(--auth-text-primary);
    box-shadow: 0 8px 18px rgba(245, 158, 11, 0.18);
}

.auth-switch-link {
    margin: 1rem 0 0;
    text-align: center;
    color: var(--auth-text-secondary);
    font-size: 0.89rem;
}

.auth-recaptcha-wrap {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
    margin: 0;
    border-radius: 8px;
    border: 1px solid var(--auth-border);
    background: var(--auth-bg-secondary);
    padding: 0.5rem;
}

.auth-recaptcha-wrap > div {
    max-width: 100%;
}

.auth-recaptcha-wrap iframe {
    border-radius: 8px;
    opacity: 0.95;
}

.auth-recaptcha-wrap .rc-anchor-dark {
    border: 1px solid var(--auth-border) !important;
}

.auth-page .alert-danger,
.auth-page .alert-error {
    background: rgba(127, 29, 29, 0.25);
    border: 1px solid rgba(239, 68, 68, 0.42);
    border-radius: 8px;
    color: #fecaca;
}

@media (max-width: 768px) {
    .landing-header .landing-shell {
        justify-content: space-between;
    }

    .auth-card {
        padding: 1rem;
    }

    .auth-form,
    .auth-field {
        gap: 1rem;
    }

    .auth-input,
    .auth-page .form-control,
    .auth-page .form-select,
    .auth-submit,
    .auth-page .btn,
    .auth-social-btn,
    .auth-social-icons a,
    .auth-password-toggle,
    .auth-page .toggle-button {
        min-height: 44px;
    }

    .auth-social-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .auth-page .g-recaptcha {
        transform: scale(0.9);
        transform-origin: left top;
    }
}

@media (max-width: 480px) {
    .auth-title {
        font-size: 1.35rem;
    }

    .auth-page .g-recaptcha {
        transform: scale(0.84);
    }
}