.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: clamp(36px, 8vh, 70px) 0 clamp(40px, 8vh, 80px);
}

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 26px;
    padding: 32px 30px 30px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.04);
}

.auth-tabs {
    display: flex;
    gap: 4px;
    background: rgba(0, 0, 0, 0.04);
    padding: 4px;
    border-radius: 14px;
    margin-bottom: 26px;
}

.auth-tab {
    flex: 1;
    height: 38px;
    border: none;
    background: transparent;
    border-radius: 10px;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.is-active {
    background: #ffffff;
    color: #000000;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.auth-panel {
    display: none;
}

.auth-panel.is-active {
    display: block;
    animation: authFade 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes authFade {
    0% {
        opacity: 0;
        transform: translateY(6px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    margin-bottom: 22px;
}

.auth-title {
    font-family: 'Comfortaa', sans-serif;
    font-weight: 700;
    font-size: 26px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.45;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.auth-field-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.auth-forgot {
    font-size: 12px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.auth-forgot:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.auth-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    background: #ffffff;
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-input::placeholder {
    color: #a0a0a5;
}

.auth-input:focus {
    outline: none;
    border-color: #111111;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}

.auth-input-wrap .auth-input {
    padding-right: 42px;
}

.auth-toggle-pass {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    border: none;
    background: transparent;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease;
}

.auth-toggle-pass:hover {
    color: var(--text-primary);
}

.auth-toggle-pass svg {
    width: 18px;
    height: 18px;
}

.auth-options {
    display: flex;
    align-items: center;
    margin-top: -2px;
}

.auth-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    cursor: pointer;
    user-select: none;
}

.auth-checkbox input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
    opacity: 0;
    pointer-events: none;
}

.auth-checkbox-mark {
    position: relative;
    width: 18px;
    height: 18px;
    border-radius: 6px;
    border: 1.5px solid rgba(0, 0, 0, 0.22);
    background-color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-checkbox-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    transform: translate(-50%, -50%) scale(0);
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 8.5L6.5 12L13 4.5' stroke='%23ffffff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    opacity: 0;
    transition: transform 0.14s ease-out, opacity 0.12s ease;
}

.auth-checkbox:hover .auth-checkbox-mark {
    border-color: rgba(0, 0, 0, 0.45);
}

.auth-checkbox input:focus-visible + .auth-checkbox-mark {
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.auth-checkbox input:checked + .auth-checkbox-mark {
    background-color: var(--text-primary);
    border-color: var(--text-primary);
}

.auth-checkbox input:checked + .auth-checkbox-mark::after {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.auth-checkbox-text {
    font-size: 13px;
    line-height: 18px;
    color: #444444;
}

.auth-submit {
    width: 100%;
    height: 46px;
    border-radius: 12px;
    border: none;
    background: var(--text-primary);
    color: #ffffff;
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 4px;
    transition: background-color 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
}

.auth-submit:hover {
    background: #2a2a2a;
}

.auth-submit:active {
    transform: scale(0.98);
}

.auth-notice {
    display: none;
    padding: 10px 14px;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
    font-size: 13px;
    color: var(--text-primary);
    text-align: center;
    animation: noticeFade 0.2s ease-out;
}

.auth-notice.is-visible {
    display: block;
}

@keyframes noticeFade {
    0% {
        opacity: 0;
        transform: translateY(-4px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-switch {
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 4px;
}

.auth-switch-btn {
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: 'Roboto', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    transition: opacity 0.15s ease;
}

.auth-switch-btn:hover {
    opacity: 0.75;
}

.header__account.header__account--active {
    background-color: rgba(0, 0, 0, 0.06);
}

.welcome-screen {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: #ffffff;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

body.is-welcoming .welcome-screen {
    display: flex;
}

.welcome-screen__title {
    font-family: 'Comfortaa', sans-serif;
    font-weight: 700;
    font-size: clamp(48px, 9vw, 84px);
    color: #2563eb;
    letter-spacing: -1px;
    margin: 0;
    text-align: center;
    user-select: none;
    animation: welcomeTextPop 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes welcomeTextPop {
    0% {
        opacity: 0;
        transform: scale(0.82) translateY(10px);
        filter: blur(4px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0);
    }
}

body.is-welcoming .header,
body.is-welcoming .auth-main,
body.is-welcoming .footer {
    opacity: 0;
    transform: scale(0.96);
    filter: blur(6px);
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), filter 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}