.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.material-symbols-outlined.filled {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.bg-gradient-brand {
    background: var(--io-brand-gradient);
}

.glass-panel {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid color-mix(in srgb, var(--io-outline-variant) 30%, transparent);
}

.auth-bg-blob {
    position: fixed;
    border-radius: 9999px;
    pointer-events: none;
    z-index: -10;
}

.auth-bg-blob--top {
    top: -20%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background-color: var(--io-tertiary-fixed);
    opacity: 0.35;
    filter: blur(100px);
}

.auth-bg-blob--bottom {
    bottom: -20%;
    left: -10%;
    width: 40vw;
    height: 40vw;
    background-color: var(--io-primary-fixed);
    opacity: 0.45;
    filter: blur(120px);
}

.auth-brand-dots {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    opacity: 0.2;
    pointer-events: none;
    background-image: radial-gradient(circle at 50% 50%, #ffffff 2px, transparent 2px);
    background-size: 40px 40px;
}

.auth-input-icon {
    position: absolute;
    inset-block: 0;
    left: 0;
    padding-left: 8px;
    display: flex;
    align-items: center;
    pointer-events: none;
}

input.auth-input,
input.auth-input[type="email"],
input.auth-input[type="password"],
input.auth-input[type="text"] {
    width: 100%;
    height: 40px;
    padding: 8px 16px 8px 2.75rem;
    background-color: var(--io-surface-container-lowest);
    border: 1px solid var(--io-outline-variant);
    border-radius: 0.5rem;
    font-size: 14px;
    line-height: 20px;
    color: var(--io-on-surface);
    transition: all 0.2s ease;
}

.auth-input:focus {
    outline: none;
    border-color: var(--io-primary-container);
    box-shadow: var(--io-focus-ring);
}

.auth-input--password {
    padding-right: 40px;
}

.auth-input--plain {
    padding-left: 16px;
}

.auth-input--password-plain {
    padding-right: 40px;
}

.auth-tab {
    color: var(--io-on-surface-variant);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-tab:hover {
    color: var(--io-on-surface);
    background: rgba(255, 255, 255, 0.5);
}

.auth-tab--active {
    background-color: var(--io-surface-container-lowest);
    color: var(--io-primary);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
    border: 1px solid var(--io-outline-variant);
}

.auth-btn-register {
    width: 100%;
    height: 48px;
    border-radius: 0.5rem;
    background: var(--io-brand-gradient-horizontal);
    color: var(--io-on-primary);
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    box-shadow: var(--io-shadow-soft);
    transition: all 0.2s ease;
}

.auth-btn-register:hover {
    opacity: 0.92;
}

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

.auth-btn-primary {
    width: 100%;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 8px 16px;
    background: var(--io-brand-gradient);
    color: var(--io-on-primary);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.05em;
    border: none;
    border-radius: 0.5rem;
    box-shadow: var(--io-shadow-soft);
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-btn-primary:hover {
    box-shadow: var(--io-shadow-deep);
}

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

.auth-btn-secondary {
    width: 100%;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: var(--io-surface-container-lowest);
    border: 1px solid var(--io-outline-variant);
    color: var(--io-on-surface);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-btn-secondary:hover {
    background-color: var(--io-surface-container-low);
}

.auth-btn-secondary:focus {
    outline: none;
    box-shadow: var(--io-focus-ring);
}

.auth-btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-validation-summary {
    background-color: var(--io-error-container);
    border: 1px solid var(--io-error);
    color: var(--io-on-error-container);
    border-radius: 0.5rem;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 16px;
}

.auth-validation-summary ul {
    margin: 0;
    padding-left: 16px;
}

.field-validation-error {
    display: block;
    color: var(--io-error);
    font-size: 12px;
    margin-top: 4px;
}

.input-validation-error {
    border-color: var(--io-error) !important;
}

.auth-alert {
    border-radius: 0.5rem;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 16px;
}

.auth-alert--error {
    background-color: var(--io-error-container);
    border: 1px solid var(--io-error);
    color: var(--io-on-error-container);
}

.auth-alert--success {
    background-color: var(--io-alert-success-bg);
    border: 1px solid var(--io-alert-success-border);
    color: var(--io-alert-success-text);
}

.auth-alert--info {
    background-color: var(--io-primary-fixed);
    border: 1px solid var(--io-primary-container);
    color: var(--io-on-primary-fixed);
}