:root {
    --auth-card-bg: rgba(255, 255, 255, 0.85);
    --auth-input-bg: rgba(255, 255, 255, 0.9);
    --auth-input-border: var(--color-border);
    --auth-input-focus: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
    :root {
        --auth-card-bg: rgba(0, 0, 0, 0.45);
        --auth-input-bg: rgba(255, 255, 255, 0.05);
        --auth-input-focus: var(--color-primary);
    }
}

.auth-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

.auth-flex {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.auth-title {
    font-size: 28px;
    font-weight: 600;
    margin: 0 0 20px 0;
    color: var(--color-text);
    text-align: center;
    letter-spacing: -0.5px;
}

.auth-form {
    background: var(--auth-card-bg);
    backdrop-filter: blur(10px) saturate(110%);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 35px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.input-field {
    position: relative;
    margin-bottom: 25px;
}

.my-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid var(--auth-input-border);
    border-radius: 8px;
    background: var(--auth-input-bg);
    color: var(--color-text);
    outline: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    font-family: inherit;
}

.my-input:focus {
    border-color: var(--auth-input-focus);
    background: var(--color-bg);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-primary) 20%, transparent);
}

.my-input:focus + label,
.my-input:not(:placeholder-shown) + label {
    transform: translateY(-28px) scale(0.9);
    background: var(--color-bg);
    padding: 0 8px;
    color: var(--color-primary);
    font-weight: 500;
}

.input-field label {
    position: absolute;
    left: 16px;
    top: 14px;
    color: color-mix(in oklab, var(--color-text) 70%, transparent);
    font-size: 16px;
    pointer-events: none;
    transition: all 0.3s ease;
    background: transparent;
    border-radius: 4px;
}

.form-errors {
    list-style: none;
    padding: 0;
    margin: 8px 0 0 0;
}

.form-errors li {
    color: #dc2626;
    font-size: 14px;
    padding: 6px 12px;
    background: color-mix(in oklab, #dc2626 10%, transparent);
    border-radius: 6px;
    margin-top: 6px;
    border-left: 3px solid #dc2626;
}

@media (prefers-color-scheme: dark) {
    .form-errors li {
        color: #fca5a5;
        background: color-mix(in oklab, #dc2626 20%, transparent);
        border-left-color: #ef4444;
    }
}

.auth-submit {
    width: 100%;
    padding: 14px 20px;
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 139, 61, 0.3);
    margin-top: 10px;
}

.auth-submit:hover {
    background-color: #e67633;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 139, 61, 0.4);
}

.auth-submit:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(255, 139, 61, 0.3);
}

.register {
    margin-top: 20px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.register p {
    margin: 0;
    color: var(--color-text);
    font-size: 14px;
}

.register a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    position: relative;
}

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

.register a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.register a:hover::after {
    width: 100%;
}

@media (max-width: 480px) {
    .auth-form {
        padding: 25px 20px;
    }

    .auth-title {
        font-size: 24px;
    }

    .my-input {
        padding: 12px 14px;
        font-size: 15px;
    }

    .input-field label {
        font-size: 15px;
        top: 12px;
    }

    .auth-submit {
        padding: 12px 18px;
        font-size: 15px;
    }
}

@media (min-width: 768px) {
    .auth-form:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
    }
}

@keyframes auth-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-form {
    animation: auth-fade-in 0.4s ease-out;
}